p (bar) h (kJ/kg) v (m'/kg) s (kJ/kg-K) State 60 2784 1 5.888 1.5 2262 0.8064 6.102 1.5 467.3 0.001053 4 60 476.8 Determine: (a) the percent isentropic turbine efficiency. (b) the rate of exergy destruction per unit mass of steam flowing in the turbine, in kJ/kg. (c) the percent isentropic pump efficiency. (d) the percent thermal efficiency. 2. 3.
p (bar) h (kJ/kg) v (m'/kg) s (kJ/kg-K) State 60 2784 1 5.888 1.5 2262 0.8064 6.102 1.5 467.3 0.001053 4 60 476.8 Determine: (a) the percent isentropic turbine efficiency. (b) the rate of exergy destruction per unit mass of steam flowing in the turbine, in kJ/kg. (c) the percent isentropic pump efficiency. (d) the percent thermal efficiency. 2. 3.
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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Need help with this engineering problem.
Transcribed Image Text:p (bar)
h (kJ/kg)
v (m?/kg)
s (kJ/kg-K)
State
1
60
2784
1
5.888
2
1.5
2262
0.8064
6.102
3
1.5
467.3
0.001053
60
476.8
Determine:
(a) the percent isentropic turbine efficiency.
(b) the rate of exergy destruction per unit mass of steam flowing in the turbine, in kJ/kg.
(c) the percent isentropic pump efficiency.
(d) the percent thermal efficiency.
4-
Transcribed Image Text:Steam is the working fluid in the Rankine cycle 1-2-3-4-1, shown in the T-s diagram below, which includes the effects of
irreversibilities in the adiabatic expansion and compression processes. The cycle operates with steady flow devices between the
pressures of 60 bar and 1.5 bar. Let To = 300 K, po = 1 bar.
T
p= 60 bar
p = 1.5 bar
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