Parabolic Dish Collector Ppt





This collector requires two-axis tracking. The thermal performance of a low cost solar parabolic dish collector for process heat M Eswaramoorthy, S Shanmugam Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 34 … , 2012. design of 1m reflector area concentrating trough. Levelized Cost of Electricity 3. Easiest way to make a parabolic solar collector is bamboo basket. The concept : “Linear concentration of solar energy by multiple flat or slightly curved surfaces” Basic components: The Linear Fresnel concentrating solar mechanism is composed of the parallel reflective surfaces (usually flat mirrors), the metal structure, thetracking mechanism, the secondary receiver (optionally). solar collector คือ เทคโนโลยีการผลิตน้ำร้อนด้วยพลังงานแสงอาทิตย์ การผลิตน้ำร้อนด้วยพลังงานแสงอาทิตย์ที่ใช้กันโดยทั่วไปในปัจจุบันมีการผล. Fluid in the receiver is heated to high temperatures, around 750oC. Distromotor is able to help each IT person, because it has the capability. 1 inch (additional scatter"3) adds background heat * focal length: 7 inches from outer rim - 7. 5 meter dish (2011), increased efficiency with the 7. 070 inch under a combined self. A New Generation of Parabolic Trough Technology. The Klover MiK modular design makes it easy to transport and assemble. 11 antennas, biquad antenna, cantenna, USB dongle, Omni directional Antenna, Dish antenna, Cylindrical parabolic reflector with omnidirectional antenna. Results clearly indicate that at same ambient, inlet temperatures, flow rate, concentration ratio etc. Parabolic mirrors are the practical application of the mathematical concept of a parabola to construct a reflective surface. On this test, the flat plate collector was fixed in place, and the parabolic collector tracked the sun all day. Rim angle is an important parameter to determine the imaging and non-imaging diameter of the flux radiation. •The next step is to build and test the concentrating. Proposal for Improvement of Solar Thermal Collectors [Name [Date Fresnel lenses are the classical lighthouse light design. Lot 34 C-I #10 Skiller. High Performance parabolic antennas support applications where frequency congestion and coordination are demanded requiring more stringent radiation side lobe and front to back suppression characteristics. Tools & Machinery. In addition to the 9-inch dish, they have a 16-inch collector, which can record audio from 200 feet away, as well as a 26-inch collector, which can record audio from 500 feet away. Other Gen Merch & Mixed Lots. Each precision polished reflector is made from 0. UNESCO - EOLSS SAMPLE CHAPTERS SOLAR ENERGY CONVERSION AND PHOTOENERGY SYSTEMS - Vol. This video shows the solar steam turbine with parabolic solar dish collector. The parabolic reflector transforms an incoming plane wave traveling along the axis into a spherical wave. 3 BATH BODY WORKS AROMATHERAPY SLEEP LAVENDER VANILLA PILLOW MIST SPRAY LOT NEW. The Beacon Solar Energy Project is a 250 MW parabolic trough CSP power plant. Control cabinet, 3. The smaller dish antennas typically operate somewhere between 2 and 28 GHz. In the receiver tube, a high-temperature heat transfer fluid (such as a synthetic oil) absorbs the sun’s energy, reaching temperatures of 750°F or even higher, and passes through a heat exchanger to heat water and produce steam. Key words: concentrating solar power, concentrating photovoltaics, dish,. The tracking range of this dish is 300˚ which makes it great for higher latitudes, it also has a tilt back feature for low latitude operation where the sun seasonally goes from the northern. There are various types of thermal collectors, such as solar parabolic, solar trough and solar towers. Rioglass entered the parabolic trough CSP market with a revolutionary product: tempered parabolic mirrors. Parabolic dish (PD) and parabolic trough (PT) solar collectors are used to harness solar energy using four different solar absorption fluids. Key words: Parabolic dish collector, surface absorption, dish receiver. Simple Solar - Parts 1, 2, and 3 I presented a workshop on Simple Solar at the Boston Skill Share on a windy Sunday, April 19, outside the Stata Center at MIT. A procedure and a graphical method for the design of dish/cavity systems are proposed. 2 Coefficients for use in Equation (C. Sunlight passes through the glazing and strikes the absorber plate, which heats up,. Parabolic trough solar collectors are used by Wrede Ky (Finland) and Vanek (USA). Ramakrishnan College of Engineering, Trichy, Tamil Nadu, India ABSTRACT The present work is mainly focusing on direct steam generation with parabolic dish collector. Prepared under Task No. They focus the light onto a specially coated absorber tube that runs along a caustic line. However, the antenna is also useful in wireless applications at frequencies of 1 GHz and above. Solar thermal collectors are either non-concentrating or concentrating. Parabolic dish collector December 14, 2009 Leave a comment Go to comments Using parabolic dishes is a well-tested approach to concentrate solar radiation, and was an early experimental tool at many locations worldwide. The state-of-the-art of parabolic dish solar concentrators is the faceted, glass-metal dish. Presto HeatDish Plus Parabolic Heater 120v AC, 1000. About Sound Shark Audio. Lot 69 (2) Playskool Block. The beam radiation is concentrated on the receiver (absorber) which heats the air that return from the thermal storage. main load for a solar collector is that coming from the wind action on the structure and it is applied as a pressure distributed on the collector surfaces. The other side would be decorated as usual. The dish is built from the skeleton of an umbrella-style photographer’s flash reflector; he chose this over a discount-store rain umbrella because the reflector has an actual parabolic shape. Parabolic dish is widely used as satellite TV channel receiver across the world. These plants use a large field of parabolic trough collectors which track the sun during the day and concentrate the solar radiation on a receiver tube located at the focus of. Sun tracking system proposed in this paper is such a device for efficiency improvement. On the average sunny and cloud free days, the test results gave high. Tools & Machinery. Al Rished, M. A solar collector is a device that collects and/or concentrates solar radiation from the Sun. 1) 247 Table C. Design and Fabrication of Parabolic Solar Collector Mechanical and Automobile IEEE Project Topics, Thermal Engineering Base Paper Ideas, Synopsis, Abstract, Report, Figures, Full PDF, Working details for Mechanical Engineering ME, Diploma, BTech, BE, MTech and MSc College Students. 