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  • Users: gubau
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  1. gubau

    Pressure wave behaviour in a short pipe

    Hi all We are struggeling with the interpretation of the pressure measurement values at the end of a 5.5 m pipe (1/2"). We try to capture the pressure wave behaviour in the first 150ms. Our procedure is as follow: a) We pressurise the pipe up to 6.5Barg with air, b) The air entry valve is...
  2. gubau

    Characteristics for choked flow accross a standard orifice

    Hi all I have 3 pressure vessels A,B and C. A 25mm internal diameter pipe connects A & B as well as B & C. I have installed a standard square edged British Orifice (BS1042) ,or similarly ISO5167-1 square edged orifice, in the middle of the two pipes. The length of the 25mm internal diameter...

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