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Wednesday, 2 April 2014

Advantages of Gas Turbine over Steam Turbine

Advantages of Gas Turbine over Steam Turbine Points : Advantages of Gas Turbine over Steam Turbine Fuel The fuel is used in gas turbine is very low cost exhaust gases are used in it which is made by mixing air and natural gas or in expensive coal. In steam turbine steam is only fuel used in it and boiler is basic need for generating steam that's why gas turbine is more advantageous rather than other. Lubrication The lubrication of gas turbine is easy because only main bearing of turbines need lubrication. lubrication of steam turbine is some of more than gas turbine. Maintenance The initial and maintenance cost of gas turbine are low as compare to stem turbine. Diesel engine is limited after limit the engine needs complete overhauling and periodic maintenance. Operation and Start Gas turbine's operation and starting system is simple and it can be quickly started comparatively than steam engine. Thermodynamic Efficiency In gas turbine the inlet temp is 800°C which is quiet sufficient whereas it is about 500° C in case of steam turbine which is low and the inlet temp after combustion of fuel.

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