A furnace, shown in Fig.P5.115, can deliver heat, Q H1 , at T H1 , and it
Question:
A furnace, shown in Fig.P5.115, can deliver heat, QH1, at TH1, and it is proposed to use this to drive a heat engine with a rejection at Tatm instead of direct room heating. The heat engine drives a heat pump that delivers QH2 at Troom using the atmosphere as the cold reservoir. Find the ratioQH2/QH1 as a function of the temperatures. Is this a better set up than direct room heating from the furnace?
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The ratio QH2QH1 is equal to TroomTatmTH1Tatm This set up is more efficient than di...View the full answer
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Related Book For 
Fundamentals Of Thermodynamics
ISBN: 9781118131992
8th Edition
Authors: Claus Borgnakke, Richard E. Sonntag
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