A medium size power station is used to produce 30 MW net power for a refinery. The station uses steam as the operating fluid and operates according to the Carnot cycle between the pressure limits of 0.4 bar and 35 bar. Steam enters the boiler as a saturated liquid and leaves it as a dry saturated vapour. (iii) Determine the dryness fraction of the steam that is fed to the condenser. (iv) Determine the specific enthalpy values at the four key points of the cycle. (v) Calculate the specific heat provided to the boiler, the specific work extracted from the power station and the mass flow rate of the steam circulating in the cycle

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter36: Refrigeration Applied To Air-conditioning
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A medium size power station is used to produce 30 MW net power for a
refinery. The station uses steam as the operating fluid and operates
according to the Carnot cycle between the pressure limits of 0.4 bar and
35 bar. Steam enters the boiler as a saturated liquid and leaves it as a
dry saturated vapour.
(iii) Determine the dryness fraction of the steam that is fed to the
condenser.
(iv) Determine the specific enthalpy values at the four key points of
the cycle.
(v)
Calculate the specific heat provided to the boiler, the specific
work extracted from the power station and the mass flow rate of
the steam circulating in the cycle
Transcribed Image Text:A medium size power station is used to produce 30 MW net power for a refinery. The station uses steam as the operating fluid and operates according to the Carnot cycle between the pressure limits of 0.4 bar and 35 bar. Steam enters the boiler as a saturated liquid and leaves it as a dry saturated vapour. (iii) Determine the dryness fraction of the steam that is fed to the condenser. (iv) Determine the specific enthalpy values at the four key points of the cycle. (v) Calculate the specific heat provided to the boiler, the specific work extracted from the power station and the mass flow rate of the steam circulating in the cycle
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