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  1. dreamer81

    Convert measured data into equation

    I have to make the conversion in my .NET application :(
  2. dreamer81

    Convert measured data into equation

    Hi, i have some measured data, that when you plot them will result in a 3rd order polynomium. Anyone know of a way to calculate the 3rd order coefficients???
  3. dreamer81

    understanding a pump curve

    An additional comment: I am going to make an application that can load pump curve and power curve coefficients into a frequenzy converter. Has anyone any experience with this? Or know of a similar program???
  4. dreamer81

    understanding a pump curve

    Ohhh... for instance a water hose. When u put ur thumb in front of it, and only let a little slip out, the pressure is high, but almost no flow.... and when u take ur thumb off of it, the pressure is low, but the flow is high... thanx i get it now :D
  5. dreamer81

    understanding a pump curve

    ok, looking on pressure as the height the pump can lift the water, makes it more clear to me.
  6. dreamer81

    understanding a pump curve

    hi, im kinda new here, but ill ask anyways. We all know what a pump curve looks like example here http://www.mcnallyinstitute.com/02-html/2-03.html i dont understand it though. When the capacity is low, the pressure (head) is high. That doesn't make sense to me. When the pump only lets 1...

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