A steam power plant, which can be modeled as a heat engine, is to reject heat to cooling water at 295 K. Plot the maximum possible thermal efficiency of the power plant for heat input temperatures ranging between 500 K and 800 K.
Given: TC = 295 K
For a heat engine, nmax = 1 – TC/TH . For the range of temperatures for the high-temperature reservoir:
Higher heat input temperatures allow for higher possible efficiencies.
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