• Aspen Plus Simulation of Biomass Gasification with known Reaction Kinetic 

      Eikeland, Marianne Sørflaten; Thapa, Rajan Kumar; Halvorsen, Britt (Conference object; Peer reviewed, 2015-11-25)
      The energy from biomass can be utilized through the thermochemical conversion processes of pyrolysis and gasification. The Aspen Plus simulation tool is applicable for simulation of the gasification processes. The most ...
    • Experimental and Computational study of Chemical Looping Combustion 

      Thapa, Rajan Kumar; Wijeratne, D. I. Erandi N.; Moldestad, Britt Margrethe Emilie (Journal article; Peer reviewed, 2018)
      In this paper, the fluidization properties of possible oxygen carriers in Chemical Looping Combustion (CLC) have been studied. Experiments were performed in a cold fluidized bed to study fluidization properties of particles ...
    • Experimental and Computational Study of Oxygen Carriers in Chemical Looping Combustion 

      Thapa, Rajan Kumar; Wijeratne, D. I. Erandi N.; Moldestad, Britt Margrethe Emilie (Journal article; Peer reviewed, 2018)
      In this paper, the fluidization properties of possible oxygen carriers in Chemical Looping Combustion (CLC) have been studied. Experiments were performed in a cold fluidized bed to study fluidization properties of particles ...
    • Investigation of flow behaviour in biomass gasifier using Electrical capacitance Tomography (ECT) and pressure sensors 

      Thapa, Rajan Kumar; Rautenbach, Christo; Halvorsen, Britt (Conference object; Peer reviewed, 2011)
      The particles in a biomass gasifier are mainly a mixture of wood chips, char particles and bed material. The charwood particles have a significant lower density than the bed material, and also a wider range of particle ...
    • Optimization of flow behavior in biomass gasification reactor 

      Thapa, Rajan Kumar (Doctoral dissertations at TUC;2015:2, Doctoral thesis, 2015)
      Dual fluidized bed reactor for steam gasification of biomass is a promising technology and can be used in Combined Heat and Power (CHP) production. The producer gas from the reactor can have a calorific value up to 14 ...
    • Screening of Kinetic Rate Equations for Gasification Simulation Models (opptrykk) 

      Solli, KjellArne; Thapa, Rajan Kumar; Moldestad, Britt Margrethe Emilie (Journal article; Peer reviewed, 2018)
      The energy from biomass can be utilized through the thermochemical conversion process of pyrolysis and gasification. The process involves solid phase and fluid phase interactions. Computational Particle Fluid Dynamics ...
    • Simulation of Simplified Model for Reaction Kinetics in Biomass Gasification 

      Agu, Cornelius Emeka; Thapa, Rajan Kumar; Halvorsen, Britt (Conference object; Peer reviewed, 2015-11-25)
      Due to complexity in interactions between solid particles and between particles and carrier fluid, modeling of biomass gasification kinetics has been shown to be very challenging. Some commercial packages such as Barracuda ...
    • Stepwise Analysis Of Gasification Reactions With Aspen Plus And Cpfd 

      Eikeland, Marianne Sørflaten; Thapa, Rajan Kumar (Journal article; Peer reviewed, 2017)
      The energy from biomass can be utilized through the thermochemical conversion processes of pyrolysis and gasification. Biomass such as wood chips is heated in a gasification reactor to produce a synthesis gas containing ...
    • Study of fluidized bed regimes using Computational Particle Fluid Dynamics 

      Jaiswal, Rajan; Agu, Cornelius Emeka; Thapa, Rajan Kumar; Moldestad, Britt Margrethe Emilie (Journal article; Peer reviewed, 2018)
      The fluidization technology has a wide range of applications. In chemical synthesis, fluidized bed is used to enhance heat and mass transfer between the reacting species. More application of this technology can also be ...