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  1. stuckoutthere

    Tube fracture - volume of gas lost

    Good Afternoon, I am looking to work out the volume of gas lost in a fractured tube line. If I have a tube that measures 12mm outer diameter with a 1.5mm wall thickness giving a 9mm internal diameter that has a gas going through it at 150psi which develops a 1mm hole how would I calculate the...
  2. stuckoutthere

    Rotating Ultrasonic Probe for Orbital Welds

    Good Evening, I am looking for a bit of help and I am hoping this forum will be able to provide it. I have an issue with instrumentation tubing at the minute where I believe that the area of the orbital weld internally is starting to suffer from pitting corrosion. To start off with the welds...
  3. stuckoutthere

    Calculating Litres Per Minute to achieve a Reynolds Number of 4000 for flushing

    Good Evening, I am trying to work out the litres per minute required to flush a length of 10mm O/D tubing with 1.5mm Wall Thickness. I know I need to achieve a reynolds number of 4000 to flush it. I calculated it as below but I think it may be wrong: 1. Find out fluid kinematic viscosity at...
  4. stuckoutthere

    Pump Sizing

    Good Evening, I have been trying to work out the size of pump required for an upcoming pressure test project. I followed the below but think the pressure drop I have calculated is far to large and is now a sticking point for me deciding on pump size. I just want to see if anyone on here can...
  5. stuckoutthere

    Winglet aerodynamics

    Hi all I am new here and have just done a search to see if I could find any posts on winglets. Although I did find and read the post they did not really answer my question. My question is how has fitting blended winglets affected the basic flight performance of an aircraft in the glide and...

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