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Theoretical and experimental studies of bubble growth at an orificeVidinha, Tania Dos Santos Moreno January 2003 (has links)
No description available.
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Investigation in the validity of the PIV method in analysing the structure of a trailing vortexReinecke, Hannes January 2000 (has links)
No description available.
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Electrokinetic flow diagnostics using micro particle image velocimetryHoriuchi, Keisuke, January 2005 (has links) (PDF)
Thesis (Ph.D.)--Washington State University, December 2005. / Includes bibliographical references (p. 143-155).
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Video-based particle image velocimetry of laboratory rip currentsHe, Liang. January 2007 (has links)
Thesis (M.C.E.)--University of Delaware, 2006. / Principal faculty advisor: Jack Puleo, Dept. of Civil & Environmental Engineer. Includes bibliographical references.
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2D PIV study of grid turbulenceCardesa Dueñas, José Ignacio January 2012 (has links)
No description available.
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Untersuchungen zur instationären Aerodynamik an einem vogelähnlichen FlügelschlagmodellHubel, Tatjana. Unknown Date (has links)
Techn. Universiẗat, Diss., 2006--Darmstadt.
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Flow-acoustic coupling in a cavity-pipeline system /Oshkai, Peter, January 2002 (has links)
Thesis (Ph. D.)--Lehigh University, 2002. / Includes vita. Includes bibliographical references (leaves 162-169).
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Hydrodynamics of fishing gear at twine and mesh scales : an experimental studyGretland, Steffen Khoo January 2015 (has links)
This study on the hydrodynamics of fishing gear focuses on fish nets. A multi-scale concept has been introduced. By decomposing the fish net structure into 4 distinct scales of flow structure interaction (twine, node, mesh and substructure scales) the complexity is reduced with the potential to integrate new knowledge at each scale to form an overall picture of flow-gear interactions. Within the scope and time-frame of the project, experiments were carried out at the twine and mesh scales. Two sets of experiments were designed at twine scale. The first featured synchronous velocity and drag force measurements on various rigid cylinders consisting of circular cylinders and cylinders inspired by twisted twine. The second aimed to study the cylinder near-wakes in greater detail than previously using PIV. At mesh scale, experiments using rigid bi-plane grids were conducted with individual focus on investigating grid turbulence and flow-grid interactions respectively. The twisted cylinders did not affect mean drag, likely due to free-stream turbulence acting on the boundary layers and free shear layers possibly negating the effects of the twisted cylinder geometry. In the near-wake, the twisted cylinders deflected the free stream into the wake and secondary vortices were introduced, shed along the cylinder span, de-correlating the flow field and in one instance, destroying regular vortex shedding. At mesh scale, for low solidities, a limiting value for mesh length was found where the total drag was dominated by individual contribution of bars. The key to altering the turbulence properties of the flow was found to be alteration of the spectral energy in the largest turbulence scales. For turbulence generation, the spectral energy should be increased and for turbulence suppression, spectral energy should be decreased in the largest turbulence scales.
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An investigation into water ingress through ground vehicle heating ventilation and air conditioning unitAbdul Ghani, S. A. A. January 2002 (has links)
No description available.
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Particle Image Velocimetry Study on the Stripe Formation in Vertically Vibrated GranulesDeng, Rensheng, Wang, Chi-Hwa 01 1900 (has links)
Recently, granules under vertical vibrations receive many attentions due to their importance in theoretical research and engineering application. In this paper, a two-dimensional Particle Image Velocimetry (PIV) system was used to examine the f/2 stripe pattern forming in a vertically vibrated granular layer. Since the PIV sampling frequency does not match with the vibrating frequency, a special identification-coupling method was adopted to combine the images taken in different cycles to offer the information in one complete cycle. The measured velocity vectors showed exactly the particle motions at various stages of a motion cycle, illustrating the alternating peaks and valleys on the layer top. Furthermore, quantitative results on the temporal evolution of velocity profiles were obtained and some other interesting phenomena were observed, such as the appearance of local structures (e.g. dual-phase layer structure) and the moving feature of the 'standing point'. The mechanism accounting for the occurrence of stripes on the surface is also discussed. This work will be of interest to a better understanding on pattern formation in the vibrating granular bed. / Singapore-MIT Alliance (SMA)
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