It should be noted that more than 70% of the total globally operational csp plants use. Design parameters of the solar parabolic dish concentrator are shown in ab. Dish antennas and their feeds are a mystery to the majority of hams who have not spent a lot of. Parabolic dish concentrators are a wellknown solution for many applications such as concentrated solar power csp, solar metallurgical. A parabolic dish solar thermal cooker having aperture diameter 1.
Table 1 cost of subsidiary requirements requirement cost incurred safe. Approximately a 700 watt solar heat input is required to operate the engine which rated power output is 2 watt 1. These are two different satellite dishes i converted for solar cooking. Solar fire provides detailed plans and howto instructions for building three different sizes of concentrating solar collectors.
The teams efforts centered on a collecting solar energy through a parabolic mirror to transmit that energy to b an adapted twocylinder. This is the concave dish made of wood and lined with an aluminium sheet. Design, construction, and test of a miniature parabolic. Xk6060341 solar energy research institute a division of. Gunge 1,2,3,4be, department of mechanical engineering, sinhgad college of engineering, pune41. The equipment which is made up of the reflector surface, reflector support, absorber pipe and a stand was fabricated using locally sourced materials. A thesis submitted in partial fulfillment of the requirements for the master of. Schematic of a dish engine system with stretchedmembrane mirrors. To demonstrate such problem a parabolic dish solar collector is designed to provide energy to the ltd stirling engine for small scale power generation. 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.
Solar energy utilization is a promising renewable energy source for covering a variety of energy needs of our society. The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line, where objects are positioned that are intended to be heated. They so far have the highest heatelectricity conversion efficiencies among all csp designs up to 30 %. The basic structure of a parabolic dish antenna is shown in figure 3. Performance analysis methodology for parabolic dish solar. Mechanical design of a low cost parabolic solar dish concentrator. The gross solartoelectric conversion efficiency is 3. The size of the concentrator is determined by its engine. This work presents a reproducible parabolic trough solar water heater as a suitable renewable technology for reducing waterheating costs and solar. Concentration ratio is defined as the aperture area divided by the receiverabsorber area of the collector. The cooker can be used fo r boiling water as well as cooking in an isolation.
A parabola is the locus of a point that moves so that its distances from a fixed line and a fixed point are equal. Pdf ppt on design and fabrication of solar concentrating. Pdf design and development of a parabolic dish solar thermal. This booklet includes solar cooking concepts, solar cooker construction plans and directions for use, recipes, student activities and examples of noncooking uses of solar cookers including solar water pasteurization a basic survival skill. The materials are easily obtainable and the design is simple and straight forward the concentrators can be made with readily available materials and simple tools. Design, construction and testing of a parabolic solar steam. Recently, the development of sophisticated csp increased but mainly for large scale utility production with the use of parabolic troughs and parabolic sterling engine systems. Parabolic dish concentrating collector for indirect solar cooking. Design specifications of parabolic dish solar collector fig1 design parameters of dish collector a parabola is the locus of a point that moves so that its. Structural design of parabolictrough solar concentrators. To obtain proper shape of parabolic dish to use the saline water and distill it to obtain the potable water 2. The parabolic shaped mirrors are constructed by forming a sheet of reflective material into a parabolic shape that concentrates incoming sunlight onto a central receiver tube at the focal line of the collector.
How they work by solar power engineering january 23, 2010 the solar dish stirling technology is well beyond the research and development phase, with more than 20 years of recorded operating history. Design of a parabolic trough solar collector using a. The shape of a parabola means that incoming light rays which are parallel to the dishs axis will be reflected toward the focus, no matter where on the dish they arrive. Its shape is part of a circular paraboloid, that is, the surface generated by a parabola revolving around its axis. Method of a given focus and directrix was employed in the construction of the. Pdf design of a solar dish concentrator according to the needed. Finally, the the solar parabolic dish systems convert the heat from the conclusion summarized in section 6. Abst concentrating collector comprising a 2000 mm diameter, and. In this paper a parabolic dish collector system was designed for hot water generation and simulation of dish collector was also done. Noting that little work has been done in the area of lowering the cost of solar dish, this paper demonstrates the mechanical design of low cost parabolic solar dish concentrator with smalltomoderate size for direct electricity generation. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. A parabolic dish reflector pdr, shown schematically in figure 3. The design and building of a large dish antenna rotor cliff bates, kc7ppm editors note.
Pdf experimental study of a 2stage parabolic dishstirling. Design, fabrication and analysis of helical coil receiver with varying pitch for solar parabolic dish concentrator 1manav sharma, 2jaykumar vaghani, 3nitesh bihani, 4niranjan shinde, 5vijay. A parabolic or paraboloid or paraboloidal reflector or dish or mirror is a reflective surface used to collect or project energy such as light, sound, or radio waves. This table gives the values of various parameters becauset there are many geometric characteristics in the designed model. If the design is successful, the parabolic solar collector device can be marketed to the millions of household owners. How do solar parabolic dishes work solar power world. My homemade parabolic dish solar cooker built from scratch. This paper reports the design, construction and testing of a parabolic dish solar steam generator. Optical design of a solar parabolic concentrating collector. Introduction those of us interested in radio astronomy ra or earthmoonearth transmission eme, or moon bounce usually dream of a bigger.
Wildtronics parabolic dishes, or reflectors as they are sometimes called, are available in several material and thickness variations. It is essential to state that the receiver has a spiral coil shape with a smooth geometry. The study provides a theoretical guidance for designing and oper keywords. Assessment of parabolic trough and power tower solar. Pdf solar parabolic dish stirling engine system design. A parabolic solar water heater concept is used to design. Simultaneous multiple surface method for the design of new. Parabolic dish systems use satellitelike mirror dishes to focus the light onto a singlecentral receiver in front of the mirror. Wind loads on heliostats and parabolic dish collectors. Best for fast parabolic dish collector, one or more parabolic dishes concentrate solar energy at a single focal point. Design, construction, and test of a miniature parabolic trough solar concentrator donald jeremy gaitan cal poly, san luis obispo, ca fall quarter 2012.