448; 3,23 MB Bundesarchiv Bild 102-12453, Nauen, Richtungsweiser für Funkwellen. tfx Design, ED Mode ©Thermoflow Inc. This paper presents a mathematical model that allows representing the optical behavior of a solar parabolic dish concentrator and the thermal performance of a cavity receiver. Do you want to make a working model of parabolic solar collectors or parabolic solar concentrator or parabolic solar reflector with a d2h Parabolic dish and solar. An exergy and energy analysis on a solar parabolic dish collector (PDC) is carried out. The report segments global Concentrating Solar Power Market based on component as Power Block, Solar Field and Thermal Energy Storage System. Best for fast Parabolic dish collector, one or more parabolic dishes concentrate solar energy at a single focal point. Swedish company Ripasso Energy has created a new, state-of-the-art solar energy dish, which it believes is the most efficient in the world. RES-Parabolic Dish Collector I. In the 18th century first technical prototypes of parabolic dish concentrators were used to generate steam driving steam engines. The gain is quoted in this manner is denoted as dBi. Applications include solar energy collectors (solar furnaces), directional microphones, and detector systems. The term "solar collector" commonly refers to a device for solar hot water heating, but may refer to large power generating installations such as solar parabolic troughs and solar towers or non water heating devices such as solar air heaters. 0 out of 5 stars 1. Parabolic Dish Collector 16. Thus, we will start with a quick overview of telescope designs. In this study, a conventional steam power plant with two regenerative boilers is considered, and one of its boilers is replaced with parabolic solar dish collectors and storing the produced thermal energy by the phase change material (PCM) in a storage tank. Noam Lior Thermal Theory and Modeling of Solar Collectors. Brief Introduction Parabolic trough receiver is also known as Heat Collecting Element (HCE). In Conference on Lasers and Electro-Optics Europe - Technical Digest. Next, use a ruler to draw a straight line from the top left square to the right of the bottom left square. Using the sun energy to heat water is not a new idea. Finally the organization of the overall book is outlined. Parabolic trough power plants use parabolic trough collectors to concentrate the direct solar radiation onto a tubular receiver. 3 Coefficients for use in Equation (C. Fuels Used to Generate Electricity #2 Natural gas is used to generate 20% of the electricity in the U. The parabolic dish collector used in this study consists of a parabolic dish collector and a modified cavity receiver operating in tracking mode. These collectors are generally mounted on the roof and must be very sturdy as they are exposed to a variety of different weather conditions. 13" dia & Mounting Rim. Collectors generally consist of concentrating parabolic mirrors, an absorber tube and a supporting structure, which is often equipped with a solar tacking mechanism. The parabolic reflector or dish antenna is the form of antenna which finds many uses in domestic satellite television reception, terrestrial microwave data links, general satellite communications and many more. The Klover MiK modular design makes it easy to transport and assemble. •The next step is to build and test the concentrating. Solar Thermal Energy. To develop the mathematical model, we propose the integration of the geometric model, which corresponds to the intercept of a circular area with a virtual parabola, as shown in Figure 2. Parabolic dish antennas can provide extremely high gains at microwave frequencies. The aim of this paper is to investigate the multifactors effect on the system’s efficiency in cold climate region. Parabolic Trough. Solar radiation, solar collector and thermal storage topics are the subtasks, and following progresses have been. News 03-03-2020: Patent application for the invention "Hybrid-Prism as an element for optical systems" 02-10-2020: Patent decision for the invention "Airplane with a foldable airframe". Several parallel rows of collectors, 20 - 400m in length, are made of parabolic reflectors. Best Answer: The ideal shape for a solar collector is a parabolic dish. There are three main types of concentrating solar power systems: power tower, parabolic-trough, and dish/engine. Optical and thermal enhancements methods are investigated for the following collector types: compound parabolic concentrator, parabolic trough collector, linear Fresnel reflector and solar dish concentrator. In the non-concentrating type, the area collecting the solar energy is the same as the area absorbing the energy. trators like parabolic dish collectors, parabolic trough collectors and Linear Fresnel collectors can generate compressed steam with temperatures of up to 400°C. has achieved the first ever globally certified thermal 4. Solar thermal collectors are either non-concentrating or concentrating. 2017 –Webinar: Modeling Solar Thermal Systems in THERMOFLEX, July 27, 2017 by IGNACIO MARTIN 14. Abstract: The highest demonstrated efficiencies in solar power systems are achieved in Concentrated Solar Power (CSP) systems using a two-axis tracking parabolic dish collector (PDC) with a Stirling engine mounted at the focal point (CSP-Stirling System). Collector(C) - N type material - Equivalent to cathode of the diode; If the multimeter positive probe is connected to anode and negative probe is connected to cathode, then it will show voltage. You may remember from geometry that the "focus" of a parabola is the reflection point from its inside surface (first link. Presentation material will provide real-world examples of installations with areas where code officials should focus. The dish must face the sun head on in order for the sun's energy to be focused at the focal point. Taylormade Renewables Ltd. The basic structure of a parabolic dish antenna is shown in Figure 3. It will also indicate if this modification is indeed a viable fixed collector. I used a 40 gallon garbage can to support the center of the dish as I re-connected the segments. However, it is limited to a single or double factors for available system. 2 Types and Elements of Concentrating Collectors Any general setup for the conversion of the solar energy includes a receiver - a device that is able to convert the solar radiation into a different kind of energy. Sunlight passes through the glazing and strikes the absorber plate, which heats up,. Ghedira, A. Soltigua is the only company offering solar tracking technologies for both PV trackers, and concentrated solar thermal collectors such as parabolic troughs and linear Fresnel. Technical Report. 13" dia & Mounting Rim. 2 - Find a relationship between the diameter D and the depth d so that the focal distance f is equal to twice the depth d of the parabolic dish. Impedance and isolation have also. , all sun rays that are parallel to the axis of the parabola are directed towards the central receiver. To develop the mathematical model, we propose the integration of the geometric model, which corresponds to the intercept of a circular area with a virtual parabola, as shown in Figure 2. Within the project ConSol the goal was to reduce material and production costs by using high-performance concrete for the parabola shell itself and also for part of the tracking system. Spinner October 28,2005 1/17,000 of the Sun’s Output! According to John To paraphrase Dennis: Economics be damned, we have to reduce our usage of fossil fuels. Beam-forming sound allows for the placement of sound with near pinpoint accuracy, and the lack of familiarity of the police and the victim with the phenomenology of beam-forming sound gives the mobbers great advantages, setting the stage to meddle in. For a receiving antenna, the size of the collector dish is what is important. 