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International Heat Transfer Conference 9

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

UNSTEADY BUOYANCY INDUCED FLOW AND HEAT TRANSFER IN A HEATED INCLINED OPEN CHANNEL

T. F. Lin
Department of Mechanical Engineering, National Chiao Tung University 1001 Та Hsueh Road, Hsinchu, Taiwan, R.O.C.

C. Liu
Department of Mechanical Engineering, National Chiao Tung University 1001 Та Hsueh Road, Hsinchu, Taiwan, R.O.C.

T.S. Chang
Department of Mechanical Engineering, National Chiao Tung University 1001 Та Hsueh Road, Hsinchu, Taiwan, R.O.C.

DOI: 10.1615/IHTC9.3250
pages 525-530

Аннотация

Detailed numerical analysis is carried out to study unsteady buoyancy-induced flow and heat transfer in a one-side heated inclined channel of finite height. Flow recirculation in the form of multiple cells is noted during the transient processes. Besides, the flow near the unheated plate and the velocity and temperature wakes above the heated plate are highly oscillatory for high Rayleigh number and large inclination angle, so as the induced flow rate. Results are also presented for the transient local and average Nusselt numbers.

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