• inserimento air valve dopo evento transitorio arresto pompa (ho bisogno di aiuto)

    buongiorno, dopo tante domande siamo quasi arrivati alla fine del problema. Dopo aver calcolato un'analisi transitoria di arresto di una pompa con numero di giri variabile ho problemi relativi alla cavitazione e quindi ho inserito dove ho questi problemi…
  • Como superar o mejorar las presiones negativas en las " presión extrema cabezales"(extreme pressure and heads)

    Hola, tengo presiones negativas en las "presión extrema cabezales"(extreme pressure and heads),el sistema es un modelamiento transitorio en HAMMER(adjunto archivo) Ademas me sale este mensaje 44845 "Con tanque unidireccional" "Pipe" "209" "LINEA…
  • Getting reliable results from Bentley Hammer

    Hi, I am modelling a simple system to compare the results to some codes that I have. But, despite having all the configurations similar to codes, I cannot get similar pressure fluctuation. Could you please have a look and let me know the reason? …
  • Hammer results interpretation

    Hello I have modeled a raw water pumping line from a low to a high elevation using Hammer to compute up surge and down surge. My problem is even when using a hydronumatic tank i am getting negative pressures in the pressure envelope at the tail…
  • Hammer Analysis in Raw Water Transmission System

    I'm trying to evaluate the need for surge protection at new well locations in a raw water transmission system. I have a network of 6 wells all pumping to the water treatment plant. I'm new to Water Hammer and surge analysis so I'm just looking for some…