The parabolic dish reflector consists of even curvilinear trapezoel idal reflective petals constructed by poly methyl methacrylate with silvered mirror. 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. Parabolic solar collector ayush khare 1, sachin saxena, c h tyagi1 and sanjeev kumar1 corresponding author. Volumetric solar receivers constitute a novel and promising solution for. 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. Parabolic dish concentrating collector for indirect solar. This article communicates thermal performance of a low cost solar parabolic dish collector.
Approximately a 700 watt solar heat input is required to operate the engine which rated power output is 2 watt 1. In this paper a parabolic dish collector system was designed for hot water generation and simulation of dish collector was also done. 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. The parabolic trough solar collector is developed using easily and locally accessible materials. The construction used will remind many of the satellite dishes used for services such as sky and is called a parabolic collector.
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. How do solar parabolic dishes work solar power world. 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. The equipment is well characterized with over 50,000 hours of onsun time. Parabolic dish concentrating collector for indirect solar cooking. Table 1 cost of subsidiary requirements requirement cost incurred safe. The shenandoah parabolic dish solar collector sandia national. Easiest way to make a parabolic solar collector is bamboo basket. Design, construction, and test of a miniature parabolic. Method of a given focus and directrix was employed in the construction of the parabolic dish.
Parabolic trough collector technology abengoa solar. 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. A scm could have a length up to 15 metres 49 ft 3 in or more. 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. Lowcost concentrating solar collector for steam generation by john dascomb a thesis submitted to the. Pdf performance evaluation of parabolic dish type solar.
Research team rizwan masood, student of chemical engineering department, uet lahore. The solar dish stirling technology is well beyond the research and development phase, with more than 20 years of recorded operating history. Water distillation system using parabolic dish solar collector. Solar tracking for a parabolic dish used in a solar thermal brayton cycle w. Water distillation system using parabolic dish solar. These are concentrating systems of linear focus fig. 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. 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. Pdf solar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the solar collector. The sun is one of the richest energy sources in this context and is almost inexhaustible. A parabolic dish reflector pdr, shown schematically in figure 3. Prototype has been built and is being tested at solar energy center of.
Duanes redrok site is information central for diy heliostats and concentrating solar collectors. This paper presents the development of a solar parabolic dish collector prototype for rural areas with high solar resource. Compound parabolic concentrator iv list of figures diagrams. Flat plate versus evacuated tube solar collectors pdf. Regeneration of soild desiccant by solar parabolic dish. 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. 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. 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. This reduces efficiency, but makes it cheaper to build and operate.
Performance analysis methodology for parabolic dish solar. The megawatt system mws solar dish concentrator a high efficiency 2axis tracking concentrator. Design and fabrication of parabolic solar concentrator with sole objective to define future projects to save natural gas 29jul08 2rizwan masood. The cooker can be used fo r boiling water as well as cooking in an isolation. Diy parabolic mirror solar reflector project youtube.
To demonstrate such problem a parabolic dish solar collector is designed to provide energy to the ltd stirling engine for small scale power generation. Development of a solar concentrator with tracking system. For this purpose, tracking mechanisms similar to the ones described in the previous. Cermak fluid mechanics and wind engineering program colorado state university fort collins, colorado november 1988 seri technical monitor. About a dozen or more of scm make each sca up to 200 metres 656 ft 2 in length. Manual making of a parabolic solar collector gang xiao laboratoire j. Ali abu ghalia belal abu teba massoud alnajjar supervisor. A typical parabolic dish collector has a dish of 6 m diameter.
Performance evaluation of flat plate collector watt the useful heat output of a flatplate solar collector is given by 18. Diy solar collector from old satellite dish treehugger. Compound parabolic collector an overview sciencedirect. 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. There are many different types of concentrating solar collectors. 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. A major intent of the study was to define wind load reduction factors for collectors within a field resulting. The present study has been conducted using nanofluids and molten salts for energy and exergy analyses of two types of solar collectors.
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. It could also run on a single brayton cycle, where air, helium or other gas is compressed, heated and expanded into a turbine. The global need for energy is constantly increasing and makes it inevitable to reinforce the use of alternative resources. A parabolic trough employs parabolic mirrors that act as collectors can be coated silver or polished for more efficiency. 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. Best for fast parabolic dish collector, one or more parabolic dishes concentrate solar energy at a single focal point. The outlet temperature of the fluid from the collector. The parabolic dish was selected as the collector most likely to maximize energy collection as required by this specific site. 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. Performance analysis of parabolic solar dish collector for.
Pdf an overview on parabolic trough solar collectors. 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. The purpose of this study was to define mean and peak wind loads on parabolic dish solar collectors. Abst concentrating collector comprising a 2000 mm diameter, and.
The site can be a bit of a challenge to find stuff on, but its worth the effort. The goal of this paper is to present the optical and the thermal analysis of a parabolic dish concentrator with a spiral coil receiver. Pdf steam generation by using solar dish collector. Performance assessment of parabolic dish and parabolic trough. Loads on isolated collectors and on collectors within a fi e 1 d of collectors were obtained.
Nov 25, 2010 parabolic trough solar concentrator 1. A solar thermal collector collects heat by absorbing sunlight. 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. Pdf in the present work, the performance of aluminum oxide and. These engines became the predecessors of modern parabolic dish collectors for concentrated solar power applications. Most of the larger dishengine systems use this method of tracking.
