Cermak fluid mechanics and wind engineering program colorado state university fort collins, colorado november 1988 seri technical monitor. Parabolic trough collector technology abengoa solar. This article presents the performance of a solar parabolic concentrator coupled to a te module. They so far have the highest heatelectricity conversion efficiencies among all csp designs up to 30 %. Yeah do you want to make a working model of parabolic solar collectors or parabolic solar. Abst concentrating collector comprising a 2000 mm diameter, and. Pdf an overview on parabolic trough solar collectors. They can be used for desalination, cooling, and production of electricity. Compound parabolic concentrator iv list of figures diagrams.
Volumetric solar receivers constitute a novel and promising solution for. Research team rizwan masood, student of chemical engineering department, uet lahore. The two new designs of parabolic compound solar collector are. The dish structure must fully track the sun to reflect the beam into the thermal receiver. The dish structure must track fully the sun to reflect the beam into the thermal receiver as. A parabolic trough employs parabolic mirrors that act as collectors can be coated silver or polished for more efficiency. There are good designs here that can be built on a budget and without exceptional mechanical skills. Design, construction and testing of a parabolic solar steam. Parabolic dish collector a parabolic dish collector is a pointfocus collector that tracks the sun in two axes, concentrating solar energy onto a receiver located at the focal point of the dish. Meyer department of mechanical and aeronautical engineering, university of pretoria abstract solar thermal brayton cycles utilise concentrated sun rays and can be used to power microturbine generators. The goal of this paper is to present the optical and the thermal analysis of a parabolic dish concentrator with a spiral coil receiver.
Dec 14, 2009 parabolic dish collector december 14, 2009 leave a comment go to comments using parabolic dishes is a welltested approach to concentrate solar radiation, and was an early experimental tool at many locations worldwide. Jan 23, 2010 the suncatcher is a 25kilowattelectrical 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. Water distillation, saline water, solar dish collector, parabolic dish collector, coastal area. Performance analysis of parabolic solar dish collector for. Solar tracking for a parabolic dish used in a solar. Lowcost concentrating solar collector for steam generation. Ibrahim 2012 designed and developed a parabolic dish solar water heater for domestic hot wa ter applications. Wind loads on heliostats and parabolic dish collectors final subcontract report j. Water distillation system using parabolic dish solar collector. Optical design of a solar parabolic concentrating collector. It could also run on a single brayton cycle, where air, helium or other gas is compressed, heated and expanded into a turbine.
The cooker can be used fo r boiling water as well as cooking in an isolation. Duanes redrok site is information central for diy heliostats and concentrating solar collectors. The shenandoah parabolic dish solar collector sandia national. The sun is one of the richest energy sources in this context and is almost inexhaustible. Distinguishing between parabolic trough power plants, fresnel power plants, solar tower power plants and dish stirling systems, the parabolic trough power plants provide over 90% of the capacity of concentrating solar power plant technology that is in operation or in construction in september 2010.
The construction used will remind many of the satellite dishes used for services such as sky and is called a parabolic collector. Performance analysis methodology for parabolic dish solar. In these models, the sun rays are concentrated on linear path after reflecting from two faces. Method of a given focus and directrix was employed in the construction of the parabolic dish.
In this case, a parabolic mirror concentrates incident solar irradiation onto a much smaller receiver area, greatly decreasing heat loss and maximizing the available energy from the sun. To demonstrate such problem a parabolic dish solar collector is designed to provide energy to the ltd stirling engine for small scale power generation. In this paper a parabolic dish collector system was designed for hot water generation and simulation of dish collector was also done. A parabolic trough is made of a number of solar collector modules scm fixed together to move as one solar collector assembly sca. 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 in the present work, the performance of aluminum oxide and. In this paper work the performance analysis of parabolic solar dish collector is done with the use of different reflecting materials. A solar thermal collector collects heat by absorbing sunlight. For this purpose, tracking mechanisms similar to the ones described in the previous. The parabolic dish collector is developed from low cost technology and is tested in the outdoors on a. Diy solar collector from old satellite dish treehugger. Concentration ratio is defined as the aperture area divided by the receiverabsorber area of the collector. An economic parabolic dish concentrating system was built at the sustainable energy science and engineering center sesec at florida state university in tallahassee, florida.
Parabolic dish systems use satellitelike mirror dish es to focus the light onto a singlecentral receiver in front of the mirror. Performance evaluation of flat plate collector watt the useful heat output of a flatplate solar collector is given by 18. Ali abu ghalia belal abu teba massoud alnajjar supervisor. Experimental results showed that the optimum position of the reflectors was 60a, which gave significantly higher thermal energy and electrical power output than the te solar collector without reflectors.
