Water vapor enters a valve with a mass flow rate of 1 kgs, Mechanical Engineering

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Water vapor enters a valve with a mass flow rate of 1 kgs

Water vapor enters a valve with a mass flow rate of 1 kg/s at a temperature of 260 degrees C and a pressure of 3.5 MPa, and undergoes a throttling process to 2.75 MPa (T0=25, P0=100kPa).

1) Determine the total flow EXERGY rates at the valve inlet and exit, and the rate of EXERGY destruction (all in kW).

2) Evaluating EXERGY at $0.08/kWhr, determine the annual cost associated with the EXERGY destruction, assuming 8000 hours of annual operation.

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Mechanical Engineering: Water vapor enters a valve with a mass flow rate of 1 kgs

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Mechanical Engineering: Water vapor enters a valve with a mass flow rate of 1 kgs

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