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  • Users: wormhhh
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  1. wormhhh

    how to open an obj file?

    Hi, there: How can I open an obj file in fortran? Thanks.
  2. wormhhh

    tank's drain size

    Hi,there: I am wondering that is there any general guide on how to decide a low pressure tank's drain size based on the tank's design data, such as height, diameter and capacity? Thanks.
  3. wormhhh

    PSV for a piping line

    Hi, everyone: I need to size a PSV for a piping line which has two pumps working in Parallel, two different chemicals transferred by pumps and mixed in the protected pipe. The pumps have different operation parameters. I am going to do Liquid thermal expansion calculation for the protected...
  4. wormhhh

    question about Fisher s200 Regulator

    Hi, everyone: what are the port size and the orifice size for Fisher regulator? I am trying to decide Cv and Cg for an on-site regulator, what I have are Fisher S200, body size, port size and set pressure, how can I make a choice? Thanks a lot.
  5. wormhhh

    control vavle flow rate calculation

    I am calculating the flow rate through a control valve: steam condensate,liquid, temperature difference between inlet and outlet is about 40 F. Cv=127 Sg=0.924 Delta P=23.8 The equation I am using:Q=Cv*Sqrt(DeltaP/Sg),I got some number real big. I am wondering: am I using the right equation...
  6. wormhhh

    question about reducing tee?

    Where can I find Resistance coefficient(K) for 8x8x6 reducing tee? Thanks.
  7. wormhhh

    Questions about the fire scenario for Condensate Flash Drum

    I need to size a PSV for a Condensate Flash Drum. I have some questions: 1)If the fluid is water, do I need to consider a fire scenario for relief valve and how? 2)In the equipment data sheet, the flash drum is shown as:"Insulation: Steel-banded". What does it really mean? Is it fire proof or...
  8. wormhhh

    What's #/hr? every know?

    hi, there: Does anyone know #/hr, a flowrate unit, used to express max flow rate through a control valve? is it as the same as lb/hr? Many thanks.
  9. wormhhh

    constant enthalpy or entropy in PSV sizing?

    Hi,there: Would you handle the prossure relief process through the valve as an isenthalpy or an isentropy process? Please give some reference if possible. Same questions to control valve. Many thanks.

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