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Stirling Plant 

This is a different solar energy generator called the Stirling Plant, it is a system that harnesses up to 12x more energy than the expensive solar photovoltaic energy systems.

 

 
 
Tags:  Stirling  solar power 
Views:  95
Published:  January 15, 2012
 
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Slide 1: ==== ==== Hello, please look at my site, thank you. http://ichingmax.com/ ==== ==== Solar thermal power plants are sources of electricity derived transforming solar energy into heat (as opposed to photovoltaics in which electricity is obtained directly). Given that no harmful products during the production of electricity, and have relatively good efficiency (20 - 40%), foretells the future of their lights. How is the amount of energy that falls on the surface extremely high, the construction of such plants in sunny areas (eg Sahara) could supply a large part of energy consumers, at least until we take economics into account. However, even on a small scale can become a very important factor (eg on islands). Concentrating solar thermal power plants Because of the need for high temperatures, almost all forms of solar thermal power plants must use some form of concentrating the sun's rays with a large space in a small area. As during the day the Sun in the sky changes, so it is constantly changing and best angle of the sun's rays falling on the mirror, so it is necessary to install systems that will constantly adjust their position. These systems are necessary in order to obtain a higher efficiency, but also the largest factor in the very high prices of solar thermal power plants. Reductions in cost are possible storage of heat, not electricity, because such technology is now cheaper and heat production is already essential to the operation of this type of power. Time can also get electricity and when it would not otherwise be possible (for a time of reduced insulation measure of the energy of solar radiation received or committed by a certain area at a given time). Types It is used today only concentrating solar thermal power (CSP - Concentrated Solar Plant). They consist of a mirror and a container of fluid to be heated, and this passes through the turbine or heat engine (eg Strilnigs engine). Given the diversity among the mirrors and the overall performance of the system can be divided into the following categories: Parabolic collectors They consist of a long series of parabolic mirrors (curved around a single axis) and the collector who is above them. Their advantage is a need to move the mirror only when the sun changes position in the orthogonal direction, while in a parallel shift it is not necessary because the light still falls on the collector. Through the collector current synthetic oil, molten salt or steam under pressure which is influenced by the sun's rays heat up. These panels can be carried out in vacuum glass to prevent heat loss by conduction and convection, and achieve efficiencies of 20%. Solar Towers
Slide 2: These plants have a large number of mirrors arranged around the central location of the tower. These systems achieve very high temperatures, making them more efficient in production and storage of energy. It also has the advantage that they do not require a flat area (it is possible to build on the hills), but because mirrors require the use of rotations around two axes, they raised the price. Solar Plates Because of the parabolic looks like a satellite dish, but of course much higher. Rays of light bouncing off the mirror, dropping a single point (the collector) which is above them. There are developing very high temperature, and for producing electricity using Stirling or steam engines. Because of the sliding mechanisms are needed frequent servicing, and the entire system requires a rotation around two axes and a set of parabolic mirrors, which are eventually reflected in the total cost of this system. Fresnel reflectors Using a series of long curved slightly or completely flat mirrors, and looks reminiscent of the parabolic collector. The system is designed so that several rows of mirror finish in the same sewer that leads to financial savings, and the mirror itself to revolve around only one axis. By targeting the mirror in different collectors at different times of day it is possible to set up a dense arrangement of mirrors, which produces more energy efficiency in spite of less than 20%. The entire project is as yet based on prototypes that were built in Belgium (SolarMundo) and Australia (CLFR). Solar power lifting Do not use mirrors, but a large glazed surface (just above), under which heats the air, at which point the tower. Because of the slope and the glass surface, the air goes to the tower where rotating turbine. The system requires very large dimensions and the factor of conversion of solar energy into heat is not particularly good, but this was offset by low investment costs. Mediumsized prototype was built in Spain in 1982 where they were collecting data next 7 years, until the intentional destruction of the tower due to problems with turbulence. Thermal energy storage The efficiency of these plants is increased by installing energy storage, which produces and reliability. These systems are based on thermal energy storage material in high energy density. Currently, such material is used as molten salt, which is an integral element of sodium - metal high energy density. Also today, using steam under high pressure (50 bar at 285 C), but the retention period is only one hour. The power plant in Cloncurry (Australia) will use purified graphite, when it will be built. If you wan't to build your own solar panel for the home and solve your heating problems then this information about solar paneling will help you.
Slide 3: Article Source: http://EzineArticles.com/?expert=Daniel_Hadden

   
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