Blar i Institutt for maskinteknikk og produksjon på tidsskrift "International Journal of Fluid Machinery and Systems"

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    • Hydrodynamic Damping of a Fluttering Hydrofoil in High-speed Flows 

      Bergan, Carl Werdelin; Solemslie, Bjørn Winther; Østby, Petter Thorvald Haug; Dahlhaug, Ole Gunnar (Journal article; Peer reviewed, 2018)
      A hydrofoil resembling a high head Francis runner blade was submerged in a rectangular channel and attached to the walls in a fixed-beam configuration. The hydrofoil was excited by piezoelectric Macrofiber composite actuators ...

    • On the External Effects Affecting Torsional Modes in Guide Vanes 

      Østby, Petter Thorvald Krogh; Myrvold, Eivind; Jan Tore, Billdal; Haugen, Bjørn (Journal article; Peer reviewed, 2019)
      Rotor stator interaction in high-head Francis turbines has led to several failures in recent years. Increasing efficiency demands require design optimization of the turbine components, which may lead to thinner profiles. ...