Solar dish engine pdf

Pdf modeling and simulation for different parabolic dish stirling engine designs have been carried out using matlab. Solar dishengine systems convert the energy from the sun into electricity at a very high efficiency. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Engines the engine in a dishengine system converts heat to mechanical power in a manner similar to conventional engines, that is by compressing a working fluid when it is cold, heating the compressed working fluid, and then expanding i t. Solar stirling engine with the help of a large dish of mirrors, the solar stirling engine can use the concentrated heat from the sun as fuel to produce work. A thermal receiver, a series of tubes filled with a cooling fluid such as hydrogen or helium, sits between the dish and the engine. Solar parabolic dish stirling engine system design, simulation, and thermal analysis article pdf available in energy conversion and management 126. Concentrated solar energy was considered as a potential heat source, but had to be replaced by a propane burner due. Unfortunately the lens is sosmall that it cant produce any useful amounts of electricity. The scottish inventor robert stirling invented the engine in. The suncatcher is comprised of a concentrator and a power conversion unit pcu. Pdf solar parabolic dish stirling engine system design.

This apparatus consists of a large dish that concentrates solar energy to a focal point at the center of the dish. Parabolic trough solar technology is employed at kramer junction. At present, concentrated solar power technologies majorly include the solar tower system, dishstirling concentrated solar power system. Thermal model of the eurodish solar stirling engine. The engine design should be that of a gammaconfiguration, doubleacting, vertical, ltd stirling engine. Parabolic dish systems use satellitelike mirror dishes to focus the light onto a singlecentral receiver in front of the mirror. Electrical power generated with the heat from the sun, called solar thermal power, is produced with three types of concentrating solar systems trough or linefocus systems. By jason deign it is probably fair to say solar thermal dish stirling technology had its finest moment around october 2010. A compendium of solar dishstirling technology dtic. Sun powered stirling engine with 2 axis autotracking. Solar thermal power generation utilizes the sun as a heat source which can drive a heat engine for power production by concentrating technologies 1. The solar stirling engine operates with heat input from the sun that is focused by the suncatchers dish assembly mirrors onto the pcus solar receiver tubes which contain hydrogen gas. To investigate the feasibility of green power sources for the stirling engine, a parabolic dish was constructed using a wooden frame, a mylar emergency blanket for a reflector, and caulking sealant.

Ideal pressurevolume and temperatureentropy charts of the. Stirling engine in conjunction with solar concentrator 11 figure 3. An old damaged satellite dish purchased from a scrap yard was used. Inside this unit, a fluidfilled thermal receiver is heated to power a small electricitygenerating turbine. Solar energy is one of the more attractive renewable energy sources that can be used as an input energy source for heat engines. The size of the concentrator is determined by its engine. The dish engine system is a concentrating solar power csp technology that produces smaller amounts of electricity than other csp technologiestypically in the range of 3 to 25 kilowattsbut is beneficial for modular use. The receiver transmits the energy to an engine that generates electric power. An efgt integrated with a solar receiver is known as a dishbrayton.

Pdf a prototype model for generating electricity using. Pdf design of a solar dish stirling cogeneration system. Essentially the system consists of the following components. Comprehensive design of stirling engine based solar dish. Infinias system is the worlds first stirlingbased solar power generation system suitable for automotive scale manufacturing. Concentrating solar power market by technology parabolic. It takes about an hour for the steam turbine to heat up, once the unit is placed in direct sunlight. His invention combines a heat engine, such as a stirling cycle engine, with a solar dish collector to produce electricity.

Solar parabolic dish stirling engine system design. Dishengine system concentrating solar power basics. Concentrating solar power csp, also referred to as solar thermal power, uses mirrors to concentrate the suns rays to heat a fluid that is then used to generate electricity, often using conventional steam turbines. The viability of dish stirling csp was demonstrated in. The 9m solar concentrator is designed to automatically track the sun and collect the suns energy and focus x concentrating solar energy onto a solar stirling engine receiver which in turn converts the focused solar thermal energy into gridquality electricity. Dishshaped mirrors concentrate light onto a power conversion unit. Stirling engine technology for parabolic dishstirling. That was when the us department of the interior cleared stirling energy systems ses and its development partner tessera solar to build two major plants using the technology.

Palavras worked on the development and performance characteristics of a low cost dish solar concentrator and its application in zeolite desorption. Dishengine systems convert the thermal energy in solar radiation to mechanical energy and then to electrical energy in much the same way that conventional. In addition, the variations of the fossil fuel prices and the increase in. A solar powered stirling engine is a heat engine powered by a temperature gradient generated by the sun.

Parabolic dish csp technology parabolic dish geometry concentrates light in a single focal point, i. View the concentrating solarthermal power fact sheet pdf. The pcu solar receiver is an external heat exchanger that absorbs the incoming solar thermal energy. See how a stirling engine works or download a powerdish spec sheet pdf. Solar dishengine systems convert the ener gy from the sun into electricity at a very high efficiency. Engines the engine in a dish engine system converts heat to mechanical power in a manner similar to conventional engines, that is by compressing a working fluid when it is cold, heating the compressed working fluid, and then expanding i t. An economic parabolic dish concentrating system was built at the sustainable energy. With a magnification of x and temperatures up to 800 celsius, the heat generated. Design of a stirling engine for electricity generation. A compendium of solar dishstirling technology osti. This system, named as the suncatcher below, right, was developed by stirling energy systems inc.

