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Title: Application of potential theory to steady flow past two cylinders in tandem arrangement
Authors: Gao, Yangyang
Tan, Danielle S
Hao, Zhiyong
Wang, Xikun
Tan, Soon Keat
Keywords: DRNTU::Engineering::Civil engineering
Issue Date: 2014
Source: Gao, Y., Tan, D. S., Hao, Z., Wang, X., & Tan, S. K. (2014). Application of Potential Theory to Steady Flow Past Two Cylinders in Tandem Arrangement. Mathematical Problems in Engineering, 2014, 495179-.
Series/Report no.: Mathematical problems in engineering
Abstract: The wake flow patterns associated with flow past a cylinder and a cylinder-pair in tandem configuration are revisited, compared, and evaluated with respect to the streamline patterns generated based on potential flow theory and superposition of various potential flow elements. The wakes, which are vortex shedding in the lee of the cylinder(s), are reproduced by placing pairs of equal but opposite circulation elements in the potential flow field. The strength of the circulation elements determines the size of the vortices produced. The streamline patterns of flow past a pair of unequal cylinders in tandem configuration provide an indirect means to establish the threshold condition for the wake transition from that of a single bluff body to alternating reattachment behavior. This threshold condition is found to be a function of the diameter ratio, (diameters and , ), spacing ratio, (centre-to-centre distance, , to cylinder diameter, ), and equivalent incident flow speed, A unique functional relationship (, , ) of this threshold condition is established.
ISSN: 1024-123X
DOI: 10.1155/2014/495179
Schools: School of Civil and Environmental Engineering 
Research Centres: Maritime Research Centre 
Nanyang Environment and Water Research Institute 
Rights: © 2014 The Author(s). This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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