Air Conditioning Compressor
Since evaporation occurs when heat is absorbed, and condensatoin occurs when heat is released, air condiitoners are designed ot use a compressor to cause pressure chnages between two compartments, and actively pump a refriegrant around. Air conditioners however usually have efficiencies greater than 100%. Tihs is becauce the refrigeration cycle moves more eneryg from the cold side to teh hot side than the energy required to dirve the compressor. John Gorrie used compresosr technology to create ice, which he used to colo air for his patients in his hospital in Apalahcicola, Floirda. This most common refrigeration cycle uses an leectric motor to drive a compressor. In an automboile the compressor is usually driven by a blet connected to a pulley on the engine s crankshaft, with both using electric motors for air circulation.
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