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  1. PTH001

    Composition of AVTUR

    I do have composition and propertied of Avtur (both F34 and F35) but you can get them from the internet. Try a search for Def Stan 91-87 for F34 (with FSII), Def Dtan 91-91 for F35, There is also some general useful info in Def Stan 01-5. I have an authoratative bulk modulus for F34 as follows...
  2. PTH001

    Pipeline surge pressure

    Thanks for the trouble that you have taken, however, I have found the information I need elsewhere.
  3. PTH001

    Pipeline surge pressure

    Thanks for that valuable information. I've used both max and min values of density. I'm not actually carrying out a surge analysis by your definition. I am attempting to quantify an 'order of magnitude' for anchor loads in unstable ground, not really the same thing and perhaps my query title...
  4. PTH001

    Pipeline surge pressure

    I have an equation for surge pressure from 'Mechanics of Fluids' - BS Massey, which gives Ap = p.c.U Where Ap is surge pressure p is fluid density c is speed of wave propogation U is change of velocty In my case the fluid is NATO F34 so p is 775 - 840 kg/m3 (I have used 800) I have calculated...

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