10. 66 A single-stage axial flow gas turbine is to be tested in a "cold rig" so as to simulate the design-point operation. The two sets of operating conditions are: 1. Design-point operation of turbine Stage inlet total pressure, Poi = 11 bar Stage inlet total temperature, To1 = 1400 K Stage-exit total pressure, P02 5.0 bar = CHAPTER 2 Dimensional Analysis: Similitude Speed of rotation, N= 55,000 rpm Stage efficiency, t = 87% Mass flow rate m = 3.5 kg/s 2. Cold-rig operation Stage inlet total pressure, P01(cr) = 2.5 bar Stage-inlet total temperature, Tol(cr) 365 K For both sets of conditions, assume that the axial velocity across the stage remains constant. Determine - a. the stage-exit total temperature To2(cr); b. the power output in the cold rig. Assume that the average specific heat ratio for both operating conditions is given by Y = 1.36.
10. 66 A single-stage axial flow gas turbine is to be tested in a "cold rig" so as to simulate the design-point operation. The two sets of operating conditions are: 1. Design-point operation of turbine Stage inlet total pressure, Poi = 11 bar Stage inlet total temperature, To1 = 1400 K Stage-exit total pressure, P02 5.0 bar = CHAPTER 2 Dimensional Analysis: Similitude Speed of rotation, N= 55,000 rpm Stage efficiency, t = 87% Mass flow rate m = 3.5 kg/s 2. Cold-rig operation Stage inlet total pressure, P01(cr) = 2.5 bar Stage-inlet total temperature, Tol(cr) 365 K For both sets of conditions, assume that the axial velocity across the stage remains constant. Determine - a. the stage-exit total temperature To2(cr); b. the power output in the cold rig. Assume that the average specific heat ratio for both operating conditions is given by Y = 1.36.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Transcribed Image Text:10.
A single-stage axial flow gas turbine is to be tested in a "cold rig" so as to simulate the
design-point operation. The two sets of operating conditions are:
1. Design-point operation of turbine
66
Stage inlet total pressure, Poi = 11 bar
Stage inlet total temperature, To1 = 1400 K
Stage-exit total pressure, P02
5.0 bar
=
CHAPTER 2 Dimensional Analysis: Similitude
Speed of rotation, N= 55,000 rpm
Stage efficiency, t = 87%
Mass flow rate m = 3.5 kg/s
2. Cold-rig operation
Stage inlet total pressure, P01(cr) = 2.5 bar
Stage-inlet total temperature, Tol(cr)
365 K
For both sets of conditions, assume that the axial velocity across the stage remains constant.
Determine
-
a. the stage-exit total temperature To2(cr);
b. the power output in the cold rig.
Assume that the average specific heat ratio for both operating conditions is given by
Y = 1.36.
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