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A refrigerant is a liquid which vaporizes at a lower temperature than the space
to be cooled. Heat then flows from the cool space (downhill) and vaporizes the refrigerant....(more)
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By brilliant abstract thought the French physicist ......perceived that the difference in temperature levels is what determines
the amount of work that can be obtained from flow of heat....(more)
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Calculate the efficiency of the process and the amount of cooling. A computer program dedicated
to this approach....(more)
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How to heat the house with heat from the garden.
Turning refrigeration on its head.
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