As explained in the previous problem, the ammonia absorption cycle is very similar to the setup sketched
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As explained in the previous problem, the ammonia absorption cycle is very similar to the setup sketched in Problem 9.110. Assume the heat engine has an efficiency of 30% and the COP of the refrigeration cycle is 3.0. What is the ratio of the cooling to the heating heat transfer QL/Q1?
Data from Problem 9.110
A refrigerator using R-410a is powered by a small natural gas-fired heat engine with a thermal efficiency of 25%, as shown in Fig. P9.110. The R-410a condenses at 40◦C and evaporates at −20◦C, and the cycle is standard. Find the two specific heat transfers in the refrigeration cycle. What is the overall COP as QL/Q1?
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Related Book For 
Fundamentals Of Thermodynamics
ISBN: 9781118131992
8th Edition
Authors: Claus Borgnakke, Richard E. Sonntag
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