Heat Pump
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작성일 19-06-17 19:54
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Download : Heat Pump.hwp
순서
Heat Pump , Heat Pump기타레포트 , Heat Pump
Heat Pump
Heat Pump
레포트/기타
Heat,Pump,기타,레포트
Download : Heat Pump.hwp( 23 )
설명
Experiments on the Heat Pump System
1. Introduction
Refrigeration is the process of removing heat from an enclosed space or from a substance. The primary purpose for refrigeration has always been to preserve food, with air conditioning a strong second in developed nations in the latter decades of the 20th century.
Mechanical refrigeration relies on the cooling effect of the rapid expansion of gas, typically Freon or some other inert substance. The first known artificial refrigeration was demonstrated in 1748 in Scotland by William Cullen, but it would bo over a century before an American, Alexander C. Twinning, would create the first practical commercial application of refrigeration in 1856. Several years later refrigerators were introduced in the meatpacking and brewing industries, and by 1914 their use was widespread. Home-use refrigerators were introduced in the 1920s.
Refrigeration is one of the most important technological innovation in human history, and much of …(To be continued )
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