A constant temperature of 125C must be maintained in a cryogenic experiment, although it gains 120 W

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A constant temperature of −125◦C must be maintained in a cryogenic experiment, although it gains 120 W due to heat transfer. What is the smallest motor you would need for a heat pump absorbing heat from the container and rejecting heat to the room at 20◦C?

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Fundamentals Of Thermodynamics

ISBN: 9781118131992

8th Edition

Authors: Claus Borgnakke, Richard E. Sonntag

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