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Solar Cooling Systems

Solar air conditioning refers to any air conditioning (cooling) system that uses solar power.This can be done through passive solar, solar thermal energy conversion and photovoltaic conversion (sun to electricity). We can also supply solar Refrigerators and Deep Freezers. The beauty of Solar Refrigeration is you no longer need electricity to keep your valuable food and medicine, as long as you have sunlight you can operate a solar refrigerator. 

Photovoltaics: can provide the power for any type of electrically powered cooling be it conventional compressor-based or adsorption/absorption-based, though the most common implementation is with compressors which is the least efficient form of electrical cooling methods.

Passive Solar: In this type of cooling solar thermal energy is not used directly to create a cold environment or drive any direct cooling processes. Instead, solar building design aims at slowing the rate of heat transfer into a building in the summer, and improving the removal of unwanted heat. It involves a good understanding of the mechanisms of heat transfer: heat conduction, convective heat transfer, and thermal radiation, the latter primarily from the sun.

Solar Thermal Energy Conversion: Thermal mass materials store solar energy during the day and release this energy during cooler periods. Common thermal mass materials include stone, concrete, and water. The proportion and placement of thermal mass should consider several factors such as climate, daylighting, and shading conditions. When properly incorporated, thermal mass can passively maintain comfortable temperatures while reducing energy consumption. A solar chimney (or thermal chimney) is a passive solar ventilation system composed of a hollow thermal mass connecting the interior and exterior of a building. As the chimney warms, the air inside is heated causing an updraft that pulls air through the building.

 

 



 

Last Updated ( Wednesday, 01 February 2012 08:44 )
 


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