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Recent content by mucour

  1. mucour

    Clarification on the acceleartion head loss in recip pump

    Thanks BigInch. But on doing further research, I came across the concept of applying a kind of “stand-pipe” that is located upstream a PD pump. In a pump article, the introduction of a stand-pipe was used to reduce the acceleration head loss in a situation when the suction length of the piping...
  2. mucour

    Clarification on the acceleartion head loss in recip pump

    Hello, Thank you for the explanations given in the thread: thread124-196619. However, Doug and BigInch should clarify a conflicting statement concerning that the heat exhanger cannot be regarded as doing the work of a suction stabilizer. According to BigInch, the heat exchanger breaks the...
  3. mucour

    Centrifugal compr operated with anti-surge valve on 30% open position

    dcasto, thanks. I guess it is always a challenge dealing with operations department who want production at all cost. Engineering always battle with their short-cut measures. I will make effort to escalate this issue to management so that operations can heed to our advice. Thanks again.
  4. mucour

    Centrifugal compr operated with anti-surge valve on 30% open position

    Hello, Please can you share with me the potential danger (or otherwise) of operating a centrifugal compressor plant with the anti-surge valve control system deactivated but running with the anti-surge valve opened permanently at 30% open position. We have a situation in our plant (3...
  5. mucour

    Buffer Gas Spec.

    Imans, what is the type of seal you are using. I mean is it double tandem or single seal? What do you use as your seal gas and separation gas? Because when you say buffer gas, it means you have different supplies for seal gas supply and separation gas supply in addition to the buffer gas supply.
  6. mucour

    Software for centrifugal compressor sizing

    I have read somewhere that the affinity law can be used for rough estimation if you want to determine new conditions of Head, Flow and Power, speed, Imp. diameter. But using the affinity law for a centr. compr. can only be applicable to a certain pressure limit that I cannot say offhand unless...
  7. mucour

    Horsepower equation for isentropic positive dispacement gas compressor

    I have never seen MMSCFDM. I only know of MMSCFD has defined by you.
  8. mucour

    Wet Gas Screw compressor

    David, you could not have described it better. It was a wonderful piece. I could have given more stars but I am entitled to only 1 vote. Thank you.
  9. mucour

    Wet Gas Screw compressor

    Thank you all. The eductor was not accepted because the amount of pressure and volume required of the motive fluid (liquid or gas) is very high to boost 1250 m3/h gas from near atmospheric to 60psig. The wet screw compressor was considered advantageous because of the high compression ratio...
  10. mucour

    Wet Gas Screw compressor

    Hello, We are considering a wet gas screw compressor for vapour recovery application. The gas is wet, water saturated and a heavy gas. Could anybody advise from the experience in their plant where they have this wet screw compressor for similar service the manufacturer that they will recommend...
  11. mucour

    Mechanical Seal Damage Due to Suction Pressure Spike

    I am not clear with your description. If the compressor anti-surge control valve opens and it causes the suction inlet volume flow to increase because of a poor antisurge control design, then I do not see how this leads to a pressure spike. What I see is infact a reverse, ie. the suction...
  12. mucour

    Constant reciprocating discharge pressure

    CompressorExpert, It is interesting that basic fundamentals get one confused. This is just like a thread posted on centrifugal compressor under "Chemical Process Engineering group" It was put into proper pespective by JJPellin. If you follow my response on the recip, I did mentioned that a...
  13. mucour

    centrifugal compressor response to a block discharge line

    In my last posting on line 9, I meant to say compressor not pump. Surge condition does not happen in pumps.
  14. mucour

    centrifugal compressor response to a block discharge line

    Thanks JJPellin, for your better explanantion. In centrifugal pump, a scenario of higher system resistance due to e.g. blocked outlet or pumps installed in parallel imposes higher resistance or back pressure on another parallel pump causes the operating point to shift to the left on the...
  15. mucour

    centrifugal compressor response to a block discharge line

    Montemayor, now it is very, very clear. Thank you. I do not mind the abuse as long as I get the support. Thanks again
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