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Thrust Augmentation is a method to increase the thrust produced by gas turbine engine, when the outside condition are not suitable for smooth running of the engine.For eg: when it is a very hot day outside the density of the airflow entering the engine is not sufficient enough to produce the required thrust, hence thrust augmentation is used.
There are two common methods:
1) Water, Water/Methanol Injection - Injection a mixture of water and methanol either to compressor inlet or to combustion chamber,water used is de-mineralized water to prevent corrosion and it is used to increase density of air and cool the combustion chamber walls and methanol prevents freezing up of water since methanol has low melting point.
2) After - Burners - The exhaust gases coming into the exhaust of the engine passes through a area of after burner where more fuel is added and combusted which increases the velocity of the air and this increase is proportional to the increase in thrust obtained.
What else can I help you with?
What has the author Kenol Jules written?
Kenol Jules has written: 'Options for thrust augmentation for the Beta II two-stage-to-orbit launch vehicle' -- subject(s): Gas-turbines, Space vehicles, Propulsion systems
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