The thermal efficiency of a simple Rankine cycle operating on steam power is 23.3%.
The thermal efficiency of an engine is a measure of how efficiently it converts the energy in fuel into useful work output. It is calculated by dividing the work output of an engine by the energy input of the fuel. The higher the thermal efficiency, the more efficient the engine is at converting fuel into useful work.
The thermal efficiency of a simple ideal Rankine cycle operating on steam power is given by:
Efficiency = (Net Work Output/Heat Input) x 100
Efficiency = (700 kJ/kg)/(3000 kJ/kg) x 100
Efficiency = 23.3%
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