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Category > Business & Finance Posted 06 Nov 2017 My Price 18.00

MTHA 210 Analysis of a Carnot Heat Engine A Carnot heat engine

Analysis of a Carnot Heat Engine A Carnot heat engine, shown in Fig. 6–47, receives 500 kJ of heat per cycle from a high-temperature source at 6528C and rejects heat to a low-temperature sink at 308C. Determine (a) the thermal efficiency of this Carnot engine and (b) the amount of heat rejected to the sink per cycle. SOLUTION  The heat supplied to a Carnot heat engine is given. The thermal efficiency and the heat rejected are to be determined. Analysis  (a) The Carnot heat engine is a reversible heat engine, and so its efficiency can be determined from Eq. 6–18 to be hth,rev 5 1 2 TL TH 5 1 2 (30 1 273) K (652 1 273) K 5 0.672 That is, this Carnot heat engine converts 67.2 percent of the heat it receives to work. (b) The amount of heat rejected QL by this reversible heat engine is easily determined from Eq. 6–16 to be QL,rev 5 TL TH QH,rev 5 (30 1 273) K (652 1 273) K (500 kJ) 5 164 kJ Discussion Note that this Carnot heat engine rejects to a low-temperature sink 164 kJ of the 500 kJ of heat it receives during each cycle.         

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SmartExpert
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Status NEW Posted 06 Nov 2017 05:11 PM My Price 18.00

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file 1509989756-MTHA 210 Analysis of a Carnot Heat Engine A Carnot heat engine.xlsx preview (599 words )
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