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HW13 - f no combustion Choose a process for which one of...

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Spring 2006 1 ME 201 Thermodynamics Homework 13 Due Friday, March 17, 2006 1. A reversible process has been defined as a process, which having taken place, can be reversed and in so doing leaves no change in either the system or the surroundings. Six restrictions were imposed a. no friction b. heat transfer occurs only for infinitesimal temperature differences c. unrestrained expansion does not occur d. no mixing e. no turbulence
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Unformatted text preview: f. no combustion Choose a process for which one of these restrictions is relaxed and discuss how this process is not reversible. 2. Thirty five (35) kilograms of chicken is to be frozen in a household freezer. The chicken is at 15 ° C when it is placed in the freezer and reaches -20 ° C (well below the freezing point) in 3 hours. If the COP of the freezer is 4.3 during this process, determine the required power input (in kW)....
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