Abstract
AbstractThe local and macroscopic thermal transfer coefficients were experimentally investigated for a 1.5‐in. copper cylinder located in a transverse flowing turbulent air stream. Measurements of local transport and pressure coefficient were made throughout the entire perimeter of the cylinder. The Reynolds number was varied from 2,600 to 86,000 and the free‐stream turbulence from 0.013 to 0.25. The estimated integral turbulence scale was found to vary from 0.3 to 0.5 in. over the range of conditions of flow investigated. The local transfer coefficient near stagnation increased 35% as a result of an increase in turbulance over the range indicated. Displacements of the locus of separation with varying Reynolds numbers and turbulence level were found.
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