Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/18896
Title: Numerical studies on the early stages of an impulsively started unsteady flow past sharp-edged cylinders at different incidence angles
Authors: LI FUKUN
Keywords: early stages; unsteady flow; sharp-edged cylinders; incidence angle; vortex shedding; shedding location
Issue Date: 27-Jan-2006
Source: LI FUKUN (2006-01-27). Numerical studies on the early stages of an impulsively started unsteady flow past sharp-edged cylinders at different incidence angles. ScholarBank@NUS Repository.
Abstract: Characteristics of the development of an impulsively started flow past sharp-edged cylinders at different incidence angles were studied numerically. The inflow Reynolds number considered ranges from 25 to 250. Main characteristics of the vortex shedding processes were studied through the developing streamlines. Other flow characteristics are analyzed in terms of pressure contours, surface pressure coefficient and drag coefficient. The continuous alternate vortex shedding processes from the slant edge and the base are analyzed. The larger the Reynolds number, the faster the process of vortex shedding. The angle between the slant edge and the flow direction and the angle between the base and the flow direction determine the shedding location of the first vortex.
URI: http://scholarbank.nus.edu.sg/handle/10635/18896
Appears in Collections:Master's Theses (Open)

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