In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in

Compressors, Gas Turbines and Jet Engines
In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in

Exit nozzle, which is a constant volume process

Turbine blades, which is essentially an isentropic process

Exit nozzle, which is essentially an isentropic process

Turbine blades, which is a constant volume process

Exit nozzle, which is a constant volume process

Turbine blades, which is essentially an isentropic process

Exit nozzle, which is essentially an isentropic process

Turbine blades, which is a constant volume process

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Compressors, Gas Turbines and Jet Engines
In axial flow compressor, exit flow angle deviation from the blade angle is a function of

Blade camber and space-chord ratio

Space-chord ratio

Blade camber

Blade camber and incidence angle

Blade camber and space-chord ratio

Space-chord ratio

Blade camber

Blade camber and incidence angle

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Compressors, Gas Turbines and Jet Engines
Axial flow compressor has the following advantage over centrifugal compressor

Higher pressure ratio per stage

Higher average velocities

Larger air handling ability per unit frontal area

Aerofoil blades are used

Higher pressure ratio per stage

Higher average velocities

Larger air handling ability per unit frontal area

Aerofoil blades are used

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Compressors, Gas Turbines and Jet Engines
If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity

Vi = Vo

V = Uo

U < Vo

Vt > Vo

Vi = Vo

V = Uo

U < Vo

Vt > Vo

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Compressors, Gas Turbines and Jet Engines
The fuel consumption in gas turbines is accounted for by

Higher calorific value

Heating value

Lower heating value

Higher heating value

Higher calorific value

Heating value

Lower heating value

Higher heating value

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Compressors, Gas Turbines and Jet Engines
Ratio of compression is the ratio of

Absolute discharge pressure to the absolute intake pressure

Pressures at discharge and suction corresponding to same temperature

Gauge discharge pressure to the gauge intake pressure

Stroke volume and clearance volume

Absolute discharge pressure to the absolute intake pressure

Pressures at discharge and suction corresponding to same temperature

Gauge discharge pressure to the gauge intake pressure

Stroke volume and clearance volume

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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in

Compressors, Gas Turbines and Jet Engines In axial flow compressor, exit flow angle deviation from the blade angle is a function of

Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor

Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity

Compressors, Gas Turbines and Jet Engines The fuel consumption in gas turbines is accounted for by

Compressors, Gas Turbines and Jet Engines Ratio of compression is the ratio of

Compressors, Gas Turbines and Jet Engines
In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in

Compressors, Gas Turbines and Jet Engines
In axial flow compressor, exit flow angle deviation from the blade angle is a function of

Compressors, Gas Turbines and Jet Engines
Axial flow compressor has the following advantage over centrifugal compressor

Compressors, Gas Turbines and Jet Engines
If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity

Compressors, Gas Turbines and Jet Engines
The fuel consumption in gas turbines is accounted for by

Compressors, Gas Turbines and Jet Engines
Ratio of compression is the ratio of