Mixed convection flow and heat transfer in a heated vertical convergent channel

C. Gau, T. M. Huang, W. Aung

研究成果: Paper同行評審

1 引文 斯高帕斯(Scopus)

摘要

Experimental studies of the mixed convection flow and heat transfer in a vertical convergent channel have been carried out. One of the side walls which maintains vertical is heated uniformly, and the opposite wall which has a convergence angle of 3° is well insulated, Flow structure inside the channel is visualized with a heated smoke wire. For both assisted and opposed convection, flow reversal occurs only in the upstream of the channel but not in the downstream where rapid acceleration of flow occurs and the transport process is dominated by forced convection. Temperature fluctuations at different locations are measured and used to indicate oscillations and fluctuations of the reversed flow. The effect of buoyancy parameter on the reversed flow structure and the Nusselt number will be presented and discussed. The Nusselt number results are correlated in terms of relevant nondimensional parameters for both pure forced and mixed convection, respectively. For the purpose of comparison and correlation, the Nusselt numbers for parallel-plate channel are also measured and presented.

原文English
出版狀態Published - 1994 一月 1
事件AIAA/ASME 6th Joint Thermophysics and Heat Transfer Conference, 1994 - Colorado Springs, United States
持續時間: 1994 六月 201994 六月 23

Other

OtherAIAA/ASME 6th Joint Thermophysics and Heat Transfer Conference, 1994
國家United States
城市Colorado Springs
期間94-06-2094-06-23

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Nuclear and High Energy Physics

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