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REFRIGERATOR /HEAT ENGINE/ HEAT PUMP CLASS NOTES

REFRIGERATOR/HEAT ENGINE/  HEAT PUMP CLASS NOTES Heat engine converts heat into mechanical motion/electricity. Refrigerator produces cooling effect. Heat pump produces heating effect.   Q. COMPARE HEAT ENGINE, REFRIGERATOR AND A HEAT PUMP WHEN WORKING ON CARNOT CYCLE OR REVERSE CARNOT CYCLE Heat Engine ηheat engine = (TH—TL)/TL COP refrigerator  = TL/(TH–TL) COP heat pump =Th/(TH–TL) In…