Wind Effect on Oblique Motion of Two Bodies in a Uniform Flow

by Allen T. Chwang, Univ of Iowa, Iowa City, United States,
Ching-Jer Huang, Univ of Iowa, Iowa City, United States,



Document Type: Proceeding Paper

Part of: Engineering Mechanics

Abstract: The wind effect on the general translational motion of a circular cylinder through an inviscid and incompressible fluid, conveyed by a uniform flow at infinity, in the vicinity of another cylinder fixed in space is considered. It is found that the trajectories of the moving cylinder do not change much, if the magnitude of the wind velocity is the same as that of the current velocity, except that they shift slightly in the direction of the wind. However, when the wind velocity is five times the magnitude of the current velocity, the trajectories of the moving cylinder change greatly, particularly when the direction of the wind is perpendicular to the current velocity.

Subject Headings: Fluid velocity | Fluid flow | Wind forces | Wind speed | Motion (dynamics) | Cylinders | Wind direction

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