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  1. TonyBlair

    Single pipe equivalent for parallel pipes

    Guys thanks so much for your help, and yes I can use my formula’s, basically you are right. I was getting confused about the lengths of parallel pipes, where they join i.e you have to split the pipes up into segments if they join or split, then you can use the above formula, combined with: Ls =...
  2. TonyBlair

    Single pipe equivalent for parallel pipes

    Thankyou biginch, however im getting confused... I work in metric, my hazen's formula is: hf=2.777 L / ( C^1.85 * D^4.87) * Q^1.85 hf = head loss in METERS of water L = length of pipe in KM C = friction coefficient Q = Flow (Ml/d) d = inside diameter of the pipe in Meters So its...
  3. TonyBlair

    Single pipe equivalent for parallel pipes

    Actually it doesn’t work if you set the equivalent pipe length to less than the biggest pipe. If you set it to 1km it states the length is 1.08m which is obviously wrong. Any tips chaps?
  4. TonyBlair

    Single pipe equivalent for parallel pipes

    Hello there im trying to work out a pipe equivalent for parallel pipes. Once I have worked out a single pipe equilivent I can use the Hazen-Williams formula to calculate the head loss for that single pipe. I have been told that the formula is: Dp^2.62 / = D1^2.62 / + D2^2.66 / Lp^0.54...

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