There are good designs here that can be built on a budget and without exceptional mechanical skills. Wind loads on heliostats and parabolic dish collectors final subcontract report j. A complete design and simulation of a parabolic dish solar cooker was carried out. 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. Parabolic dish csp technology parabolic dish geometry concentrates light in a single focal point, i. 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. Explore concentrating collectors with free download of seminar report and ppt in pdf and doc format. This article presents the performance of a solar parabolic concentrator coupled to a te module. A dish engine system is a standalone unit composed primarily of a collector, a receiver, and an engine see fig. The dish structure must fully track the sun to reflect the beam into the thermal receiver.
Ibrahim 2012 designed and developed a parabolic dish solar water heater for domestic hot wa ter applications. They can be used for desalination, cooling, and production of electricity. The solar collector prototype proposes a solution to solve these kinds of issues and use sunlight to work it. Lowcost concentrating solar collector for steam generation. Kalogirou department of mechanical engineering, higher technical institute, p. 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. Prototype has been built and is being tested at solar energy center of ministry of new and renewable energy mnre. Yeah do you want to make a working model of parabolic solar collectors or parabolic solar. Pdf performance evaluation of nanofluid on parabolic trough solar. A parabolic trough is made of a number of solar collector modules scm fixed together to move as one solar collector assembly sca. In this paper work the performance analysis of parabolic solar dish collector is done with the use of different reflecting materials. 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. European research on concentrated solar thermal energy.
Parabolic dish solar thermal system solar hydrogen. Design, construction and testing of a parabolic solar steam. 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. 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. An economic parabolic dish concentrating system was built at the sustainable energy science and engineering center sesec at florida state university in tallahassee, florida. A wide variety of parabolic solar collector options are available to you, such as pressurized, evacuated tube, and nonpressure. The solar production of hydrogen performed with photocatalysis methods is based mainly on concentrated solar collectors, as compound parabolic collectors.
This is the concave dish made of wood and lined with an aluminium sheet. Its uses do not contribute to emission of greenhouse gases and other pollutants to the environment. Volumetric solar receiver for a parabolic dish and microgas. In order to boil water with solar energy, we propose to design and conceive a parabolic solar collector. Design and construction of a solar collector parabolic dish.
Apr 06, 2017 how to properly install wiring for a 24v minn kota trolling motor with a circuit breaker. With a parabolic dish collector, one or more parabolic dishes concentrate solar energy at a. 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. Optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals 715 is carried out to improve the overall performance of system. Parabolic dish concentrating collector for indirect solar cooking amos veremachi. If the design is successful, the parabolic solar collector device can be marketed to the millions of household owners. Through a polished stainless steel parabolic dish, solar radiation is. The dish structure must track fully the sun to reflect the beam into the thermal receiver as. Mechanical design of a low cost parabolic solar dish concentrator. They so far have the highest heatelectricity conversion efficiencies among all csp designs up to 30 %. Concentrating solar power technology is introduced during 18s. 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. In this work, two new compound parabolic trough and dish solar collectors are presented with their working principles.
They have a concentration factor of solar energy of c c 20100. Pdf abstractsolar collector in the shape of a parabolic mirror reflects the incident solar energy on the. Heliostat field collector hfc point 1001500 1502000 twoaxes parabolic dish reflector pdr point 100 100500 tracking. Concentration ratio is defined as the aperture area divided by the receiverabsorber area of the collector. Presentation of the new parabolic collector designs in this work, two new models are presented that their functions are based on blackbody theory.
Market development of glazed water collectors between 2000 and 2017. Solar thermal collectors and applications soteris a. Electricity generation from a solar parabolic concentrator. The difference here being that it is a 12foot wide dish. I, hamza werzgan, sincerely state that i have applied ethics to. Wind loads on heliostats and parabolic dish collectors. The first patent for solar collector is invented by mr. Solar tracking for a parabolic dish used in a solar. How to make parabolic solar collector instructables. 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. Focus, heat losses, solar concentrator, thermal efficiency, temperature. Box 20423, nicosia 2152, cyprus received 18 june 2003.
The two new designs of parabolic compound solar collector are. Do you know concentrating solar power technology can power the entire world. Design, construction and testing of a parabolic solar. In the polar trackin g method, the collector rotates about an axis parallel to the earths axis of rotation. Solar tubular receiver in parabolic trough concentrators, j. 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. Concentrating collector an overview sciencedirect topics. It was designed to provide 40 litres of hot water a day. This allows this type of collector to achieve the highest concentration ratios among all other type of solar collectors. Concentrating collectors seminar report, ppt, pdf for. Water distillation, saline water, solar dish collector, parabolic dish collector, coastal area. Types of concentrating solar collectors your electrical. Auguste mouchout is the first person that use the parabolic trough technique to produce steam for steam engine in 1866. In these models, the sun rays are concentrated on linear path after reflecting from two faces.
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. 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. The incident solar radiation falling on the collector is utilized for pipe heating. 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. Bringing you a prosperous future where energy is clean, abundant, reliable, and. Since 1984, the solar dish stirling equipment has held the worlds efficiency record. 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. The size of the concentrator is determined by its engine. The parabolic dish collector is developed from low cost technology and is tested in the outdoors on a. Optical design of a solar parabolic concentrating collector. Parabolic dish reflector pdr point 100 100500 heliostat field collector hfc point 1001500 1502000 note. 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.
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