Solar stirling system produces electricity by using parabolic collector and stirling engine. It absorbs the concentrated solar energy from the dish, converts it to heat and sends that heat to the engine where it becomes electricity. How to build the solar steam engine generator gone. Stirling engines are mechanical devices working theoretically on the stirling cycle, or its modifications, in which compressible fluids, such as air, hydrogen, helium, nitrogen or even vapors, are. Pdf comprehensive design of stirling engine based solar dish. Lowcost concentrating solar collector for steam generation. The trouble with dish stirling csp new energy update. The stirling engine uses the heat from the sun in order to rotate and produce electrical energy. Thanks and congratulations for the rebirth of dish stirling csp. This paper presents an investigation on finite time thermodynamic ftt evaluation of a solar. A special case of the third type of system, a dishstirling system, is the. Solarelectric dish stirling system development unt. Dish engine systems use a parabolic dish of mirrors to direct and concentrate sunlight onto a central engine that produces electricity. Technical information on the engines used or to be used in dishstirling systems is.

Lowcost concentrating solar collector for steam generation by john dascomb a thesis submitted to the. Using a mirror array formed into the shape of a dish, the solar. Therefore, designing a solar dish with small to moderate size with low cost to generate direct electricity is an important issue. The dishstirling system dishstirling systems transfer concentrated solar radiation with high efficiencies into electrical energy. Mechanical design of a low cost parabolic solar dish. An additional 4 gigawatts has been deployed internationally. They so far have the highest heatelectricity conversion efficiencies among all csp designs up to 30 %. Solar stirling engine one parabolic dishstirling engine systemhas been in operation at the engineering school of seville since march 2004.

Pdf solar parabolic dish stirling engine system design, simulation. Slide the parabolic solar heating dish underneath the steam turbine, on the steam turbine end of the generator. Solar power now abb sharyland dedication seminar 101107 23 the suncatcher pcu will use the kockums stirling engine design 9ses will use the kockums stirling engine design for solar two which is the same design used by kockums in its submarine propulsion system. A solar dishengine system is an electric generator that burns sunlight instead of gas. Sunslab snapshot solar dishengine systems solar dishengine systems are currently being developed for application in highvalue remote power, distributed generation, green power, and other gridconnected markets. Pdf energy crises refers to any shortfall in the supply of energy resources to an economy. How do solar parabolic dishes work solar power world. Of all of these technologies the solar dishstirling engine has the highest energy efficiency. In solar power plant applications that require only direct heat to power a system such as a stirling engine, the solarbeam focuses all the concentrated solar power on the receiver head of the stirling engine. Since, during twothirds of the day, solar energy is not available, solarfuel hybrids are needed.

Since the late 1970s, the development of dishstirling systems intended for commercial use has been in progress in germany, japan, and the us. The maximum solar dish stirling engine output power estimation is 9707 w at 12. Solar dishstirling engine, rhombic drive and hybrid receiver stirling engines are again. Parabolic dish systems use satellitelike mirror dish es to focus the light onto a singlecentral receiver in front of the mirror. A prototype model for generating electricity using solar parabolic dish, stirling engine and solar. Solar concentrator with solar stirling engine solartron. At zewail city of science and technology, egypt, for a 10 kw stirling engine. Dishstirling is a solar thermal electric technology which couples parabolic, pointfocusing solar collectors and heat engines which employ the stirling thermodynamic cycle. Csp dish engines, which provide high solar concentration and are in use globally, currently hold the world record for solar toelectric system efficiency at 31.

The unit, based on the eurodish system, is one of the several country reference units of the envirodish project. Using a mirror array formed into the shape of a dish, the solar dish focuses the suns rays onto a receiver. Modeling and analysis of a hybrid solardish brayton engine. Energy market consumption is expected to increase by 44% from 2006 to 2030, mostly because of the lifestyle standards evolution, and development of industries and economics. Stirling engine project summer 2009 research paper. This allows this type of collector to achieve the highest concentration ratios. How a solar stirling engine works with the 9m solar concentrator. The powerdish is scalable from small arrays to multimws deployed in utilityscale solar power plants. Optimization of output power and thermal efficiency of.

The dishengine system is a concentrating solar power csp technology that produces smaller amounts of electricity than other csp technologiestypically in the range of 3 to 25 kilowattsbut is beneficial for modular use. Dishengine systems use a parabolic dish of mirrors to direct and concentrate sunlight onto a central engine that produces electricity. Ftts has been applied to determine the output power and the corresponding thermal efficiency, exergetic efficiency, and the rate of entropy generation of a solar stirling system with a finite rate of heat transfer, regenerative heat loss, conductive thermal bridging loss. Final report on the operation and maintenance improvement. This engine should be powered both by solar energy and heat from any combustible material. The first design of the stirling engine was a beta design t.

A single solar dishstirling engine installed at sandia national laboratories national solar thermal test facility nsttf produces as much as 25 kw of electricity, with a conversion efficiency of 31. The paper takes into consideration different samples to show the solar dish design. Schematic which shows the operation of a heatpipe solar receiver. Design of a stirling engine for electricity generation a major qualifying project. This a solar powered stirling engine that uses a fresnel lens to concantrate the sun and produce power.

The mirrored collectors track the sun from east to west during the day, to ensure that the is sunlight continuously focused on a linear receiver. The imperial valley solar and calico projects would have summed almost. In fact, any heat energy sources can be used with the stirling engine. Pdf comprehensive design of stirling engine based solar dish power plant with solar tracking system find, read and cite all the research. A compendium of solar dishstirling technology technical.