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Centrifugal Compressor Stage Internal Circulation Flow Estimation

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#1 Said Salim

Said Salim

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Posted 16 October 2018 - 07:56 AM

Dear All,


In Our urea plant we are trying to estimate the internal circulation flow for all 4 stages of CO2 compressor so that we can calculate the power consumption per each stage. Is there any method to estimate the internal leakage within a single stage?


please have a look to our CO2 Datasheet and DCS graphics to get an idea what are the given parameters.


Said Al Athubi

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#2 Bobby Strain

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Posted 16 October 2018 - 03:15 PM

About the best you can do is check the efficiency of each stage. Then you can calculate the power required for all stages with your measured flow. Compare to the actual measured power for the driver.



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