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Dynamic pressure

  1. Jun 16, 2006 #1
    A house has x meters of vertical piping with water flowing through. I'm just wondering if it is correct that one for every vertical meter of pipe loses 9,81 kPa of dynamic pressure?
  2. jcsd
  3. Jun 17, 2006 #2

    Andrew Mason

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    Correct. Dynamic or static pressure.

    [tex]P = F/A = mg/A = \rho V g/A = \rho Ahg/A = \rho hg[/tex]

    where h is the height and g is the acceleration due to gravity.

    Since for water [itex]\rho = 1 \text{g/cm}^3 = 1000 \text{kg/m}^3[/itex], the pressure contributed by one metre high of water is 9.81*1000 Pa = 9.81KPa.

    Last edited: Jun 17, 2006
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