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  1. swilson3

    Pressure Loss Calculations in Double Walled Pipe

    Chicopee, Thanks for the reply. Working with the hydraulic radius is essentially what I have been looking at doing, but I am not sure how accurate that simplification is - especially for elbows. sw
  2. swilson3

    Pressure Drop Calculations for Double-walled Pipe

    Hi all, I am looking to (roughly) calculate pressure drops for ventilation air across the outer area of double walled fittings (elbows, straights). I can't seem to find any literature on how to best approximate this type of losses. ie a DN125 pipe inside the DN300 pipe where the ventilation air...
  3. swilson3

    Pressure Loss Calculations in Double Walled Pipe

    Hi all, I am looking to (roughly) calculate pressure drops for ventilation air across the outer area of double walled fittings (elbows, straights). I can't seem to find any literature on how to best approximate this type of losses. ie a DN125 pipe inside the DN300 pipe where the ventilation air...

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