kJ Air (Rair = 0.287 ) as an ideal gas flows through the turbine and heat exchanger arrangement kg-K) shown below. Steady-state data are given on the figure. Stray heat transfer and kinetic and potential energy effects can be ignored. Sketch a T – s diagram of processes 1-4 and determine: (a) The entropy production of turbine 1 [3.2 kW /K] (b) The isentropic efficiency of turbine 1 [75%] (c) The exit temperature of turbine 2 if its isentropic efficiency is 77, = 0.85 [960 K] (d) The entropy production within the intermediate heat exchanger [3.2 kW /K] Wn = 10,000 kW Wn =? Turbine Turbine P3= 4.5 bar T3 = ? T = 1100 K P2=5 bar P4 =1 bar Air 2 3 T, = 1400 K Pi = 20 bar www Ts = 1480 K -5 Ps 1.35 bar ms = 1200 kg/min Heat exchanger V T = 1200 K P6 = 1 bar Air in

kJ Air (Rair = 0.287 ) as an ideal gas flows through the turbine and heat exchanger arrangement kg-K) shown below. Steady-state data are given on the figure. Stray heat transfer and kinetic and potential energy effects can be ignored. Sketch a T – s diagram of processes 1-4 and determine: (a) The entropy production of turbine 1 [3.2 kW /K] (b) The isentropic efficiency of turbine 1 [75%] (c) The exit temperature of turbine 2 if its isentropic efficiency is 77, = 0.85 [960 K] (d) The entropy production within the intermediate heat exchanger [3.2 kW /K] Wn = 10,000 kW Wn =? Turbine Turbine P3= 4.5 bar T3 = ? T = 1100 K P2=5 bar P4 =1 bar Air 2 3 T, = 1400 K Pi = 20 bar www Ts = 1480 K -5 Ps 1.35 bar ms = 1200 kg/min Heat exchanger V T = 1200 K P6 = 1 bar Air in

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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