Q.9Steam is isentropically expanded in aturbine from 80 bar to 7 bar. At the inlet ofthe turbine (stateis 3246 kJ/kg and s,h1is6.52 kJ/(kg.K). The enthalpy of the steamexiting the turbine (state 2) in kJ/kg is:Pressure = 7 bar%3Dh:(kJ/kg)hg(kJ/kg)SE[kJ/kg.K)] Se[kJ/kg.K)]69727632.06.7

Data given- P1 = 80 bar P2 = 7 bar h1 = 3246 kJ /kg s1 = 6.52 kJ/kg K

Q.9 Steam is isentropically expanded in a turbine from 80 bar to 7 bar. At the inlet of the turbine (state is 3246 kJ/kg and h1 is S1 6.52 kJ/(kg.K). The enthalpy of the steam exiting the turbine (state 2) in kJ/kg is: Pressure = 7 bar h:(kl/kg) hg(kJ/kg) SF[kJ/kg.K)] Sg[kJ/kg.K)] 697 2763 2.0 6.7

Q.9 Steam is isentropically expanded in a turbine from 80 bar to 7 bar. At the inlet of the turbine (state is 3246 kJ/kg and h1 is S1 6.52 kJ/(kg.K). The enthalpy of the steam exiting the turbine (state 2) in kJ/kg is: Pressure = 7 bar h:(kl/kg) hg(kJ/kg) SF[kJ/kg.K)] Sg[kJ/kg.K)] 697 2763 2.0 6.7

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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Question

Q.9
Steam is isentropically expanded in a
turbine from 80 bar to 7 bar. At the inlet of
the turbine (state
is 3246 kJ/kg and s,
h1
is
6.52 kJ/(kg.K). The enthalpy of the steam
exiting the turbine (state 2) in kJ/kg is:
Pressure = 7 bar
%3D
h:(kJ/kg)
hg(kJ/kg)
SE[kJ/kg.K)] Se[kJ/kg.K)]
697
2763
2.0
6.7

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