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Recent content by madassteve

  1. madassteve

    Micro Hydro Turbine, pressure and head, efficiency

    Ok thanks, that is helpful but I think I phrased exactly what I was trying to ask quite poorly. Say for example if you have a substantially large 20m high storage tank, and at the bottom of the drop you have a ball valve connected to the end of the penstock pipe with a pressure gauge one side...
  2. madassteve

    Micro Hydro Turbine, pressure and head, efficiency

    Hi, I have a question regarding the calculation of turbine efficiency. If there is a certain head available at a hydro site, say 20m then the pressure will be approx 2 bar. However the pressure at the inlet of the turbine will be lower than this when the turbine is running becuase of the flow...
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