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  1. ErikHeld

    Calculating Speed of sound in NH3

    Thanks, I did find that equation but I now have no idea on how to calculate the bulk modulus of ammonia. Do you know of any resources that you can point me to to calculate this based on my actual temp and pressure?
  2. ErikHeld

    Calculating Speed of sound in NH3

    Hi, I have been looking for an equation to calculate the spee do sound on liquid ammonia. Does anybody know where I can find this information?
  3. ErikHeld

    Calculating the stiffness of a piping system

    Desertfox, Thanks for the reply. I guess im not actually looking to calculate the stiffness of the piping system. We had a company come out and do a vibration analysis on out compressed CO2 lines and they identified a few areas of high shaking force. The fource they determined to be around...
  4. ErikHeld

    Calculating the stiffness of a piping system

    Does anybody know any techniques for calculating the stiffness of a piping system. Any resources would help. Thanks.
  5. ErikHeld

    NH3 Bulk Modulus????

    Mech85, Thanks, the speep fo sound in ammonia is what i was looking for. Where did you find that value? Im new to the field and suck at looking things up.
  6. ErikHeld

    Question on "Length to Avoid" API 674

    Does anybody know how directional changes such as elbows play into the difinition of "Length to Avoid". Thanks for your help.
  7. ErikHeld

    NH3 Bulk Modulus????

    Does anybody know where I can find the bulk modulus for liquid ammonia. Thank you.
  8. ErikHeld

    Calculating Moisture

    Sorry. The gas stream is 33.5% H2, 12%CO2, and 53.5% CO with the balance N2, H2S and O2.
  9. ErikHeld

    Calculating Moisture

    Task: Verify the output flow of a flow meter. Problem: I don’t know how to begin to calculate the amount of water that can be held in a multi species gas stream. I know all the components, and mass fractions on a “Dry” basis. I also know the temperature and pressure of the gas stream...
  10. ErikHeld

    Calculating Flow Throuh a Control Valve

    Hello to all, I am recient college graduate (University of North Dakota 2009). I am working in the nitrogen fertilizer business and one of the tasks given to me is to perform a 120 # steam balance over our major users. I am attempting to figure out how to calculate the flow through a pressure...

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