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 7 of 7 for “"partial slip"”.
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An Investigation of Dolphin-Groove Inspired Surface Patterning on Flow Control
… the sinusoidal cavities which can lead to a partial slip condition effect in the wall vicinity. DPIV results quantify momentum adjacent to the grooved surface and the corresponding flow separation. Separation is quantified by length and the location and height of the maximum separation. The …
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Measurement and Control of Slip-Flow Boundary Conditions at Solid-Gas Interfaces
… flow are similar to the mean free path, and thus partial slip is expected. This regime has become more important with increased focus on nano-scale devices, but there is currently no consensus on how the slip length should vary for different solids and gases, or whether it can be controlled. In …
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Turbulence Modelling of Tidal Currents in Rectangular Harbours
… closed boundary conditions, including the no-slip, semi-slip and partial-slip, have been considered for the turbulence diffusion terms in the hydrodynamic equations and in using zero-equation turbulence models. These closed boundary conditions have been found to lead to a significant …
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Inertial Hysteresis Couplings
… Coupling (IHC), a new family of variable-slip mechanical couplings/clutches aimed at achieving order-of-magnitude (∼10x) improvements in torque density (torque capacity / coupling diameter) over existing magnetic and fluid options. IHCs leverage combined normal, frictional, and inertial …
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Analytical investigation of fretting wear with special emphasis on stress based models
… fatigue or wear or both. Two distinct regimes – partial slip and gross slip are typically observed in fretting contacts. Due to the nature of contact, various factors such as wear debris, oxidation, surface roughness, humidity etc. effect failures caused due to fretting. A number of different …
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Passive and active approaches to sustained turbulent hydrodynamic drag reduction using superhydrophobic surfaces
… their rough texture when submerged in water. A partial slip condition is created at the interface between the water and the submerged body, allowing for a reduction in skin friction drag. I begin by identifying and fabricating several superhydrophobic surfaces, and testing their ability to …
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Multiscale physics-based modeling of friction
… work account for loading-history dependence, partial slip, gross slip, nonlinear stiffness and energy dissipation characteristics of frictional contacts. In doing so, the models require no curve-fit or look-up parameters. Instead, the formulations are developed from continuum mechanics, and …