The forces on a cylinder oscillating sinusoidally in water: 11, further experiments.

C. Dalton, A. K.M.F. Hussain, J. P. Hunt

Research output: Contribution to journalArticle

Abstract

This paper deals with wave forces on a single cylinder. The wave forces are simulated in a laboratory by oscillating a cylinder sinusoidally in water otherwise at rest. This effort is a parametric study relating a force coefficient to such variables as instantaneous Reynolds numbers, period parameter, and d/NUT. The force is not decomposed into drag and inertia components, but is represented as a continuous function of the previously mentioned parameters. The idea is to determine how the acceleration affects the force. Considerable deviation from a Reynolds-number only dependence is noted for low Reynolds numbers. The steady-flow drag coefficient value is as symptotically obtained for large Reynolds numbers. (A)

Original languageEnglish
Pages (from-to)159-167
Number of pages9
JournalIN: PROC. EIGHTH ANNUAL OFFSHORE TECHNOL. CONF., (HOUSTON TEXAS: MAY 3-6, 1976), DALLAS TEXAS, OFFSHORE TECHNOL. CONF.
Volume2 , 1976, paper OTC 2538
StatePublished - 1976

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