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Difference between gas turbine and steam turbine in tabular form

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Difference between gas turbine and steam turbineThe basic difference between gas turbine and steam turbine is that  gas turbine is easy to start and control easily while steam turbine is difficult to start and difficult to control.

Idea of gas turbine is very old one,its working principle is an advanced version of wind mill.To achieve efficient working of turbine,the movement of  gas is controlled and directed to blades.The air which is under pressure supplied to turbine by air compressor.

In gas turbine initially the air is obtained from atmosphere and compressed in air compressor.The air which is compressed passed into the combustion chamber.Hot air is made to flow over moving blades,which causes rotational motion to runner.In this process the air expands and finally exhausted into atmosphere.

The major part of the power developed by turbine consumed to derive the compressor.The remaining power is used to do external work.

 Gas turbine vs steam turbine

                                Gas turbine                        Steam turbine
1:Its important components are compressor and combustion chamber.  1:Its important components are accessories and steam boiler.
2:Mass of gas turbine per kW is less developed.2:Mass of steam turbine per kW is more developed.
3:For installation it takes less space.3:For installation it takes more space.
4:Its cost of installation is less.4:Its cost of installation is more.
5:It is easy to start gas turbine.5:It is difficult to start a steam turbine.
6:It is easy to control it.6:It is difficult to control it.
7:It does not depend on water supply.7:It depends on water supply.

Gas turbine vs steam turbine (video)

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