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A spacecraft power system generates electricity by absorbing heat from a nuclear reactor operating at 500 C an?

Oct 15, 2008 by MBK | Posted in Physics

A spacecraft power system generates electricity by absorbing heat from a nuclear reactor operating at 500 C and expelling heat from a radiator operating at 100 C. What is the theoretical maximum efficiency of the system? (temperatures must be in K,

500c = 773 K
100C = 373 K

Max efficiency = 1 - 373/773 = 51.7%

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