Search for dissertations about: "channel instability"
Showing result 1 - 5 of 32 swedish dissertations containing the words channel instability.
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1. Instability in Settling Fibres : A Numerical Study
Abstract : Sedimenting suspensions exist in a varity of natural phenomena and industrial applications. It is already observed in experiments that the dilute fibre suspensions experience a concentration instability under gravity at low Reynolds numbers. Initially well-mixed suspensions become inhomogeneous and anisotropic due to this instability. READ MORE
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2. Eulerian Numerical Study of the Sedimentation of Fibre Suspensions
Abstract : Sedimenting suspensions exist in a varity of natural phenomena and industrial applications. It is already observed in experiments that the dilute fibre suspensions experience a hydrodynamics instability under gravity at low Reynolds numbers. Initially well-mixed suspensions become inhomogeneous and anisotropic due to this instability. READ MORE
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3. Numerical studies on flows with secondary motion
Abstract : This work is concerned with the study of flow stability and turbulence control - two old but still open problems of fluid mechanics. The topics are distinct and are (currently) approached from different directions and with different strategies. READ MORE
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4. Development and Application of Reactor Noise Diagnostics
Abstract : A number of problems in reactor noise diagnostics have been investigated within the framework of the present thesis. The six papers presented cover three relatively different areas, namely the use of analytical calculations of the neutron noise in simple reactor models, some aspects of boiling water reactor (BWR) stability and diagnostics of core barrel motion in pressurized water reactors (PWRs). READ MORE
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5. Optimal Control of Boundary Layer Transition
Abstract : .... READ MORE