8 m (which is 2. for energy conversion and power generation. GLOBAL CSP MARKET TRENDS 11 4. Fuels Used to Generate Electricity #1 Coal is used to generate 49% of the electricity in the U. 4 Concentration with a Parabolic Reflector Parabolic geometry is the basis for such concentrating solar power (CSP) technologies as troughs or dishes. Size: 18" dia 4. Solar thermal technologies can be used for water heating, space heating, space cooling and power generating as well. A parabolic reflector is a reflective surface used to collect or project energy such as light, sound, or radio waves. The steam from the boiling water rotates a large turbine, which activates a generator that produces electricity. This proved to work out well. Current parabolic trough collector development mainly aims at cost reduction. A parabolic dish collector is a concentrating solar collector that is similar in appearance to a large satellite dish, but has mirror-like reflectors and an absorber at the focal point. SOLAR ENERGY Max D. The Perfect Gift. Available in standard or tactical (for placement into smaller cases) versions, this 26" dish boasts a range of 500 to 600 feet! It's intended for use with your own omnidirectional lav or pencil mic, and features left and right handles, a rear handle crossbar, and a neck strap. In contrast to other CSP technologies that employ steam to create electricity via a turbine, a dish-engine system uses a working fluid such as hydrogen that is heated up to 1,200° F in the receiver to drive an engine. Heliostats are tracking mirrors that reflect solar energy onto a fixed target. Foundation, 2. In the parabolic trough, the focus is the focal axis of the trough collector. Like other concentrated photovoltaic (CPV) collectors, IBM's system at its Zurich laboratory uses a mirrored parabolic dish to concentrate incoming solar radiation onto PV cells. Parabolic Trough Linear Fresnel Absorber tube and secondary concentrator Reflector 2D Concentrating technologies 1 Axis Tracking Central Receiver Parabolic Dishes 3D Concentrating technologies 2 Axis Tracking 2. This program accepts from the user the center frequency, focal length and diameter of the parabolic reflector antenna and plot the radiation pattern in both E-plane and H-plane. It is used to predict the performance of a given parabolic trough and compare competing technologies. com (m russon wrote: > i work with a guy who is interested in making a parabolic cooker. A random direcTV dish antenna on a roof. Then dy/dx = 2Ax. Presenting antique kerosene heater on sale right now!. 7 dB @ 2320 MHz respectively. Parabolic Trough Collector Cost Update for the System Advisor Model (SAM) Parthiv Kurup and Craig S. Our parabolic antenna handbags are made with a durable, machine-washable fabric and come in a variety of sizes. Free Communications Antenna PPT. A brief video showing how concentrating solar power works (using a parabolic trough system as an example) is available from the Department of Energy Solar Energy Technologies Web site. Applications include solar energy collectors (solar furnaces), directional microphones, and detector systems. @article{osti_6838341, title = {Wind loads and local pressure distributions on parabolic dish solar collectors}, author = {Peterka, J. In this type of collector, the concentrator tracks the sun with the help of rotation along the two axes. 5 meter dish (2011), increased efficiency with the 7. Office & School Supplies. A wide variety of parabolic solar concentrator options are available to you, such as type, application, and pipe material. A parabolic curve is a curve that's made up of straight lines. Control cabinet, 3. The parabolic dish collectors can also be used for cooling purposes, but the main problem is to find solutions adaptable to urban architectural integration. And he should have said "steradians", see. Parabolic reflectors typically have a very high gain (30-40 dB is common. In contrast to other CSP technologies that employ steam to create electricity via a turbine, a dish-engine system uses a working fluid such as hydrogen that is heated up to 1,200° F in the receiver to drive an engine. Start with a curve, denoted by y(x) in the x-y plane, that is symmetrical under a reflection through the y axis; i. However before it is commercially available, you can make one at home. section of our parabolic solar trough. The parabolic shape is designed so that when pointing directly at the target, the sound from that object is reflected to a focal point. The shape of a parabola means that incoming light rays which are parallel to the dish's axis will be reflected toward the focus, no matter where on the dish they arrive. In the non-concentrating type, the area collecting the solar energy is the same as the area absorbing the energy. Parabolic Trough Collector Cost Update for the System Advisor Model (SAM) Parthiv Kurup and Craig S. They receive and/or transmit RF (radio frequency) signals. In section 5, the operation data of the 38 kW DS-CSP system were analysed. Available in standard or tactical (for placement into smaller cases) versions, this 26" dish boasts a range of 500 to 600 feet! It's intended for use with your own omnidirectional lav or pencil mic, and features left and right handles, a rear handle crossbar, and a neck strap. FREE Shipping. DIY Parabolic Trough Mirror made in 20 minutes Stainless Steel Mirror Parabolic Trough Solar Collector water heater 3 Ukrainian solar concentrator Unusual Parabolic Dish. of large exposure surfaces. Best for fast Parabolic dish collector, one or more parabolic dishes concentrate solar energy at a single focal point. FREE booklet: 9 Steps to Selling Your RV. Evacuated Tube Collectors Qcoll is the energy collected per unit collector area per unit time FR is the collector's heat removal factor τis the transmittance of the cover αis the shortwave absorptivity of the absorber G is the global incident solar radiation on the collector UL is the overall heat loss coefficient of the collector. A 1m dish is 1m in diameter (D), thus it's area is pi*D/4 But the lecturer threw you a curve ball with "there is a 2. The basic structure of a parabolic dish antenna is shown in Figure 3. The parabolic reflector antenna gain is calculated as the gain over an isotropic source, i. If a Parabolic Reflector antenna is used for transmitting a signal, the signal from the feed, comes out of a dipole or a horn antenna, to focus the wave on to the parabola. An example of a mesh is shown at left. This closed loop tracking system with two axis sun tracking method is controlled by a programmable logic controller (PLC) and is used for a large dish solar collector. We present work at the Steward Observatory Solar Lab on a high concentration photovoltaic system in which sunlight focused by a single large paraboloidal mirror powers many small triple-junction cells. The goal of the project was to provide 6. Light is concentrated into the opening by a parabolic dish, and heat is extracted to run a Carnot cycle. If the connections are interchanged it will not show any value. Using concentrating collector, heat from the sun is concentrated on a black absorber located at the focus point of the reflector in which