why the exhaust temp of gas turbine is more than steam
turbine

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why the exhaust temp of gas turbine is more than steam turbine..

Answer / kevin

Steam, unless it is super-heated, is less because CO2 can
achieve much hotter temperatures at a gas state. Steam
just reaches 212 degrees.

Is This Answer Correct ?    6 Yes 0 No

why the exhaust temp of gas turbine is more than steam turbine..

Answer / karthick

because the compression ratio is more that is nearly 60:1
andl also combustion takes place which also sufficiently
increases the temperature

Is This Answer Correct ?    2 Yes 1 No

why the exhaust temp of gas turbine is more than steam turbine..

Answer / shafi

Of course we can expand the combustion products of gas
turbine to the extent as in steam turbine. But that would be
economical to let the exhaust gases at higher temperatures
to have Optimum out put from the cycle ( i.e, GT & HRSG).
That means the Output from the cycle by expanding the gases
to the extent as in steam turbines would be relatively lower
that that of the Output of cycle (GT & STG) by recovering
the heat from high temperature exhaust gases from GT.

Is This Answer Correct ?    1 Yes 1 No

why the exhaust temp of gas turbine is more than steam turbine..

Answer / y. nishanth

in gas turbine the state of the working fluid is always same that is 'gas' and total energy supplied is used to rise the temp where as in steam turbine in boiler water absorbs heat to transform in to steam that is latent heat and this is a constant temp process so for same fuel supply gas turbine will have higher temp

Is This Answer Correct ?    0 Yes 0 No

why the exhaust temp of gas turbine is more than steam turbine..

Answer / mob

Steam turbine has higher turbine stages as compared to gas-
turbine and hence the reduction in temperature on account
of capturing of energy at each stage

Is This Answer Correct ?    0 Yes 1 No

why the exhaust temp of gas turbine is more than steam turbine..

Answer / hussain

because it was burnt

Is This Answer Correct ?    0 Yes 2 No

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