Load Fluctuations in Turbulent Flow

by B. J. Vickery,

Serial Information: Journal of the Engineering Mechanics Division, 1968, Vol. 94, Issue 1, Pg. 31-46

Document Type: Journal Paper


Measurements of lift and drag force fluctuations on elementary building shapes in turbulent flow are reported. It is shown that fluctuations in the drag force can be related to the turbulent velocity fluctuations with the use of a simple momentum model. Tests were conducted in a uniform stream, with a relative intensity of turbulence of approximately 10% and a scale of turbulence of the same order as the major dimensions of the models used. The investigation of load fluctuations in turbulent flow was carried out as part of a study directed towards the assessment of wind loads and wind effects on tall buildings.

Subject Headings: Turbulent flow | Wind loads | Load factors | Flow measurement | Drag (fluid dynamics) | Turbulence | Rivers and streams | Professional societies

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