water is heated to a very high temperature to form steam. Make a Parabolic Solar Dish From an 8 by 4 Sheet of Plastic (without Too Much Waste): I need to make a half parabolic dish for a solar cooking project and I am trying the "cone method". Solar Thermal Collectors and Application Shunpei Iguchi James Duncan Thermal Collector Mechanics Solar energy is absorbed, transformed, and concentrated in a solar thermal collector over a time or spatial gradient to produce usable energy Thermal Collector Technologies Solar Cookers Parabolic Troughs Parabolic Dish Central Receiver System Solar Chimney Solar Distillers Solar Water Heaters. Parabolic trough power plants use concentrated sunlight, in place of fossil fuels, to provide the thermal energy required to drive a conventional power plant. Summary: In order to boil water with solar energy, we propose to design and conceive a parabolic solar collector at under $50 per unit. A solar collector is a device that collects and/or concentrates solar radiation from the Sun. Its size means that it is generally limited to use above 1GHz, although larger antennas may be used for frequencies down to about 100MHz. Parabolic trough collector:A high-temperature (above 360K) solar thermal. Presentation material will provide real-world examples of installations with areas where code officials should focus. Parabolic dish could be applied individually in remote locations, or grouped together for small-grid (village power, 10 KW) or end-of-line utility (100 MW) applications. GLOBAL CSP MARKET TRENDS 11 4. Lot 36 C-I Corn Stick Pan. You can also choose from solar thermal, water heater solar parabolic dish, as well as from glass solar parabolic dish There are 134 suppliers who sells solar parabolic dish on Alibaba. Impedance and isolation have also. There are three main types of concentrating solar power systems: power tower, parabolic-trough, and dish/engine. Comparison of Parabolic Trough Power Plants 4. Four of the designs above only use parabolic sections. Parabolic Integro-Differential Equation listed as PIDE Parabolic dish; Parabolic Trough Solar Collector. (2015) Sup et al. Steam will then accumulate in the turbine. For higher energy diameter of 30 , 36, 48 or higher can be used. A New Generation of Parabolic Trough Technology. In this version of my parabolic dome posted earlier, a truss of hexagonal and triangular blocks supports plates of sandwiched UV-resistant polycarbonate plastic, aerogel, and liquid crystal layers. Assume the only losses from the cavity are radiative, and the cavity emissivity is 1. The most well-known reflector antenna is the parabolic reflector antenna, commonly known as a satellite dish antenna. The pattern is the end result of multiple base formation breaks. Read more about Selling or Trading your RV. The technology utilises trough-shaped parabolic reflector to concentrate sunlight on an insulated tube or a heat pipe, placed in the focal point. Performance Evaluation of Flat Plate Collector Watt The useful heat output of a flat-plate solar collector is given by 18. However, the antenna is also useful in wireless applications at frequencies of 1 GHz and above. General characteristics of solar thermal power systems. Harley, in Proc. 24, the Sun's image is concentrated on a steam boiler in the centre of the mirror. This parabolic currency would be interesting. Workin of A Solar Steam Turbine With Parabolic Solar Dish Collector. The 2 by 4 was attached to the rectangular base of the parabolic frames with three 2 inch screws on each side. However, a "dish" is just a specific type of antenna design. The thermal performance of a low cost solar parabolic dish collector for process heat M Eswaramoorthy, S Shanmugam Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 34 … , 2012. has achieved the first ever globally certified thermal 4. Prepared under Task No. DIY Parabolic Trough Mirror made in 20 minutes Stainless Steel Mirror Parabolic Trough Solar Collector water heater 3 Ukrainian solar concentrator Unusual Parabolic Dish. section of our parabolic solar trough. Lastly, a summary and conclusions were drawn. Sun tracking system proposed in this paper is such a device for efficiency improvement. Applications include solar energy collectors (solar furnaces), directional microphones, and detector systems. Sunlight passes through the glazing and strikes the absorber plate, which heats up,. The die for the coin would have to be made differently (in the us at least) - instead of just lathing it out, they will have to polish the die. Our 12", 18", and 24" diameter Large Parabolic Reflectors are ideal for a wide variety of light collection applications. The dish itself shields the microphone element from the wind making the KM-09 less susceptible to wind noise. The difference here being that it is a 12-foot wide dish consisting of an aluminium. 12 October 2011. Here the dish is designed to focus at a point on the receiver/absorber by tracking the sun in two axes. Heliostats are tracking mirrors that reflect solar energy onto a fixed target. degree in. The Outlet Temperature of the Fluid from the Collector 20. Concentrating solar collectors use shaped mirrors or lens to provide higher temperatures that flat plate collectors. It all began in 1984, when Emma was working in London soon after leaving. Image Transcriptionclose. 5 The solar resource, CSP plant design and performance 2. More Buying Choices $100. 3 * beam: spot * beam size max power--00. Parabolic trough collector (PTC) Tubular 15-45 60-300 Cylindrical trough collector (CTC) Tubular 10-50 60-300 Two-axes tracking Parabolic dish reflector (PDR) Point 100-1000 100-500 Heliostat field collector (HFC) Point 100-1500 150-2000. 41 Annual performance summary of the collector concepts discussed above. Optical and thermal enhancements methods are investigated for the following collector types: compound parabolic concentrator, parabolic trough collector, linear Fresnel reflector and solar dish concentrator. The dish shaped reflector tracks the Sun along 2 axes. This wave now gets reflected as collimated wave front, as discussed previously. The shimmering, stretched arc of a rocket launch gives perhaps the most striking example of a parabola. Due to the limitations of size and the small quantity of fluid, dish type solar collectors are suitable for only small power generation (up to few kW). hike in thermal efficiency is around 5-10 % compared to the conventional Parabolic Trough Collector (PTC). Tiruvallur, a fast developing district in the southern state of Tamil Nadu. Parabolic Trough. Parabolic dish reflector (PDR) Point 600-2000 100-1500 Heliostat field collector (HFC) Point 300-1500 150-2000 Source: Solar Energy Engineering :Processes and Systems / Soteris Kalogirou. performance parabolic trough solar collectors without any special tools. In a central tower, the focal area is much larger, several m2. In order to make a parabolic solar cooker it is important to know how it functions. 7 dB @ 2320 MHz respectively. Presenting antique kerosene heater in stock and ready to ship right now online. High Performance Parabolic Reflector Antenna. Parabolic-trough collectors can also drive absorption cooling systems or other equipment. 