Q2/Gas turbine unit having heat exchanger with thermal ratio(0.75),a high pressure stage turbine drives the compressor and a low pressure stage turbine generate the power. The overall pressure ratio is (5/1) and the maximum temperature is (1000 o c).The isentropic efficiencies of compressor, H.P.T and L.P.T are (0.7),(0.78) and (0.8) respectively and mechanical efficiency of both shafts is (99 %) . Calculate:
Q2/Gas turbine unit having heat exchanger with thermal ratio(0.75),a high pressure stage turbine drives the compressor and a low pressure stage turbine generate the power. The overall pressure ratio is (5/1) and the maximum temperature is (1000 o c).The isentropic efficiencies of compressor, H.P.T and L.P.T are (0.7),(0.78) and (0.8) respectively and mechanical efficiency of both shafts is (99 %) . Calculate:
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter22: Condensers
Section: Chapter Questions
Problem 8RQ: Four methods for controlling head pressure in an air-cooled condenser are ______, ______, _______,...
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Q2/Gas turbine unit having heat exchanger with thermal ratio(0.75),a
high pressure stage turbine drives the compressor and a low pressure
stage turbine generate the power. The overall pressure ratio is (5/1) and
the maximum temperature is (1000 o
c).The isentropic efficiencies of
compressor, H.P.T and L.P.T are (0.7),(0.78) and (0.8) respectively and
a- The pressure between turbine stages when the air intake condition
are (1 bar) and (29 o
c)
b- Thermal efficiency when the mass flow is (30 kg/sec)
Cpg= 1.15 kJ/kg.K ɣg=1.33
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