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  • Users: Jack.C
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  1. Jack.C

    Pipeline Drainage - Simplified Approach

    Hi, Kindly asking for your help on belows query. Let's assume a 10km long DN1000 pipeline with 3 drains at the low points. The initial head is H1 (orange line). After a time step dt a certain amount of water has left the system (I'm using the Toricelli approach) through the 3 drains. How...
  2. Jack.C

    HDPE Pipes - Transients (Roughness / MOP)

    Hi all, I'm looking for advice on best engineering practices for simulating a hydraulic pipeline, particularly regarding the maximum allowable pressure for HDPE pipes during transients. I'm currently working with a PE100 PN16 water pipeline (SDR11) and have calculated a Maximum Operating...
  3. Jack.C

    Air Intake during Drainage

    Dear All, I am reaching out once again with a question and would greatly appreciate your valuable insights, as you have consistently provided in the past. Kindly refer to the accompanying sketch for context. Situation: I am currently dealing with an isolated pipeline that is being emptied via...
  4. Jack.C

    Control Config. of two Pump Groups Feeding the same Tank

    Dear all, I have a situation here which has been bothering me for a while and I really hope someone can give me their expertise on it. Background: I have two pump groups (let's assume three pumps in parallel each), which deliver up to 1.5 m3/s maximum. The amount delivered can vary between...
  5. Jack.C

    Negative Pressure in Pipeline

    Hi all! I need to solve a small case study and am kind of lost. Hopefully you could give me some valuable inputs or explanations. For better illustration of below description, I draw a little sketch (please see below). Normal Operation: There is a main reservoir (on a hill feeding 3...

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