A parabolic trough is a type of solar thermal collector that is straight in one dimension and curved as a parabola in the other two, lined with a polished metal mirror. Design, fabrication and analysis of helical coil receiver. Pdf solar parabolic dish stirling engine system design, simulation. Solar cooking can make a world of difference if we each use it on sunny days and. Concentrators dishengine systems utilize concentrating solar collectors that track the sun in two axes. Cermak fluid mechanics and wind engineering program colorado state university fort collins, colorado november 1988 seri technical monitor. Parabolic satellite dish conversion solar cooker youtube. It was designed to provide 40 litres of hot water a day. For effective performance, the design parabolic dish cooker has the highest efficiency in required that the solar cooker track the sun terms of the utilization of the. Department of energy laboratory operated by midwest research institute battelle bechtel contract no. Development of a solar concentrator with tracking system. Concentration ratio is defined as the aperture area divided by. Department of mechanical engineering, federal university of technology minna, niger state.
A complete design and simulation of a parabolic dish solar cooker was carried out. Design, fabrication and analysis of thermal storage solar. In this study, the optical design of a solar parabolic dish concentrator is. Structure the reflector dish can be solid, mesh or wire in construction and it can be either fully circular or somewhat rectangular depending on the radiation pattern of the feeding. Parabolic dish concentrating collector for indirect solar cooking amos veremachi. The smaller dish antennas typically operate somewhere between 2 and 28 ghz. The parabolic dish system use a parabolic mirrorshaped dish, or a modular mirror system that similar to parabola, and incorporates twoaxis of tracking to focus. Solar parabolic dish stirling engine system design, simulation, and thermal analysis article pdf available in energy conversion and management 126. Design, construction and testing of a parabolic solar steam generator joshua folaranmi 120 parabolic dish. Parabolic dish systems use satellitelike mirror dish es to focus the light onto a singlecentral receiver in front of the mirror. The design and building of a large dish antenna rotor cliff. In the present work, new parabolic trough collector system with manual tracking system which has been developed for hot water generation, fabrication and design of a solar parabolic.
The dish structure must fully track the sun to reflect the beam into the thermal receiver. A reflective surface, metalized glas s or plastic, reflects incident solar radiation to a small region called the focus. Method of a given focus and directrix was employed in the construction of the parabolic dish. For this purpose, tracking mechanisms similar to the ones described in the previous. High performance wildtronics parabolic dishes for sale. The parabolic trough collectors ptc consist of solar collectors mirrors, heat receivers and support structures. The green stirling engine power plant project utilized a stirling engine as an environmentally responsible means of electrical power generation. The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line, where objects are. Design and study of portable solar dish concentrator citeseerx. Mathematical model for the study and design of a solar dish collector with cavity receiver for its application in stirling engines. Manual making of a parabolic solar collector gang xiao laboratoire j. Two proven diy methods for converting an old offset parabolic satellite dish into a solar cooker.
A 4page abridged version of this article appeared in the augustseptember 2011 issue of the sara journal. Thermal and optical efficiency investigation of a parabolic. The parabolicshaped mirrors are constructed by forming a sheet of reflective material into a parabolic shape that concentrates incoming sunlight onto a central receiver tube at. Concentrators dish engine systems utilize concentrating solar collectors that track the sun in two axes.
Aug 24, 20 my homemade parabolic dish solar cooker built from scratch. This study presents the most wellknown solar concentrating system, the parabolic trough collector, which is operating efficiently in high temperatures. Design and construction of a solar collector parabolic dish. Geometrical and physical model in the 3d model on figure 2 are shown the main elements of offset parabolic dish concentrator system in working position.
Water distillation system using parabolic dish solar collector. Design specifications of parabolic dish solar concentrator concentration of the sun rays in parabolic dish type solar concentrator, is done, as the name suggests, according to the geometry of the concentrator i. Figure 1 cylindrical parabolic collector 2 figure 2 parabolic dish collector 2 figure 3 compound parabolic concentrator 2 figure 4 cpc construction 6 figure 5 absorber shapes 7 figure 6 two stage concentrators 8 figure 7 cpc for solar still 9 figure 8 solar. Parabolic dish solar thermal system solar hydrogen. Assessment of parabolic trough and power tower solar technology cost and performance forecasts national renewable energy laboratory 1617 cole boulevard golden, colorado 8040393 nrel is a u.
Optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals 715 is carried out to improve the overall performance of system. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. The large dishes can operate in the vhf region 30300 mhz, but typically need to be extremely large at this operating band. Parabolic dish reflector pdr point 100 100500 heliostat field collector hfc point 1001500 1502000 note. Design, construction and testing of a parabolic solar. Choose between dish types at the time of your purchase of a parabolic microphone or buy them by themselves for replacements or diy projects. It consists of a feed antenna pointed towards a parabolic reflector. Ibrahim 2012 designed and developed a parabolic dish solar water heater for domestic hot wa ter applications. Compound parabolic concentrator iv list of figures diagrams. Schematic of a dishengine system with stretchedmembrane mirrors. Design and development of a parabolic dish solar thermal. Himin is parabolic dish solar thermal system manufacturer in china, our parabolic dish solar thermal system has been used for harbin institute of technology, china solar valley exhibition area, cas institute of electrical engineering, xian jiaotong university solar hydrogen production. Pdf design analysis factors and specifications of solar dish.