Boundary-Shear Stress in Unsteady Turbulent Pipe Flow
- 1 February 1959
- journal article
- Published by American Society of Civil Engineers (ASCE) in Journal of the Hydraulics Division
- Vol. 85 (2) , 67-81
- https://doi.org/10.1061/jyceaj.0000276
Abstract
In laminar flow, instantaneous mean velocity and instantaneous velocity profile are dependent upon history of motivating force or piezometric-pressure gradient; in turbulent flow, strong lateral diffusion of turbulent eddies tends to eliminate dependence of velocity distribution upon history of motion; greater degree of generalization of results appears to be possible for unsteady turbulent flow in pipe than for laminar flow.Keywords
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