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constant specific heats (mean molecular mass = 25; y = 1.37). Find the turbine power putput in kJ/(kg of mass flowing through the turbine). %3!

constant specific heats (mean molecular mass = 25; y = 1.37). Find the turbine power putput in kJ/(kg of mass flowing through the turbine). %3!

Elements Of Electromagnetics
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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Hot gases enter a jet engine turbine with a velocity of 50 m/s, a temperature of 1200 K, and a pressure of 600 kPa. The gases exit the turbine at a pressure of 250 kPa and a velocity of 75 m/s. Assume isentropic steady flow and that the hot gases behave as a perfect gas with constant specific heats (mean molecular mass = 25; y = 1.37). Find the turbine power output in kJ/(kg of mass flowing through the turbine).
Transcribed Image Text:Hot gases enter a jet engine turbine with a velocity of 50 m/s, a temperature of 1200 K, and a pressure of 600 kPa. The gases exit the turbine at a pressure of 250 kPa and a velocity of 75 m/s. Assume isentropic steady flow and that the hot gases behave as a perfect gas with constant specific heats (mean molecular mass = 25; y = 1.37). Find the turbine power output in kJ/(kg of mass flowing through the turbine).
If you wanted to increase your turbine power output you could do that by burning more fuel to raise your inlet temperature or you could add heat through the outer casing of your turbine. What about the outlet velocity? Should the outlet velocity be higher or lower when you want to obtain more turbine power output?
Transcribed Image Text:If you wanted to increase your turbine power output you could do that by burning more fuel to raise your inlet temperature or you could add heat through the outer casing of your turbine. What about the outlet velocity? Should the outlet velocity be higher or lower when you want to obtain more turbine power output?
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