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Recent content by hysim

  1. hysim

    Reduced speed and its effect on discharge pressure

    Hi David, If I speed the machine up, the actual pressure on the top side of the suction valve goes down, so the cylinder pressure required to open the suction valve goes down, wouldn't it be much easier for the valve to open? (i.e the valve opens earlier at higher speed) I once installed an...
  2. hysim

    Reduced speed and its effect on discharge pressure

    Hi nickelkid, I just want to see how the valve behave at different pressure and speed, therefore I need to change the speed so that I can change the pressure to record more data.
  3. hysim

    Reduced speed and its effect on discharge pressure

    Hi LittleInch, My understanding is that the valve is open or close due to the pressure difference. So if speed is reduced, the pressure in the cylinder should be higher compared to that in higher speed, therefore piston needs to move down further to create a lower pressure (increased volume...
  4. hysim

    Reduced speed and its effect on discharge pressure

    Hi nickelkid, That's part of my problem too. Perhaps to put a suction control valve before the air enters the second compressor, as suggested by David.
  5. hysim

    Reduced speed and its effect on discharge pressure

    Hi all, I'm actually trying to study the valve opening and closing motion of reciprocating compressor at different pressures. I plan to connect 2 single stage air compressor in series, the first stage with 710 lpm while the second stage with 340 lpm. I want to reduce the speed of my first stage...

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