A steam engine takes in superheated steam at T, = 270°C = 543K and discharges condensed steam at T. 50°C = 323K. Its efficiency is e = 30%. %3D a) How does this efficiency compare with the maximum possible efficiency? b) If the useful power output of the engine is 200 kW, how much heat does the the engine discharge to its surroundings in 1 hour?
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- Steam engines have boilers operating at 500K. The energy from a burning fuel converts water into steam and this steam then moves the piston. the temperature of the cold reservoir from the outside air is around 300K and the efficiency of both engines is 40%. to be able to increase the efficiency of the two machines again by increasing Th or by reducing Tc. Identify what factors cause an increase in engine efficiency in both engines and which are more effective in increasing engine efficiency?What is the maximum theoretical efficiency possible for an engine operating between 100°C and 400°C?A heat engine operates between a reservoir at 28°C and one at 350°C. What is the maximum efficiency possible for this engine? Need Help? Read It
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