448; 3,23 MB Bundesarchiv Bild 102-12453, Nauen, Richtungsweiser für Funkwellen. terms of the numerator, which involve the geometric and optical models of the offset parabolic concentrating collector. Parabolic reflectors are pretty handy devices. In this approach, sunlight passes through a glass shield above the parabolic collector, and is reflected and gathered at one focal point, and directed underground. Since 2010 Solartron Energy Systems Inc. Optical Design of a Solar Parabolic Concentrating Collector Based on Trapezoidal Reflective Petals 715 is carried out to improve the overall performance of system. This in turn highly affected the elevation angle of the sun and its consequent concentration on the collector. The maximum exergy efficiency in the experiments is less than 10%. Parabolic dish systems consist of a parabolic-shaped point focus concentrator in the form of a dish that reflects solar radiation onto a receiver mounted at the focal point. Best Answer: Antenna, Aeriel, and Dish are in essence the same thing. The reflector surface is entirely passive. Because the sound energy from a large area is focused onto a single point, the sound is in effect, amplified. BUT you can still do some. Parabolic or dish antenna Parabolic, or dish, antennas are the most familiar type of directional antenna. For individual concentrating solar power projects, you will find profiles that include background information, a listing of participants in the project, and data on the power plant configuration. Fluid in the receiver is heated to 750 ºC and used to generate electricity in a small engine attached to the receiver. Sunlight is transmitted onto a reflective surface on the distributor dish underground, transmitting that sunlight into the space. Parabolic dish antennas can provide extremely high gains at microwave frequencies. Solar thermal collectors are either non-concentrating or concentrating. Foundation, 2. Credit: Sandia National Laboratory / PIX 14955. , 2012), so we will look at the. That is, all light rays that are initially parallel. has achieved the first ever globally certified thermal 4. Geometrical characteristics of parabolic dish are given in Table 1. KM-09 Features. Both absorbers were glazed to reduce heat loss -- the flat plate is glazed over the full surface, and the concentrating collector uses a glass tube to enclose the central tube absorber. The gain is quoted in this manner is denoted as dBi. They are able to reach high temperatures, 350 °C (662 °F) or higher, which allows them to be used for grilling and frying. Brief Introduction Parabolic trough receiver is also known as Heat Collecting Element (HCE). Parabolic dish collectors are one of the concentrated solar thermal collectors used for energy conversion and power generation. The Solar Concentrator has a parabolic reflector which enables to concentrate the sun's energy into a focal point where the solar collector is positioned. The microphone is usually an omnidirectional or a cardioid pickup. Parabolic Solar Cooker: Cantinawest's "Solar Burner" 1. Health & Beauty. The average level of solar insolation is 1kW/m2; the. degree in. This allows the collector temperature to become even hotter, over 100 degrees Celsius. Optical Design of a Solar Parabolic Concentrating Collector Based on Trapezoidal Reflective Petals 715 is carried out to improve the overall performance of system. Assume the system is mounted on a two-axis heliostat enabling it to track the sun throughout. Several different dish/Stirling systems have been built and operated during the past 15 years. 3 The response of a silicon diode designed for use as a detector for direct solar radiation. The technology utilises trough-shaped parabolic reflector to concentrate sunlight on an insulated tube or a heat pipe, placed in the focal point. One of the earliest forms of this type of mirror was the one used by Isaac Newton in the construction of reflecting telescopes. HTML-code: Copy. 2 Types and Elements of Concentrating Collectors Any general setup for the conversion of the solar energy includes a receiver - a device that is able to convert the solar radiation into a different kind of energy. Parallel collectors build up a 300-600 metre long collector row, and a multitude of parallel rows form the solar collector field. 405 m in diameter with aluminium frame as a reflector to reduce the weight of the structure and cost of the solar system. Members can add their pieces, buy and sell pieces as well. Abstract: The highest demonstrated efficiencies in solar power systems are achieved in Concentrated Solar Power (CSP) systems using a two-axis tracking parabolic dish collector (PDC) with a Stirling engine mounted at the focal point (CSP-Stirling System). General Trends 4. Frasquet, S. Dish/Engine Main components: Receiver and Concentrator. The radius is simply half the diameter. it is ppt on design and fabrication of solar concentrating trough. The diameter of the parabolic dish ranges in between 1. Manufacturing & Industrial Equipment. parallel to the symmetry plane of the parabolic trough onto the focal line of the parabolic trough. It is common to see this antenna in radio, television, communication, data and […]. The trough field consists of a large array of these modular collectors. References. Easiest way to make a parabolic solar collector is bamboo basket. Prepared under Task No. 1 Parabolic trough collector technology 2. The boilers are 10feet above the vertex of the dish. Lastly, a summary and conclusions were drawn. Overview on Parabolic Trough Collectors 2. A CSP (Concentrating Solar Power) system must have a receiver to receive solar ray reflection from parabolic dish collector. 24, the Sun's image is concentrated on a steam boiler in the centre of the mirror. FREE Shipping. r is the angle made by the reflected ray and the normal. 2009, Elsevier Inc. This parabolic currency would be interesting. Performance Evaluation of Flat Plate Collector Watt The useful heat output of a flat-plate solar collector is given by 18. The system works on the Rankine cycle. Parabolic trough technology allows for single-unit solar power plants of larger rated output than other CSP technologies. The use of a solar dish collector in a Rankine cycle has been examined by Loni et al. Lot 35 Lodge C-I Skillet. The economic and social signification of the method may be huge. BUT you can still do some. A 2-foot dish at 10 GHz can provide more than 30 dB of gain. 100% Free Parabolic Aerial presentation template available for Google Slides, Keynote, and PowerPoint you can download for free and use in your presentations. , all sun rays that are parallel to the axis of the parabola are directed towards the central receiver. These concentrators are mounted on a structure with a two-axis tracking system to follow the sun. A collector field heats a process fluid by means of solar radiation and a heat exchanger transfers this heat to a supply system or production process in the factory as hot water, air flow or steam. The unsatisfying answer is that you can't! This is actually a very involved problem, folks at places like National Renewable Energy Laboratory (NREL) Home Page could put much time and effort into finding a precise answer. Lot 33 C-I Wagner Ppt. Solar-driven Stirling engines get to work. Luz LS-1, LS-2, and LS-3 parabolic trough collector technology SEGS demonstrated commercial nature of parabolic trough technology All plants still operating, many will likely operate past 30 year lifetime. £5 from the sale of each mug will be donated to Marie Curie. The Computer-Aided Design ("CAD") files and all associated content posted to this website are created, uploaded, managed and owned by third party users. 