The velocity and eddy viscosity distribution in the wall region of turbulent pipe flow
| Autor: | Kenneth A. Smith, P.E. Fowles, Thomas K. Sherwood |
|---|---|
| Rok vydání: | 1968 |
| Předmět: |
Turbulence
Chemistry Applied Mathematics General Chemical Engineering Turbulence modeling Reynolds number Thermodynamics General Chemistry Mechanics Industrial and Manufacturing Engineering Pipe flow Physics::Fluid Dynamics symbols.namesake Distribution (mathematics) TRACER symbols Intensity (heat transfer) |
| Zdroj: | Chemical Engineering Science. 23:1225-1236 |
| ISSN: | 0009-2509 |
| DOI: | 10.1016/0009-2509(68)89032-3 |
| Popis: | Instantaneous axial and circumferential components of both velocity and turbulent intensity were measured in the wall region (to y+ = 0·2) for water flowing in a 2 in. glass pipe of Reynolds numbers of 8000 to 50,000. A flow-visualization technique was employed, involving dark-background multiple exposure microphotography of minute tracer particles. Differentiation of the measured velocity profiles yields values of the eddy viscosity which are several times greater than those commonly assumed to apply at y+ |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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