Mechanical engineering question thermo?
Calculate the efficiency of a Carnot heat engine operating between a high temperature reservoir at 905 C and a low temperature reservoir at 49 C. Enter your answer in percent to one decimal place.
Calculate the efficiency of a Carnot heat engine operating between a high temperature reservoir at 905 C and a low temperature reservoir at 49 C. Enter your answer in percent to one decimal place.
oeman50
The Carnot efficiency is defined as 1 - Tcold/Thot. So all you need to do is convert the temperatures into absolute and calculate:
1 - (322K/1178K) = 0.727, Converting to % = 72.7%