Question
Asked Jul 17, 2019
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QUESTION 4
Derive the following expression for the diffuser efficiency:
T2s
1
TI
T2
1
TT
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QUESTION 4 Derive the following expression for the diffuser efficiency: T2s 1 TI T2 1 TT

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Expert Answer

Step 1

Diffuser efficiency is defined as the ratio of actual change in enthalpy to the isentropic actual change in enthalpy.

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change in isentropic enthalpy Actual changeinenthalpy

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Step 2

    Let (1-2s) is isentropic process with no irreversibility means no loss. So,

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2s h-h Па h-h чт

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Step 3

Let, the gas is air then enthalpy at any state is given b...

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h mc AT

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Engineering

Mechanical Engineering

Heat Transfer

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