Parabolic dish concentrating collector for indirect solar. Presentation of the new parabolic collector designs in this work, two new models are presented that their functions are based on blackbody theory. Best for fast parabolic dish collector, one or more parabolic dishes concentrate solar energy at a single focal point. The megawatt system mws solar dish concentrator a high efficiency 2axis tracking concentrator. A dishstirling systems concentrator with a nominal maximum direct normal solar insolation of wm2 and a 25kw capacity has a diameter of approximately 10 meters. Abstractthe parabolic dish solar collector technology is very useful as it is used for approximately all solar energy applications such as steam and power generation, water heating, air heating etc. A wide variety of parabolic solar collector options are available to you, such as pressurized, evacuated tube, and nonpressure. Compound parabolic collector an overview sciencedirect. Parabolic dish concentrating collector for indirect solar cooking. Yeah 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. In the polar trackin g method, the collector rotates about an axis parallel to the earths axis of rotation. Box 20423, nicosia 2152, cyprus received 18 june 2003.
A wide variety of solar parabolic dish options are available to you, such as vacuum solar collector, pressurized, and manifold collector. Bringing you a prosperous future where energy is clean, abundant, reliable, and. In this context, the development of specific collector units maximizing the conversion efficiency by means of uniform distribution of solar radiation is a way to improve the performance of. The solar dish stirling technology is well beyond the research and development phase, with more than 20 years of recorded operating history. Dish systems dish systems use dish shaped parabolic mirrors as reflectors to concentrate and focus the suns rays onto a receiver, which is mounted above the dish at the dish center. Flat plate versus evacuated tube solar collectors pdf. This reduces efficiency, but makes it cheaper to build and operate. How do solar parabolic dishes work solar power world. Regeneration of soild desiccant by solar parabolic dish. Pdf solar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the solar collector. Auguste mouchout is the first person that use the parabolic trough technique to produce steam for steam engine in 1866. You can also choose from solar thermal, water heater solar parabolic dish, as well as from glass solar parabolic dish there are 4 suppliers who sells solar parabolic dish on, mainly located in asia. The parabolic dish reflector consists of even curvilinear trapezoel idal reflective petals constructed by poly methyl methacrylate with silvered mirror. Prototype has been built and is being tested at solar energy center of ministry of new and renewable energy mnre.
Solar tubular receiver in parabolic trough concentrators, j. Introduction about 70% of the planet is covered in water, yet of all of that, only around 2% is fresh water, and of that 2%, about 1. Keeping in notice the free solar energy, a water distillation and desalination system has been introduced which aims at purification of water in minimum cost without any harmful effect for meeting the requirements of the locals. 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. Most of the larger dishengine systems use this method of tracking. The equipment is well characterized with over 50,000 hours of onsun time. Oct 31, 2008 diy solar collector from old satellite dish recycled satellite dish becomes solar heater the rojas family are beginning to look like mad solar scientists out to take over the world with their. A scm could have a length up to 15 metres 49 ft 3 in or more. Diy parabolic mirror solar reflector project youtube. A dish engine system is a standalone unit composed primarily of a collector, a receiver, and an engine see fig.
Parabolic dish reflector pdr point 100 100500 heliostat field collector hfc point 1001500 1502000 note. Concentrating collector an overview sciencedirect topics. Manual making of a parabolic solar collector gang xiao laboratoire j. Lowcost concentrating solar collector for steam generation by john dascomb a thesis submitted to the.
Types of concentrating solar collectors your electrical. The first patent for solar collector is invented by mr. Table 1 cost of subsidiary requirements requirement cost incurred safe. Design and fabrication of parabolic solar concentrator with sole objective to define future projects to save natural gas 29jul08 2rizwan masood. Design, construction, and test of a miniature parabolic. In this work, two new compound parabolic trough and dish solar collectors are presented with their working principles.
The size of the concentrator is determined by its engine. Through a polished stainless steel parabolic dish, solar radiation is. Pdf performance evaluation of parabolic dish type solar. Water distillation system using parabolic dish solar. Pdf performance evaluation of nanofluid on parabolic trough solar. European research on concentrated solar thermal energy. This allows this type of collector to achieve the highest concentration ratios among all other type of solar collectors. Pdf steam generation by using solar dish collector.
In case of a parabola, incoming rays which are parallel suns rays arriving are nearly parallel will be reflected always to the focus regardless of where they arrive on the dish. Explore concentrating collectors with free download of seminar report and ppt in pdf and doc format. Wind loads on heliostats and parabolic dish collectors. About a dozen or more of scm make each sca up to 200 metres 656 ft 2 in length. Mechanical design of a low cost parabolic solar dish concentrator.
The solar production of hydrogen performed with photocatalysis methods is based mainly on concentrated solar collectors, as compound parabolic collectors. It was designed to provide 40 litres of hot water a day. These are concentrating systems of linear focus fig. There are many different types of concentrating solar collectors. Since 1984, the solar dish stirling equipment has held the worlds efficiency record. Electricity generation from a solar parabolic concentrator. In order to boil water with solar energy, we propose to design and conceive a parabolic solar collector. A solar bowl is a type of solar thermal collector that operates similarly to a parabolic dish, but instead of using a tracking parabolic mirror with a fixed receiver, it has a fixed spherical mirror with a tracking receiver. The solar collector prototype proposes a solution to solve these kinds of issues and use sunlight to work it. Optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals 715 is carried out to improve the overall performance of system. Do you know concentrating solar power technology can power the entire world. The parabolic dish was selected as the collector most likely to maximize energy collection as required by this specific site. 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.
