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An aircraft engine takes in 9000 J of heat and discards
Chapter 20, Problem 2E(choose chapter or problem)
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Questions & Answers
QUESTION:
An aircraft engine takes in 9000 J of heat and discards 6400 J each cycle. (a) What is the mechanical work output of the engine during one cycle? (b) What is the thermal efficiency of the engine?
ANSWER:Solution 2E Step 1: Mechanical work output is QH = 9000 J W =16400 J Hence we have Total mechanical work is s\ W=QH W 1 W = 9000 J 6400 J = 2600 J Mechanical output is 2600 J
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