Hydrodynamic damping of a cylinder at B-10(6)
Chaplin, J. R. (2000) Hydrodynamic damping of a cylinder at B-10(6). Journal of Fluids and Structures, 14, (8), 1101-1117. (doi:10.1006/jfls.2000.0318).
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This paper describes delicate, but large-scale, experiments aimed at measuring the hydrodynamic damping of a circular cylinder oscillating in still water and transversely in a current. Attention is concentrated on the regime of very small Keulegan–Carpenter numbers, in which the drag coefficient is inversely proportional to the Keulegan–Carpenter number. Measurements in still water at β=650 000 and 1250 000 point to drag coefficients about twice those appropriate to two-dimensional laminar flow, in common with earlier measurements at β≈105. In the presence of a slowly varying transverse current (generated by placing the cylinder at the node of standing waves of long period), the damping increased with the reduced velocity of the ambient flow at a rate that increased with the Reynolds number.
|Subjects:||T Technology > TA Engineering (General). Civil engineering (General)
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > School of Civil Engineering and the Environment
|Date Deposited:||11 Mar 2010|
|Last Modified:||02 Mar 2012 11:54|
|Contributors:||Chaplin, J. R. (Author)
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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