Vortex Shedding From Cylinders With Step Changes In Diameter In Uniform And Shear Flows PDF Download
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Author | : Warren R. Dunn |
Publisher | : |
Total Pages | : 0 |
Release | : 2004 |
Genre | : Cylinders |
ISBN | : |
Download Vortex Shedding from Cylinders with Step-changes in Diameter in Uniform and Shear Flows Book in PDF, ePub and Kindle
Author | : Sathish Balasubramanian |
Publisher | : |
Total Pages | : 136 |
Release | : 1995 |
Genre | : Shear flow |
ISBN | : |
Download Modeling Vortex Shedding from Non-uniform Cylinders in Non-uniform Flow Fields Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 768 |
Release | : 2005 |
Genre | : Dissertations, Academic |
ISBN | : |
Download Dissertation Abstracts International Book in PDF, ePub and Kindle
Author | : Sathish Balasubramanian |
Publisher | : |
Total Pages | : 268 |
Release | : 1998 |
Genre | : Cylinders |
ISBN | : |
Download Vortex-excited Vibrations of Pivoted Cylinders in Uniform and Shear Flows Book in PDF, ePub and Kindle
Author | : Turgut Sarpkaya |
Publisher | : |
Total Pages | : 126 |
Release | : 2003 |
Genre | : Vibration |
ISBN | : |
Download A Critical Review of the Intrinsic Nature of Vortex Induced Vibrations Book in PDF, ePub and Kindle
This is a concise and comprehensive review of the progress made during the past two decades on vortex induced vibration (VIV) of mostly circular cylindrical structures subjected to steady uniform flow. The critical elements of the evolution of the ideas, theoretical insights, experimental methods, and numerical models are traced systematically; the strengths and weaknesses of the current state of the understanding of the complex fluid/structure interaction are discussed in some detail. Finally, some suggestions are made for further research on VIV. The organization of the paper is given at the end of the next section.
Author | : |
Publisher | : |
Total Pages | : 0 |
Release | : 1980 |
Genre | : |
ISBN | : |
Download Vortex Shedding from Stationary and Vibrating Bluff Bodies in a Shear Flow Book in PDF, ePub and Kindle
If a fluid is in relative motion past a stationary bluff, or unstreamlined, structure and the vortex shedding frequency approaches one of the natural frequencies of the structure, then resonant flow-induced oscillations of the structure can occur when the damping of the system is sufficiently low. These resonant oscillations are accompanied by a 'lock-on' or capture of the vortex shedding frequency by the vibration frequency over a range of flow speeds, and this lock-on effect causes the wake and the structure to oscillate in unison. The periodic lift and the mean drag forces are amplified as a result of the vibrations, and changes in these fluid forces are closely related to the changes that occur in the flow field in the near wake of the body. Many practical ocean and wind engineering situations involve lightly-damped structures that are located in flows of air or water that are nonuniform along the length of the structure. The primary difference between a uniform flow and a shear flow is the presence and added complexity, in a shear flow, of vorticity whose vector is normal to the plane of the flow. When the incident flow approaches the body this vorticity is turned into the flow direction and interacts with the vortices which are shed from the body into the wake.
Author | : |
Publisher | : |
Total Pages | : 236 |
Release | : 1948 |
Genre | : Aerodynamics |
ISBN | : |
Download ESDU Engineering Sciences Data Book in PDF, ePub and Kindle
Author | : Danny Ngar Man Kwan |
Publisher | : |
Total Pages | : 293 |
Release | : 1989 |
Genre | : |
ISBN | : |
Download The Effect of Rotational Oscillation on Vortex Shedding for a Circular Cylinder in Uniform Flow Book in PDF, ePub and Kindle
Author | : Ryan J. Ferris |
Publisher | : |
Total Pages | : 79 |
Release | : 2014 |
Genre | : Cylinders |
ISBN | : 9781321400540 |
Download Numerical Investigations of Flow Past a Partially Rotating Stepped Cylinder Book in PDF, ePub and Kindle
Abstract: Numerical investigations of flow past a partially rotating, circular cross-section, stepped cylinder in uniform flow at varying velocity ratios, diameter ratios and Reynolds Numbers are performed. The resulting flow fields are analyzed visually for the effect of rotation on the wake and numerically for the effect on lift/drag forces as well as vortex shedding rates. Simulations are run where either the large or small-diameter cylinder was rotating while the other cylinder was held stationary. Simulations were performed with end plates to minimize end effects. Results show with increasing the velocity ratio when the large cylinder rotates, vortex shedding is suppressed across the entire wake span. Comparatively, an increase in velocity ratio for the small-diameter cylinder during rotation results in increased wake activity and a larger drag force.
Author | : A. Vitale |
Publisher | : |
Total Pages | : 72 |
Release | : 1978 |
Genre | : Fluid dynamics |
ISBN | : |
Download Vortex Shedding of a Circular Cylinder in Ground Effect Book in PDF, ePub and Kindle