A solar-powered heat pump receives energy as heat from a solar collector at T H , rejects
Question:
A solar-powered heat pump receives energy as heat from a solar collector at TH, rejects energy as heat to the atmosphere at TA, and pumps energy as heat from a cold space at TC. Derive an expression for the minimum ratio Q̇H/Q̇C, in terms of the three temperatures. If TH = 350 K, TA = 290 K, TC = 200 K, and Q̇C = 10 kW, what is the minimum area of the collector that is required (in m2)?
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The energy balance of the system is QHQc QA 9PsA QA TH By combining the two equations it ...View the full answer
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Ali Khawaja
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Related Book For 
Thermodynamics Fundamentals And Engineering Applications
ISBN: 9780521862738
1st Edition
Authors: William C. Reynolds, Piero Colonna
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