Title: In-line forces acting on smooth cylinders in harmonic flow.
Abstract: Abstract : The in-line force acting on smooth circular cylinders placed in oscillatory flow has been measured using a recently constructed U-tunnel. The drag and inertia coefficients have been determined through the use of the Fourier analysis and found to depend on Reynolds number as well as Keulegan-Carpenter number for Reynolds numbers about greater than 25,000. A new parameter namely the 'Frequency Parameter' has been defined as the ratio of the Reynolds number to the Keulegan-Carpenter number, and the existence of unique relations between frequency parameter and the drag and inertia coefficients have been shown. It is recommended that the experiments be extended to even larger Reynolds numbers using the same experimental technique and apparatus.
Publication Year: 1975
Publication Date: 1975-12-01
Language: en
Type: article
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