Search for dissertations about: "preferential flow"
Showing result 11 - 15 of 41 swedish dissertations containing the words preferential flow.
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11. Hydrodynamics considerations in cells systems from ocean flow to perfusion cultivation process
Abstract : Microorganisms and animal cells are grown surrounded by fluid, which is providing them with nutrients and removing their waste products. In nature and industry processes, cells/microbes can be subject to aggressive environments, such as turbulent flow or shear flow. READ MORE
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12. Transition in Particle-laden Flows
Abstract : This thesis presents the study of laminar to turbulent transition of particle laden flows. When a flow becomes turbulent, the drag increases one order of magnitude compared to a laminar flow, therefore, much research is devoted to understand and influence the transition. READ MORE
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13. Water and Heat Balances for Urban Surfaces
Abstract : Water and heat flows for three different types of surfacefound within Stockholm, Sweden, were simulated with asoil-vegetation-atmosphere transfer (SVAT) model. Theinfiltration process of a till soil was investigated toestimate the importance of preferential water flow. READ MORE
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14. Solute transport in the integrated soil-groundwater system
Abstract : A Lagrangian stochastic travel time approach has been usedfor investigating dominant process impacts on (non-reactive andreactive) solute transport in the integrated soil-groundwatersystem. A first step has also been taken to extending thisLagrangian stochastic travel time approach to integrate thesoil-groundwater-stream transport through a catchment. READ MORE
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15. Model predictions of turbulent gas-particle shear flows
Abstract : A turbulent two-phase flow model using kinetic theory of granularflows for the particle phase is developed and implmented in afinite element code. The model can be used for engineeringapplications. However, in this thesis it is used to investigateturbulent gas-particle flows through numerical simulations. READ MORE