Transient boundary-layer heat transfer from a flat plate subjected to a sudden change in heat flux |
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Institution: | 1. INRIA Bordeaux Sud-Ouest (team CARDAMOM), 200 Avenue de la Vieille Tour, Talence 33405, France;2. University of Bergamo, Department of Engineering and Applied Sciences, Viale Marconi 5, Dalmine 24044 BG, Italy;3. University of Brescia, Department of Mechanical and Industrial Engineering, via Branze 38, Brescia 25123 BS, Italy |
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Abstract: | We examine the transient forced convection heat transfer from a fixed, semi-infinite, flat plate situated in a fluid which, at large distances, is moving with a constant velocity parallel to the plate. Both the fluid and the plate are initially at a constant temperature and the transients are initiated when the zero heat flux at the plate is suddenly changed to a constant value. The thermal boundary-layer equations are solved using numerical techniques to extend a series which is valid for small times and describe fully the development from the initial unsteady state solution (small times) to the ultimate steady state solution (large time). |
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