Effects of Turbulence on Laminar Skin Friction and Heat Transfer
- 1 December 1966
- journal article
- Published by AIP Publishing in Physics of Fluids
- Vol. 9 (12), 2337-2344
- https://doi.org/10.1063/1.1761623
Abstract
Experiments were performed in two low‐turbulence wind tunnels (u∞′ < 0.1%) to determine the effects of turbulence on heat transfer from plates and circular cylinders in incompressible flow. Grid turbulence up to 6% was imposed. Heat transfer was increased about 30% in the laminar region of a flat plate and up to 70% on a circular cylinder; smaller though still significant increases in shearing stress at the wall were measured by hot wires near the surface. A phenomenological theory is given which shows good agreement with the experimentKeywords
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