Sökning: "Srdjan Sasic"

Hittade 4 avhandlingar innehållade orden Srdjan Sasic.

  1. 1. Fluid Dynamics of Fluidized Bed Reactors: Experiments and Simulations with System Interactions

    Författare :Srdjan Sasic; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Air-supply system; Interaction; Fluidized bed; Pressure waves; Pressure fluctuations;

    Sammanfattning : This thesis is a study of the interaction between the fluidized-bed dynamics and the pressure and flow pulsations from the air-supply system. The interaction has been identified as a key process to understand in order to correctly formulate inlet boundary conditions in numerical modelling of fluidized beds, operated under industrial conditions. LÄS MER

  3. 2. An experimental study of fiber suspensions between counter-rotating discs

    Författare :Charlotte Ahlberg; Daniel Söderberg; Fredrik Lundell; Srdjan Sasic; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; fiber suspension flow; rotating discs. shear flow; self-organization of fibers; Fluid mechanics; Strömningsmekanik;

    Sammanfattning : The behavior of fibers suspended in a flow between two counter-rotating discs has been studied experimentally. This is inspired by the refining process in the papermaking process where cellulose fibers are ground between discs in order to change performance in the papermaking process and/or qualities of the final paper product. LÄS MER

  4. 3. Hydrodynamic stability and turbulence in fibre suspension flows

    Författare :Mathias Kvick; Fredrik Lundell; Srdjan Sasic; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; fluid mechanics; fibre suspension; turbulence; image analysis; hydrodynamic stability; nano-fibrillated cellulose;

    Sammanfattning : .... LÄS MER

  5. 4. Numerical study of interface dynamics and phase change

    Författare :Armin Shahmardi; Luca Brandt; Srdjan Sasic; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Teknisk mekanik; Engineering Mechanics;

    Sammanfattning : Multi-phase fluid flows are ubiquitous in natural phenomena and different industrial applications such as in food industry, the medical sector, heat exchangers, power generation systems, to name a few.  Understanding the underlining  physics of multi-phase flows  proved to be a challenging task due to presence of sophisticated dynamics, including the evolution of the interface between any pair of phases, thermodynamics and possibility of phase change, interactions between the fluid phases and a solid phase, etc. LÄS MER