Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"Solid Sphere"”.
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The transient motion of a solid sphere between parallel walls
… of the velocity field in a fluid around a solid sphere undergoing transient motion parallel to, and midway between, two plane walls. Particle Image Velocimetry (PIV) was used to measure the velocity at many discrete locations in a plane that was perpendicular to the walls and included the …
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Phase transfer in a collision between a droplet and solid spheres
… of heat and mass transfer during the droplet solid collision is essential to the design and operation of many industrial systems. However, very limited systemic research is available to describe the droplet impact on hot solid spheres. This paper aims to establish a systematic investigation of …
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Fluid Dynamics in Liquid Entry and Exit
Interaction between a solid body and a liquid-air interface plays an important role in multiphase flows, which includes numerous engineering applications such as mineral flotation, dip coating operations, and air-to-sea and sea-to-air projectiles. It is also crucial in animal behaviors like the …
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Modelling the flow behaviour of gas bubbles in a bubble column
… experimental data for the flow of water around a solid sphere and was found to be in close agreement for the Reynolds number range 25 to 80. The simulation results from the Stokes flow model were compared with those from the NVS flow model and were similar at Reynolds numbers below 1. The …
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The effects of freestream turbulence on the drag of a sphere
… parameters on the drag coefficient of a solid sphere were experimentally investigated in a closed-circuit wind tunnel. The Reynolds number, Re = Ud/ν, was varied from 2.2×104 to 8×10 4 by using spheres of different sizes in addition to altering the freestream velocity, U. Two different …
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Rotating, hydromagnetic laboratory experiment modelling planetary cores
… core, contains liquid sodium between an inner, solid sphere and an outer, spherical shell. The fluid is driven by the differential rotation of these two boundaries, each of which is connected to a motor. Applying an axial, DC magnetic field, we use a collection of Hall probes to measure the …
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Assessing and Modulating Tumor Dose Coverage of Unsealed Radionuclide Therapies using Voxel Dosimetry
… and spatial blur were also generated from the solid sphere geometries using a combination of core diameter and core-to-tumor uptake fraction to interrogate the dose consequences of underdosing these regions.</p>
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Dynamics of particle clouds related to open-water sediment disposal
… increased k to a value similar to that of a solid sphere. Integral model results confirm the suitability of using constant coefficients for modeling particle clouds with Nc less than 10-. When Nc is greater than 10-4, time-varying a and k are required to properly simulate cloud behavior in …
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Evaporating crossflow sprays in gas-solid flows
Injection of evaporating sprays into gas-solid flows is encountered in many engineering processes such as energy production industry and chemical industry. The phenomenon involves phase change, three-phase interactions, heat and mass transfer. All of these characteristics control the process …