Isentropic Efficiency Calculations

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Thread Starter

AdamIR

Hi all,

I'm calculating isentropic efficiency for compressors. As far all goes well but I'm stuck in calculate efficiency for Belt Drive-Vacuum compressors. We have measured fallowing values:

Input power: 1,5KW(2HP)

Vacuum max: Bar(A)=0,031 (I!m not sure about this..shall be this value to be set in equation as bar(g)=Atm+0,031?

Flow rate: Unfortunately I don't have FAD value but just PD =510 l/min

Thanks a lot in advance
 
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