Example 7.10 The following particulars relate to a single-sta rtex design: Inlet temperature, Tot 1100K Inlet pressure, po1 4 bar Mass flow 20 kg/s Axial velocity at nozzle exit 250 m/s Blade speed at mean diameter 300 m/s Nozzle angle at mean diameter 25° f tin
Example 7.10 The following particulars relate to a single-sta rtex design: Inlet temperature, Tot 1100K Inlet pressure, po1 4 bar Mass flow 20 kg/s Axial velocity at nozzle exit 250 m/s Blade speed at mean diameter 300 m/s Nozzle angle at mean diameter 25° f tin
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
![Design Example 7.10 The following particulars relate to a single-stage turbine of
free vortex design:
Inlet temperature, Tot
1100K
Inlet pressure, po1
4 bar
Mass flow
20 kg/s
Axial velocity at nozzle exit
250 m/s
Blade speed at mean diameter 300 m/s
Nozzle angle at mean diameter 25°
Ratio of tip to root radius
1.4
The gas leaves the stage in an axial direction, find:
(1) The total throat area of the nozzle.
(2) The nozzle efflux angle at root and tip.
(3) The work done on the turbine blades.
Take
Cpg = 1.147 kJ/kg K, y= 1.33](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1099dede-c546-4030-bb4c-6b0cc9cf1633%2F8d39e9d3-83d6-4d5c-9d63-934a55c6bd90%2F5hu37i6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Design Example 7.10 The following particulars relate to a single-stage turbine of
free vortex design:
Inlet temperature, Tot
1100K
Inlet pressure, po1
4 bar
Mass flow
20 kg/s
Axial velocity at nozzle exit
250 m/s
Blade speed at mean diameter 300 m/s
Nozzle angle at mean diameter 25°
Ratio of tip to root radius
1.4
The gas leaves the stage in an axial direction, find:
(1) The total throat area of the nozzle.
(2) The nozzle efflux angle at root and tip.
(3) The work done on the turbine blades.
Take
Cpg = 1.147 kJ/kg K, y= 1.33
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