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Recent content by limeister

  1. limeister

    API 520 questions and rupture disc sizing

    Dear TD2K Last time I asked a question in this forum the help was overwhelming. I was really suprised. I didn't realize the seriousness of my question until I read the responses. You're right and thanks for your concern. I am not qualified to do this calculation but it has been given to me...
  2. limeister

    API 520 questions and rupture disc sizing

    Hello I have been charged with calculating rupture disc sizes. I do not have access to the entire standard but I do have a formula. A = [Q/(38*Kd*Kw*Kv)] * sqrt of [G/(P1-P2)] A = Required discharge area Kd = Effective coefficient of discharge Kw = Correction for back pressure P1 =...
  3. limeister

    Pipeline Cooldown

    My goodness. The response on this question has been overwhelming. I must apologise for the lack of information I have given to you all. This was a problem my boss wanted me to do in a very crude manner. We were just wanting to know the many different scenarios that could result in flash/loss...
  4. limeister

    Flash volume calculations regarding TPV

    Thank you for your previous help. Part 1 Is this equation correct? Flash Ratio = HL(into tank) - HL(of tank) ___________________________ HV(of tank) - HL(of tank) HL = Enthalpy of sat.liquid HV = Enthalpy of sat.vapor into tank = flow of...
  5. limeister

    Pipeline Cooldown

    Hello, Quark. Who ever you are. Thanks alot. I have just recently started my job as a chemical engineer. thing is I don't have any background. I majored in chemistry in university. I guess this was a an easy problem to solve. This forum will be a big help to me. I learn new things...
  6. limeister

    Pipeline Cooldown

    How does one go about doing this? If I have a 1" pipe that is 50 meters long made out of stainless steel. Its at ambient temp. Then you flow liquid O2 at -186 C through it. If it takes about 30 minutes to bring the pipe from ambient to operation temp of -186C. How do I calculate the...

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