The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air)

Compressors, Gas Turbines and Jet Engines
The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air)

p₂ = p₃/p₁

p₂ = p₁ × p₃

p₂ = p₁ × p₂

p₂ = p₁/p₃

p₂ = p₃/p₁

p₂ = p₁ × p₃

p₂ = p₁ × p₂

p₂ = p₁/p₃

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Compressors, Gas Turbines and Jet Engines
Gas turbines use following type of air compressor

Lobe type

Axial flow type

Reciprocating type

Centrifugal type

Lobe type

Axial flow type

Reciprocating type

Centrifugal type

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Compressors, Gas Turbines and Jet Engines
The working fluid in a turbine is

In three phases

In the form of air and water mixture

In a single phase

In two phases

In three phases

In the form of air and water mixture

In a single phase

In two phases

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Compressors, Gas Turbines and Jet Engines
The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation

5%

0.5%

0.1%

1.0%

5%

0.5%

0.1%

1.0%

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Compressors, Gas Turbines and Jet Engines
Maximum temperature in a gas turbine is of the order of

1500°C

700°C

1000°C

2000°C

1500°C

700°C

1000°C

2000°C

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Compressors, Gas Turbines and Jet Engines
The efficiency of a jet engine is higher at

Low altitudes

Low speeds

High speeds

High altitudes

Low altitudes

Low speeds

High speeds

High altitudes

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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air)

Compressors, Gas Turbines and Jet Engines Gas turbines use following type of air compressor

Compressors, Gas Turbines and Jet Engines The working fluid in a turbine is

Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation

Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of

Compressors, Gas Turbines and Jet Engines The efficiency of a jet engine is higher at

Compressors, Gas Turbines and Jet Engines
The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air)

Compressors, Gas Turbines and Jet Engines
Gas turbines use following type of air compressor

Compressors, Gas Turbines and Jet Engines
The working fluid in a turbine is

Compressors, Gas Turbines and Jet Engines
The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation

Compressors, Gas Turbines and Jet Engines
Maximum temperature in a gas turbine is of the order of

Compressors, Gas Turbines and Jet Engines
The efficiency of a jet engine is higher at