40 Annual performance summary of flat-plate, parabolic trough and parabolic dish collectors. This collector can collects heat energy equivalent to about 300 watts. 1 inch (additional scatter"3) adds background heat * focal length: 7 inches from outer rim - 7. The power of the pollinators in the palm of your hand. These devices are primarily used for active solar heating and allow for the heating of water for personal use. Srinivasan and M. Fuels Used to Generate Electricity #1 Coal is used to generate 49% of the electricity in the U. The concentrated heat from the parabolic collectors turns the water into steam. Parabolic Dish Collector 16. The parabolic dish collector used in this study consists of a parabolic dish collector and a modified cavity receiver operating in tracking mode. The report segments global Concentrating Solar Power Market based on component as Power Block, Solar Field and Thermal Energy Storage System. But many differences and advances are noticeable from the usual parabolic cooker : The cooker is made of two main parts : a table and a concentrator. There are many possible uses for solar concentrators. Too big to fit in the recycle bin and made of the heavy, double-thickness corrugated cardboard that's a pain in the ass to break down, it ended up being the perfect "free" material for a reflector body. Parabolic trough is also considered one of the most mature and most commercially proven technologies in the utility scale CSP facilities (Mendelsohn et al. 4 Stirling dish technology 2. • For DISH 300 installations pointed to the 119°W location, azimuth is 252° RV_Pointing_Table. Parabolic dish systems consist of a parabolic-shaped point focus concentrator in the form of a dish that reflects solar radiation onto a receiver mounted at the focal point. In the non-concentrating type, the area collecting the solar energy is the same as the area absorbing the energy. Overview of possible collector systems, heat transfer media and storage media for CSP power plants 4 Lecture Title, Name of Speaker, dd/mm/yyyy Collector system Heat transfer fluid Storage medium Parabolic trough collector Oil Sensible molten: Solar salt Fresnel collector Molten salt Sensible solid: Concrete, sand. PPL has sold 4,686 in the last two years. Credit: Sandia National Laboratory / PIX 14955. like a parabolic trough with the same focal length and the same aperture. The smaller dish antennas typically operate somewhere between 2 and 28 GHz. This allows the collector temperature to become even hotter, over 100 degrees Celsius. ) and outlines the impact of different. The one-axis tracked collectors follow the sun. 67 kW of thermal energy. Parabolic troughs are used to generate electricity but are susceptible to seasonal changes; 9 Industrial Parabolic Trough 10 Parabolic Dish. Parabolic Trough. " ISBN: 1449303773 Category: Computers Page: 410 View: 2914 DOWNLOAD NOW » With this guide, you'll build several sample applications by learning how to use Xcode tools, the Objective-C programming language, and the core frameworks. Brand New. Build your own parabolic reflector, by stacking together properly shaped planes. parabolic dish solar steam generator. 5 m), which produces a high output of energy (heat) for very efficient cooking, yet it is not too large in diameter that one would have much trouble reaching the cooking plate. NREL tests show the SkyTrough's thermal efficiency at 350 °C (662 °F) to be over 73%, meaning that nearly three quarters of the solar radiation striking the trough surface is converted into thermal energy. Both absorbers were glazed to reduce heat loss -- the flat plate is glazed over the full surface, and the concentrating collector uses a glass tube to enclose the central tube absorber. How to Make Parabolic SOLAR Collector: Do you know concentrating solar power technology can power the Entire world? Yeah. NEW 'Love Is Love' Mug. A major intent of the study was to define wind load reduction factors for collectors within a field resulting. The Computer-Aided Design ("CAD") files and all associated content posted to this website are created, uploaded, managed and owned by third party users. The standard formula for the. High Performance Parabolic Reflector Antenna. This specific type of solar collector is mainly used in solar power plants. The microphone is usually an omnidirectional or a cardioid pickup. Template #04972. Cool new PPT theme with picture of parabolic satellite dish backdrop and a tawny brown colored foreground PPT layouts with communication - satellite dishes antenna background and a violet colored foreground. They have the capability of reflecting to the absorber all of the incident radiation within wide limits. There are mainly two types of solar collectors: concentrating and non-concentrating solar collectors. Optical and thermal enhancements methods are investigated for the following collector types: compound parabolic concentrator, parabolic trough collector, linear Fresnel reflector and solar dish concentrator. For higher energy diameter of 30 , 36, 48 or higher can be used. This wave now gets reflected as collimated wave front, as discussed previously. The parabolic collector concentrates solar energy onto a single receiver, heating the hot side of the heat engine generator. Within the project ConSol the goal was to reduce material and production costs by using high-performance concrete for the parabola shell itself and also for part of the tracking system. NREL/TP-6A20-65228. The technology utilises trough-shaped parabolic reflector to concentrate sunlight on an insulated tube or a heat pipe, placed in the focal point. Sunlight is reflected by the mirror and concentrated on the Dewar tube. The dish uses a tracking system to move with the sun, concentrating. The dish is made of aluminum. In this version of my parabolic dome posted earlier, a truss of hexagonal and triangular blocks supports plates of sandwiched UV-resistant polycarbonate plastic, aerogel, and liquid crystal layers. Dish/engine systems use a parabolic dish of mirrors to direct and concentrate sunlight onto a central engine that produces electricity. Presto HeatDish Plus Parabolic Heater 120v AC, 1000. A parabolic microphone provides a natural mechanical amplification of about six times, due to the characteristics of the collector dish. A typical flat-plate collector is a metal box with a glass or plastic cover (called glazing) on top and a dark-colored absorber plate on the bottom. Basically my dish will be made from concentric cones to mimic a parabolic dish and to give the desired concentration of light. DIY Parabolic Trough Mirror made in 20 minutes Stainless Steel Mirror Parabolic Trough Solar Collector water heater 3 Ukrainian solar concentrator Unusual Parabolic Dish. Parabolic dish (PD) and parabolic trough (PT) solar collectors are used to harness solar energy