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3

Centrifugal Compressor Pressure Ratio


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#1 CHEMSTRONG

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Posted 07 April 2022 - 06:37 AM

Dear Sir,

 

What is the maximum Pressure ratio which can be achieved for Centri Compressor practically, what happens to discharge temp when pressure rises in discharge ?

 

Thanks.

 

Best Regards,

CHEMSTRONG 



#2 PingPong

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Posted 07 April 2022 - 10:16 AM

A centrifugal compressor can have many wheels in series in its casing so pressure ratio can be made very high if client is prepared to pay for it.

 

Discharge temperature increases as pressure ratio increases. Check your thermodynamics textbook.



#3 CHEMSTRONG

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Posted 07 April 2022 - 10:48 AM

Dear PingPong Sir,

 

It is always great to discus with you.

 

I got your point. 



#4 CHEMSTRONG

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Posted 08 April 2022 - 05:46 AM

Dear PingPong Sir,

 

Can we have  pressure ratio of 3 for Centri compressor ? and temp of discharge as 81 Deg C and suction as 35 DEg C ? and flow is 110 MTPH as with this efficiency value is above 100 percent .

 

How to analyze given customer data for sensors faults ?

 

Regards,

CHEMSTRONG 



#5 breizh

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Posted 08 April 2022 - 10:35 PM

Hi,

Consider to study this document , many more are available on this site through their monthly issue.

http://www.jmcampbel...sor-efficiency/

 

Good luck 

Breizh 



#6 hossam mohammed kamel

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Posted 24 April 2022 - 02:45 AM

This compressor is probably an oil flooded compressor. It's typical to obtain discharge temperature of 70-80C.






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