The quantum of energy in the universe is constant. Neither can man create energy nor can he destroy it. All that he can do is to discover new source of energy that the natural has provided and make it usable for his needs by new and more efficient ways of conversion.
A solar powered refrigerator using an intermittent ammonia-water absorption system as refrigeration in remote areas where electrical energy is not available is described in this paper.
In my present paper I have made an analysis of feasibility of utilization of solar energy in the Indian climatic condition to produce ice. An intermittent-ammonia-water cycle was found to be normally used for this purpose.
Solar energy is collected in flat plate collector and only two components are used for this refrigerator. One component as generator and absorber and other as condenser and evaporator Regeneration takes place during the day time and refrigeration at night. Ammonia is used as refrigerant..
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the following thread may helpful to you t get more.
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Solar-Powered Refrigeration System
Solar-powered refrigerators are most commonly used in the developing world to help mitigate poverty and climate change. The perishable goods such as meat and dairy are kept cool by harnessing the solar energy. imple components can be used to construct the refrigerator.This is very much useful in the areas where the electricity is unreliable or unavailable. Either batteries (electric refrigerators) or phase-change material is added to provide constant refrigeration.
How It Works
A typical solar refrigeration system contains a PV panel, vapor compressor, thermal storage and reservoir, and electronic controls. the conversion of
sunlight into DC electrical power is the process that makes the refrigeration possible. The compressor is driven by the DC power to circulate the refrigerant through a vapor compression refrigeration loop . This loop is responsible for extracting the heat from the insulated enclosure. thermal
reservoir and a phase change material is included in this enclosure. Also, an ice pack is created in the enclosure which maintains the temperature low even in the absence of sunlight.
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please send me the complete ppt on solar powered refrigerator with suggested photo with each slide .please comlete ppt within 12to 15 slide. sir please help me sir on email id surajbcet[at]gmail.com
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i want a ppt presentation of electrical and electronics.
Can u pls send me the full report for solar water cooler i liked this concept and wanted the whole information about the project
Plz send more details and pot for this ,, thnx alit
Plz send more details for this solar power refrigeration ,,, my mail I'd is sushil_nnn[at]yahoo.com, , thanxx