• Penstock for 4 turbines

    Hi. I have a problem with a simulation of a 920 meters penstock which feeds four pelton turbines (2 with 0.9 m3/s and 2 with 1.1 m3/s) in my model the pressure of the penstock´s end is 686.92 m H2O and in previous calculations this value should be 258…
  • Modelling a Pelton

    I am modelling a hydro station with 4 pelton units for pressure rise and mass surge. I have currently modelled these as a discharge to atmosphere element as is recommended in the Hammer knowledge base. However, using a discharge-to-atmosphere element…