using four different solar absorption fluids. This is followed by an optical, thermal and thermodynamic analysis of the collectors and a descriptionofthemethodsusedtoevaluatetheirperformance. Why are there no parabolic reflectors used for OTA? Why are parabolic antenna designs not available these days? They perform better than other designs and there is clearly more of a market for them than there was when the CM4251 was discontinued:. A parabola is a symmetric curve; a parabolic reflector is a surface that describes that curve throughout a 360-degree rotation—a dish or, to use the technical term, a paraboloid. A parabolic dish system uses a computer to track the sun and concentrate the sun's rays onto a receiver located at the focal point in front of the dish. The Main application areas are Automobile Industries, Textile Industies, Chemical & Paints Industries, Community Kitchens and those Industries needs to Steam for Electric Generators. How Parabolic Dish Antennas work?: How Parabolic Dish Antennas work? Point M is the point at which the ray hits the parabolic dish. TECHNICAL AND ECONOMIC PERFORMANCE OF PARABOLIC TROUGH IN JORDAN by Ahmad Khaled (Elhaj Yasin) submitted to - Faculty of Electrical Engineering and Computer Science at University of Kassel, Germany. Department of Energy Through an Agreement with National Aeronautics and Space. The size of the signal-producing antenna is set to the wavelength of the signal. Assessment of Dry Cooled Parabolic Trough (CSP) plants 1 „Evaluation of dry cooling option for parabolic trough (CSP) plants including related technical and economic assessment” “Case study CSP Plant in Ma’an/Jordan” By Ahmad Abdel-Latif Mohammad Liqreina A Thesis Submitted in partial fulfillment of the requirements for the degree. It is generally constructed as a long parabolic mirror (usually coated silver or polished aluminium) with a receiving tube running its length at the focal point. 1 and consists from: 1. , all sun rays that are parallel to the axis of the parabola are directed towards the central receiver. Kashika and Reddy [8] used satellite dish of 2. Dish technology in Asia 10,000 m² ORC-Connected Fresnel and Parabolic Trough Fields According to metering by the operator of the 990 m² collector field. 04" thick aluminum and features a center hole and mounting rim. To develop the mathematical model, we propose the integration of the geometric model, which corresponds to the intercept of a circular area with a virtual parabola, as shown in Figure 2. Of or similar to a parable. Free Communications Antenna PPT. The basic principle remains the same with the mirrors collecting solar power which is then utilized to generate steam which in turn drives a turbine. The tracking range of this dish is 300˚ which makes it great for higher latitudes, it also has a tilt back feature for low latitude operation where the sun seasonally goes from the northern. 1305 07-26-2017 20:10:21 file= C:\Users\imart\Documents\Thermoflow 26\IMG\a_FAW\7_FAW_Solar\Solar Thermal Parabolic Troug w Storage_TD. Such systems have demonstrated 25% efficiency in converting solar energy to electricity. Taking climatic performance into account. A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves. The Computer-Aided Design ("CAD") files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Using the sun energy to heat water is not a new idea. parabolic synonyms, parabolic pronunciation, parabolic translation, English dictionary definition of parabolic. 1 General Description of Solar Collectors. Considerable R&D has been done in last 3 decades and is also being currently conducted to enhance this technology. Such a reflector can be molded or stamped in quantities, much like a salad bowl or a baby wading pool. (2015) Sup et al. The shape of a parabola means that incoming light rays which are parallel to the dish's axis will be reflected toward the focus, no matter where on the dish they arrive. Credit: Sandia National Laboratory / PIX 14955. A radio telescope uses a large metal dish or wire mesh, usually parabolic-shaped, to reflect the radio waves to an antenna above the dish. 1 Coefficients for use in Equation (C. 500 kWh/m2 year So for 1 km2 of land, Total Available Energy = 2. A solar thermal collector collects heat by absorbing sunlight. Soltigua’s Fresnel collector FLT is a linear concentrating system for generating heat in the range of 100 kW to several MW at temperatures up to 320°C. Our 12", 18", and 24" diameter Large Parabolic Reflectors are ideal for a wide variety of light collection applications. Parabolic mirrors that look like troughs are used to reflect the sun’s rays onto tubes filled with oil. 5 Inch 4k Input Capable Premium Led Monitor3840x2160500cdm2. A 15 meter dish weighs 7600 lb (excluding reflective surface), and when it is supported at three equally spaced support points, maximum deflection is. A procedure and a graphical method for the design of dish/cavity systems are proposed. FREE Shipping. Levelized Cost of Electricity 3. Hence a very high concentration ratio is achieved. There are many possible uses for solar concentrators. Dish-Engine. Lot 68 Child's Barney Dish set. A focus of parabolic reflector calculator is included in this site. 1 Geometrical and optical data for parabolic trough collectors 246 Table C. Solar Thermal Energy. Lastly, a summary and conclusions were drawn. It also describes the sun tracking system unit by manual tilting of the lever at the base of the parabolic dish. 04" thick aluminum and features a center hole and mounting rim. re: parabolic cooker question 18 apr 2001 nospam)acer-access. 5 The solar resource, CSP plant design and performance 2. The rods (the bending parts defining the shape of the parabola) can be calculated as a series in Grapher: by using. 4 Concentration with a Parabolic Reflector Parabolic geometry is the basis for such concentrating solar power (CSP) technologies as troughs or dishes. Overview of possible collector systems, heat transfer media and storage media for CSP power plants 4 Lecture Title, Name of Speaker, dd/mm/yyyy Collector system Heat transfer fluid Storage medium Parabolic trough collector Oil Sensible molten: Solar salt Fresnel collector Molten salt Sensible solid: Concrete, sand. A parabolic dish collector like solar collector works on dual axis tracking. For this purpose, tracking mechanisms similar to the ones described in the previous. Inserting these results into eq. The CSP parabolic trough technology applies sun-tracking curved mirrors (called parabolic troughs) to maximize the sun’s energy and consequently the efficiency of heat production. In this approach, sunlight passes through a glass shield above the parabolic collector, and is reflected and gathered at one focal point, and directed underground. The basic principle of this design is the creation of curved shapes from the intersection of straight lines. , all sun rays that are parallel to the axis of the parabola are directed towards the central receiver. Heliostats are tracking mirrors that reflect solar energy onto a fixed target. [14], while the use of nanofluids as working fluids in solar dishes has been examined in R ef [15]. Foundation, 2. Parabolic trough solar technology is credited by being synonymous with "the