what is the maximum efficiency of a thermal engine working between an temperature of 400 C and 18 C?

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what is the maximum efficiency of a thermal engine working between an temperature of 400 C and 18 C?

2007-01-28 08:03:19 · 1 answers · asked by joy 1 in Science & Mathematics ➔ Engineering

1 answers

The maximum Thermal Efficiency of a reversible heat engine is 1-Tc/Th where Tc is the cold temperature and Th is the hot. Temperatures must be in Kelvin. Kelvin is 273 + Celcius. So the maximum efficiency is 1 - (273+18)/(273+400) = 57%

2007-01-28 08:15:57 · answer #1 · answered by rscanner 6 · 0⤊ 0⤋