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ISSN Online: 2377-424X

ISBN Print: 0-89116-299-2

International Heat Transfer Conference 7
September, 6-10, 1982, Munich, Germany

MODIFICATION OF THE TURBULENT TEMPERATURE FIELD IN STRONGLY HEATED AIR FLOWS

Get access (open in a dialog) DOI: 10.1615/IHTC7.1800
pages 253-256

Sinopsis

One-point structure of the temperature fluctuations in air flows at different mean temperatures (up to 400°C) is investigated in order to get informations on the laminarisation mechanism with strong heating. Experiments at constant velocity or at constant Reynolds number are conducted. The Reynolds number appears as the regularizing para meter for the temperature fluctuation intensity. But, for transitional Reynolds numbers this intensity decreases with increasing mean temperature. The fine structure of the temperature field shows a strong dependence on the mean temperature even for constant Reynolds number flows.