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Início Arquivos Thermal Letter Representantes Futuras reuniões Assembléia das Conferências Internacionais de Transferência de Calor
International Heat Transfer Conference 4
1970, 31 August - 5 September, Paris-Versailles, France

TEMPERATURE PROFILES AND HEAT TRANSFER ASSOCIATED WITH A SINGLE DISK ROTATING IN STILL AIR

Get access DOI: 10.1615/IHTC4.2400
pages 1-11

Resumo

Temperature profiles and local heat transfer coefficients were experimentally measured for a disk rotating in air. For local Reynolds numbers less than 2.4 × 105, the profiles and heat transfer coefficients exhibit good agreement with theoretical laminar predictions. Time fluctuations in the profiles were observed for Reynolds numbers between 2.4 × 105 and 5.5 × 105 indicating the presence of turbulence. These profiles could best be represented by a 1/5 power profile rather than the 1/7 power profile normally assumed. A prediction for the average turbulent Nusselt number based on the integral energy equation assuming a 1/5 power temperature profile is presented.
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