Determine mean effective pressure and thermal efficiency
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Determine the mass flow rate through the boiler needed for this system to produce a net 5000 kW of power and the thermal efficiency of the cycle.
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At the beginning of compression, P1 = 85 kPa and T1 = 305 K. The mass of air is 2 g. and the maximum temperature in the cycle is 960 K. Determine: the mean effective pressure, in kPa.
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A 2,021-kg car is moving down a road with a slope (grade) of 13% while slowing down at a rate of 3.4 m/s^2. What is the direction and magnitude of the frictional force? (define positive in the forward direction, i.e., down the slope)?
At the beginning of the compression process, the pressure and temperature are P1 = 0.1 MPa and T1 = 300 K. The cut-off ratio for the cycle is 2.
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