A cycle operating at steady state with water as the working substance is shown in the figure below. The cycle components include a turbine, pump and two heat exchangers. Kinetic and potential energy effects are negligible for the cycle. The pump and turbine are adiabatic. Work done in the heat exchangers is negligible. The mass flow rate through the cycle is 50 kg/s. Determine: (a) The enthalpy (h) and entropy (s) at states 1, 2,3 and 4 (b) Power output from the turbine (c) Power required to run the pump Qin P = 20 bar · %3D Heat Exchanger 1 = 320°C. Turbine P2 = 2 bar s2 = 7 kJ/kg.K P4 = P Heat Exchanger 2 T4 = 130°C Pump 3 P3 = P2 Saturated Liquid www www

A cycle operating at steady state with water as the working substance is shown in the figure below. The cycle components include a turbine, pump and two heat exchangers. Kinetic and potential energy effects are negligible for the cycle. The pump and turbine are adiabatic. Work done in the heat exchangers is negligible. The mass flow rate through the cycle is 50 kg/s. Determine: (a) The enthalpy (h) and entropy (s) at states 1, 2,3 and 4 (b) Power output from the turbine (c) Power required to run the pump Qin P = 20 bar · %3D Heat Exchanger 1 = 320°C. Turbine P2 = 2 bar s2 = 7 kJ/kg.K P4 = P Heat Exchanger 2 T4 = 130°C Pump 3 P3 = P2 Saturated Liquid www www

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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