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Rankine Cycle Efficiency Vs Steam Turbine Efficiency


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#1 NoobMi

NoobMi

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Posted 24 December 2020 - 05:18 AM

Are the 2 referring to the same thing?

Appreciate if anyone can share some good resources on the usage of these 2 efficiency in gas-fired power plants.

 

Thanks



#2 breizh

breizh

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Posted 24 December 2020 - 07:30 AM

Hello,

Consider these resource to support your work :

http://processengine...damentals.html#

 

Christmas present.

Breizh 



#3 NoobMi

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Posted 25 December 2020 - 02:43 AM

thanks for the link.

 

After going through the information, i would like to confirm if my understanding below is correct?

 

1) Rankine Cycle Efficiency = Theoretical maximum efficiency that can be obtained from the steam/water cycle.

2) Isentropic Efficiency of Steam Turbine = Actual Work Done / Isentropic Work Done, where Actual Work Done < Isentropic Work Done

 

Overall efficiency = Rankine Cycle Efficiency * Steam Turbine Isentropic Efficiency, assuming there are no other inefficiencies in the system (e.g. boiler / pump efficiency)


Edited by NoobMi, 25 December 2020 - 02:44 AM.





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