A major intent of the study was to define wind load reduction factors for collectors within a field resulting. Design, construction and testing of a parabolic solar steam generator joshua folaranmi 120 parabolic dish. If the design is successful, the parabolic solar collector device can be marketed to the millions of household owners. A complete design and simulation of a parabolic dish solar cooker was carried out. Design and fabrication of parabolic solar collector. With a parabolic dish collector, one or more parabolic dishes concentrate solar energy at a. The incident solar radiation falling on the collector is utilized for pipe heating. These engines became the predecessors of modern parabolic dish collectors for concentrated solar power applications. Kalogirou department of mechanical engineering, higher technical institute, p. Performance evaluation of parabolic dish type solar collec tor 91 figure 9 variation of collector efficiency, beam ra diation with wind velocity throughout the day see online version for colours. Solar thermal collectors and applications soteris a.
Market development of glazed water collectors between 2000 and 2017. The present study has been conducted using nanofluids and molten salts for energy and exergy analyses of two types of solar collectors. 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. Parabolic dish csp technology parabolic dish geometry concentrates light in a single focal point, i. The difference here being that it is a 12foot wide dish. 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. Solar tracking for a parabolic dish used in a solar thermal brayton cycle w. Approximately a 700 watt solar heat input is required to operate the engine which rated power output is 2 watt 1. Parabolic dish concentrating collector for indirect solar cooking amos veremachi. Parabolic trough collectors are frequently employed for solar steamgeneration because temperatures of about 300 can be obtained without any serious degradation in the collector s efficiency. Lowcost concentrating solar collector for steam generation by john dascomb a thesis submitted to the department of mechanical engineering in partial ful llment of the requirements for the degree of master of science degree awarded. By looking at the integrated system, a keyrole is played by the solar receiver, whose function is the absorption of the concentrated solar radiation and its transfer to the heat transfer fluid. They have a concentration factor of solar energy of c c 20100. Easiest way to make a parabolic solar collector is bamboo basket.
A typical parabolic dish collector has a dish of 6 m diameter. This article communicates thermal performance of a low cost solar parabolic dish collector. Concentrating collectors seminar report, ppt, pdf for. Volumetric solar receiver for a parabolic dish and microgas. Performance assessment of parabolic dish and parabolic trough. Development of a solar concentrator with tracking system. Pdf abstractsolar collector in the shape of a parabolic mirror reflects the incident solar energy on the. Design and construction of a solar collector parabolic dish. Also explore the seminar topics paper on concentrating collectors with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2015 2016. Design, construction and testing of a parabolic solar. The global need for energy is constantly increasing and makes it inevitable to reinforce the use of alternative resources. Parabolic solar collector ayush khare 1, sachin saxena, c h tyagi1 and sanjeev kumar1 corresponding author.
Apr 06, 2017 how to properly install wiring for a 24v minn kota trolling motor with a circuit breaker. This is the concave dish made of wood and lined with an aluminium sheet. How to make parabolic solar collector instructables. I, hamza werzgan, sincerely state that i have applied ethics to. Its uses do not contribute to emission of greenhouse gases and other pollutants to the environment. 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. Tower, trough, fresnel or dish posted on june 12, 2018 september 21, 2019 author 48 comments all concentrating solar power csp technologies use a mirror configuration to concentrate the suns light energy onto a receiver and convert it into heat. Prototype has been built and is being tested at solar energy center of. Focus, heat losses, solar concentrator, thermal efficiency, temperature. This paper presents the development of a solar parabolic dish collector prototype for rural areas with high solar resource. Loads on isolated collectors and on collectors within a fi e 1 d of collectors were obtained.
The site can be a bit of a challenge to find stuff on, but its worth the effort. Sep 30, 2010 for solar sterilization in rural hospitals, industrial solar cooking and solar thermal pumps, practica developed a new manufacturing process to build solar collectors. Nov 06, 2008 diy solar project takes shape when i wrote about denise and dan rojas video of their diy solar collector theyre building from an old satellite dish, commenter luke asked what they were going. The parabolic trough reflector is a solar energy collector designed to capture the suns direct solar radiation over a large surface area and focus or concentrate it onto a small focal point area, increasing the solar energy received by more than a factor of two. The purpose of this study was to define mean and peak wind loads on parabolic dish solar collectors. The outlet temperature of the fluid from the collector. Heliostat field collector hfc point 1001500 1502000 twoaxes parabolic dish reflector pdr point 100 100500 tracking. A parabolic dish reflector pdr, shown schematically in figure 3. The parabolic trough solar collector is developed using easily and locally accessible materials.
347 276 880 602 68 1636 1059 1486 1568 1039 1407 504 652 521 1593 1238 104 466 1044 428 1644 1067 620 1073 1149 600 422 1415 644 329 1192 1375 732 164 1262 197 1332 610 570 183 381