• Transient drilling fluid flow in Venturi channels: comparing 3D and 1D models to experimental data 

      Welahettige, Prasanna Kumara Welahetti (Doctoral dissertations at the University of South-Eastern Norway;41, Doctoral thesis, 2019-09-26)
      In well drilling operations, bottom hole pressure control within a narrow pressure margin has a high risk of influx (kick) and outflux (loss) at greater depths. Kick occurs when the formation pressure is higher than ...
    • Waste as feed to a biomass gasification reactor 

      Jaiswal, Rajan (Doctoral dissertations at the University of South-Eastern Norway;202, Doctoral thesis, 2024-06-20)
      Solid waste management has been a global challenge. With the growing population, an increase in solid waste from households, agriculture, and industries is inevitable. At the same time, rapid industrialization and technological ...