• Airbag for piping systems 

      Vilberg, Ingrid Kristine (Master thesis, 2010)
      Pressure transients are caused by a change in the volumetric flow in a pipeline system, and can have severe consequences for rapid changes of the volumetric flow. A sudden closure of a valve is a common source of a pressure ...
    • Study of cavitation, pressure pulsations and flow control methods in hydro power plants 

      Vilberg, Ingrid Kristine (Doctoral theses at NTNU;2019:30, Doctoral thesis, 2019)
      Hydro power plants play an important role in balancing power supply and maintaining a constant grid frequency. With the large water storage capacity, hydro power is in a favourable position with regard to operational ...