1. A steam power plant operating in a Rankine cycle has saturated vapor at 4.0 MPa leaving the boiler. Theturbine exhausts to the condenser, operating at 75 kPa, and the mass flow rate of the working fluid is 5.0kg/hr. The turbine efficiency is 0.85. Solve for the work produced by the turbine and the pump (in Watts),the heat transfer in the boiler (in Watts), and the Rankine cycle efficiency.Equations:Efficiency of a turbine:ηW, (actual)W,(isentropic)H2.actual - H₁H2isentropic - H₁Efficiency of a compressor:W,(isentropic)W,(actual)=H2.isentropic - H₁H₂,actual - H₁Rankine cycle efficiency:Wnetn = QHWturbine-Wpump|QboilerCOP of a refrigerator:QL (heat absorbed from cold space)We(work input to the compressor)n =BVan Ness - Page 681Sonntag - Page 776Sonntag - Page 810Thermodynamic tables:WaterR-134a

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A steam power plant operating in a Rankine cycle has saturated vapor at 4.0 MPa leaving the boiler. The turbine exhausts to the condenser, operating at 75 kPa, and the mass flow rate of the working fluid is 5.0 kg/hr. The turbine efficiency is 0.85. Solve for the work produced by the turbine and the pump (in Watts), the heat transfer in the boiler (in Watts), and the Rankine cycle efficiency. Equations: Efficiency of a turbine: W,(actual) W,(isentropic) H₂ H₂.actual - H₁ 12.isentropic - H₁ Efficiency of a compressor: H2.isentropic - H₁ W,(isentropic) W,(actual) H2.actual - H₁ Rankine cycle efficiency: η = Wnet Он Wturbine-Wpump| Qboiler COP of a refrigerator: QL (heat absorbed from cold space) We(work input to the compressor) Thermodynamic tables: Water R-134a n = η = B = Van Ness - Page 681 Sonntag - Page 776 Sonntag - Page 810

A steam power plant operating in a Rankine cycle has saturated vapor at 4.0 MPa leaving the boiler. The turbine exhausts to the condenser, operating at 75 kPa, and the mass flow rate of the working fluid is 5.0 kg/hr. The turbine efficiency is 0.85. Solve for the work produced by the turbine and the pump (in Watts), the heat transfer in the boiler (in Watts), and the Rankine cycle efficiency. Equations: Efficiency of a turbine: W,(actual) W,(isentropic) H₂ H₂.actual - H₁ 12.isentropic - H₁ Efficiency of a compressor: H2.isentropic - H₁ W,(isentropic) W,(actual) H2.actual - H₁ Rankine cycle efficiency: η = Wnet Он Wturbine-Wpump| Qboiler COP of a refrigerator: QL (heat absorbed from cold space) We(work input to the compressor) Thermodynamic tables: Water R-134a n = η = B = Van Ness - Page 681 Sonntag - Page 776 Sonntag - Page 810

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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