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Carnot Efficiency vs Rankine Efficiency

by mm391
Tags: carnot, efficiency, rankine
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mm391
#1
Feb16-12, 09:28 AM
P: 63
Hi,

Given value of top and bottom temperatures can anyone explain why the Ideal Carnot Cycle is more efficient than the Rankine cycle but why the Rankine is the preferred model? I know that in the Carnot the pump would have to be able to deal with a mixture of steam and water and the turbine would have to be able to deal with wet steam (which is obviously not good).

Thanks
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rock.freak667
#2
Feb16-12, 07:31 PM
HW Helper
P: 6,202
The Rankine cycle is practicable for the same reasons you stated.

Carnot cycle also assumes a 100% isentropic turbine, which is not achievable in reality.


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