very first application of solar energy. Loads on isolated collectors and on collectors within a fi e 1 d of collectors were obtained. The absorption fluids used are aluminum oxide (Al 2 O 3 ) and ferric oxide (Fe 2 O 3 )‐based nanofluids and LiCl‐RbCl and NaNO 3 ‐KNO 3 molten salts. Parabolic Trough Collector Cost Update for the System Advisor Model (SAM) Parthiv Kurup and Craig S. From Xcode to App Store. KM-09 Features. In case of a parabola, incoming rays which are parallel (sun's rays arriving are nearly parallel) will be reflected always to the focus regardless of where they arrive on the dish. Do you want to make a working model of parabolic solar collectors or parabolic solar concentrator or parabolic solar reflector with a d2h Parabolic dish and solar. The basic principle remains the same with the mirrors collecting solar power which is then utilized to generate steam which in turn drives a turbine. Arial Lucida Sans Unicode Wingdings 3 Verdana Wingdings 2 Calibri Concourse 1_Concourse 2_Concourse 3_Concourse 4_Concourse 5_Concourse 6_Concourse 7_Concourse Satellite Communications Overview Direct Broadcast Satellite (DBS) Direct Broadcast Satellite (DBS) DirecTV Good TV, Better TV, DirecTV Satellite Fleet Satellite Radio XM Radio XM Ground Repeaters Slide 10 SIRIUS Radio SIRIUS WorldSpace Summary. When a rocket, or other ballistic object, is launched, it follows a parabolic path, or trajectory. Parabolic-trough collectors can also drive absorption cooling systems or other equipment. Parabolic Collectors, Parabolic Dish Solar Collector, Collector manufacturer / supplier in China, offering High Efficiency Parabolic Trough Solar Collectors, Low Cost Food Trailer Ice Cream Grill Food Cart Food Truck, EEC Approved New Electric Car L7e Lithium Battery and so on. The Solar Cooking Parabolic Systems are designed as per the requirements of the esteemed clients. supporting parabolic dish concentrator system was designed. Comparison of Parabolic Trough Power Plants 4. Any parabolic reflector can be defined by two numbers: the diameter and the depth. Design and Fabrication of Parabolic Solar Collector Mechanical and Automobile IEEE Project Topics, Thermal Engineering Base Paper Ideas, Synopsis, Abstract, Report, Figures, Full PDF, Working details for Mechanical Engineering ME, Diploma, BTech, BE, MTech and MSc College Students. The SunCatcher™ is a 25-kilowatt-electrical (kWe) solar dish Stirling system which consists of a unique radial solar concentrator dish structure that supports an array of curved glass mirror facets, designed to automatically track the sun, collect and focus, that is, concentrate, its solar energy onto a patented Power Conversion Unit (PCU). The most well-known reflector antenna is the parabolic reflector antenna, commonly known as a satellite dish antenna. Light is concentrated into the opening by a parabolic dish, and heat is extracted to run a Carnot cycle. 5 m 2 in area), and reflective film is being used to reflect the solar irradiance and concentrated it in the focal point. Curve: Because a true parabola is a specific geometric curve, few homemade dishes have full parabolic performance. Nectar Collector A Nectar Collector is a new trendy way to smoke concentrates, as opposed to a dab rig or oil rig. The parabolic shaped mirror (reflector) focuses the sunlight onto a linear tube located. 40 Annual performance summary of flat-plate, parabolic trough and parabolic dish collectors. This parabolic currency would be interesting. Office & School Supplies. Proposal for Improvement of Solar Thermal Collectors [Name [Date Fresnel lenses are the classical lighthouse light design. However, it is limited to a single or double factors for available system. Sunlight is reflected by the mirror and concentrated on the Dewar tube. The rods (the bending parts defining the shape of the parabola) can be calculated as a series in Grapher: by using. No, the Nectar Collector is something entirely different, and it’s gaining popularity exponentially based on its effectiveness, ease of use, and for the fun times that you can have sharing it with your friends. If a microphone is positioned at the focal point, its gain is dramatically increased. in partial fulfillment of the requirements for M. A Dewar tube runs along its focal length. The y-axis is thus the symmetry-axis of the two-dimensional. The gain is only limited by the size of the parabolic reflector; a number of hams have dishes larger than 20 feet, and occasionally a much larger commercial dish is made available for amateur operation. 1 inch (additional scatter"3) adds background heat * focal length: 7 inches from outer rim - 7. Ravichandran Department of Mechanical Engineering, K. Solar thermal collector. , all sun rays that are parallel to the axis of the parabola are directed towards the central receiver. Parabolic dish concentrating systems use parabolic dish shaped mirrors to focus incoming solar radiation onto a receiver that is positioned at the focal point of the dish (see Figure 4). Too big to fit in the recycle bin and made of the heavy, double-thickness corrugated cardboard that's a pain in the ass to break down, it ended up being the perfect "free" material for a reflector body. Design view of parabolic dish ''EURODISH" TM " is a 10-kilowatt-electrical (kWe) solar dish Stirling system, shown in Fig. ) As it turns out, there's a convenient source of parabolic dishes old satellite antenna dishes. Levelized Cost of Electricity 3. " ISBN: 1449303773 Category: Computers Page: 410 View: 2914 DOWNLOAD NOW » With this guide, you'll build several sample applications by learning how to use Xcode tools, the Objective-C programming language, and the core frameworks. Parabolic Dish Concentrators. It is often referred to as a dish antenna. 13" dia & Mounting Rim. In Spain, there are three power plants namely Andasol 1, Andasol 2 and Andasol 3 that are being operated using parabolic trough collector technology with a capacity of 50 MW each. Fluid in the receiver is heated to 750 ºC and used to generate electricity in a small engine attached to the receiver. Parabolic trough solar technology is the most proven and lowest cost large-scale solar power technology available today, primarily because of the nine large commercial-scale solar power plants that are operating in the California Mojave Desert. In spite of efforts to promote and develop renewable sources of energy and other new sources, fossil fuels (coal, oil & natural gas). usagreentech Subscribe Unsubscribe 0. The block diagram of the power plant using parabolic trough collectors is shown in Figure. Parabolic Dish systems use satellite-like mirror dish(es) to focus the light onto a singlecentral receiver in front of the mirror. Thus the generated heat is transferred to the boilers in the power station. A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect and concentrate. Parabolic Trough Linear Fresnel Absorber tube and secondary concentrator Reflector 2D Concentrating technologies 1 Axis Tracking Central Receiver Parabolic Dishes 3D Concentrating technologies 2 Axis Tracking 2. All lengths are of the same unit. The parabolic dish antenna is widely known for its uses in satellite communications.
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