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3

Air Compressibility Factor


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#1 Mohamed cage

Mohamed cage

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Posted 31 March 2019 - 01:52 PM

I need to calculate the volume of screw compressor in Nm3/h , so based on gas low i have :

V2=V1*(P1/P2)*(T2/T1)*(Z2/Z1) 

 

where V in [m3/h]; P in [ atm abs ] ; T in [K] , and i need V2 in [Nm3/h]

 

the problem is that i need to calculate the compressibility factor Z  to get V2. i didn't find any helpful document for my case .

 



#2 breizh

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Posted 31 March 2019 - 05:49 PM

Hi ,

Did you consider your favorite search engiine ?

an example:

https://www.enggcycl...y-factor-table/

 

you may also use the excel sheet attached .

 

anyway it should be very close to 1.

 

Good luck

Breizh

Attached Files


Edited by breizh, 01 April 2019 - 01:13 AM.


#3 thorium90

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Posted 01 April 2019 - 07:00 AM

I found this website very useful. Maybe it might be helpful for you as well. Let me know if you need more info.

 

https://www.airpack....ity-calculation



#4 Mohamed cage

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Posted 01 April 2019 - 03:49 PM

thank you . it's close to 1 so i will consider it as ideal .






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