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旋转方位角对斜肋通道内部流动与换热的影响

刘传凯 丁水汀 邱 天 陶 智

刘传凯, 丁水汀, 邱 天, 等 . 旋转方位角对斜肋通道内部流动与换热的影响[J]. 北京航空航天大学学报, 2009, 35(10): 1188-1191.
引用本文: 刘传凯, 丁水汀, 邱 天, 等 . 旋转方位角对斜肋通道内部流动与换热的影响[J]. 北京航空航天大学学报, 2009, 35(10): 1188-1191.
Liu Chuankai, Ding Shuiting, Qiu Tian, et al. Effects of channel orientation on fluid flow and heat transfer in a channel with angled ribs[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(10): 1188-1191. (in Chinese)
Citation: Liu Chuankai, Ding Shuiting, Qiu Tian, et al. Effects of channel orientation on fluid flow and heat transfer in a channel with angled ribs[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(10): 1188-1191. (in Chinese)

旋转方位角对斜肋通道内部流动与换热的影响

详细信息
    作者简介:

    刘传凯(1979-),男,黑龙江桦南人,博士后,liuchuankai@buaa.edu.cn.

  • 中图分类号: V 235.1

Effects of channel orientation on fluid flow and heat transfer in a channel with angled ribs

  • 摘要: 数值模拟了静止及旋转状态下径向出流60°斜肋通道的内流动与换热分布,研究了3种旋转方位角:0°,-45°及+45°.分析了哥氏力与肋片对旋转通道内流及换热的耦合作用机理.计算结果表明:旋转方位角对通道的内流与换热影响显著.在0°旋转方位角下,通道前后缘的换热差异最大;在-45°方位角下,通道整体换热性能最差;在+45°方位角下,通道具有最佳的整体换热性能.

     

  • [1] Wagner J H, Johnson B V, Hajek T J. Heat transfer in rotating passages with smooth walls and radial outward flow[J]. Journal of Turbomachinery, 1991,113:42-51 [2] Fu W L, Wright L M, Han J C. Heat tranfer in two-pass rotating rectangular channels (AR=1:2 AND AR=1:4) with smooth walls[J]. Journal of Heat Transfer, 2005, 127:265-277 [3] Iacovides H, Kounadis D, Launder B E. Experimental study of thermal development in a rotating square-ended U-bend. ASME Paper No. 2006-GT-90846,2006 [4] Willett F T, Bergles A E. Heat transfer in totating narrow rectangular ducts with heated walls at 60 to the R-Z plane[J]. Journal of Turbomachinery, 2001, 123:288-295 [5] 刘传凯, 陶智, 丁水汀,等. 3种转角下旋转U形方通道的局部换热[J]. 北京航空航天大学学报, 2006, 32(3):284-287 Liu Chuankai, Tao Zhi, Ding Shuiting, et al. Local heat transfer in a rotating U-shaped square channel with three channel orientations[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(3):284-287(in Chinese) [6] Han J C, Park J S, Lei C K. Heat transfer enhancement in channels with turbulence promoters[J]. Journal of Engineering for Gas turbines and Power, 1985, 107:628-635 [7] Parsons J A, Han J C. Zhang Y M. Effect of model orientation and wall heating condition on local heat transfer in a rotating two-pass square channel with rib turbulators[J]. International Journal of Heat and Mass Transfer, 1995, 38:1151-1159 [8] Fu W L, Wright L M, Han J C. Heat transfer in two-pass rotating rectangular channels (AR=1:2 and AR=1:4) with 45 deg angled rib turbulators[J]. Journal of Turbomachinery, 2005, 127:164-174 [9] Wilcox D C. Turbulence modeling for CFD[M]. California: DCW Industries Inc, 1993 [10] Sleiti A, Kapat J S. Effect of Coriolis and centrifugal forces at high rotation and density ratios[J]. Journal of Thermophysics and Heat Transfer, 2006, 20(1):67-79 [11] 刘传凯. 旋转蛇形通道内冷气的流动与换热机理研究. 北京:北京航空航天大学能源与动力工程学院, 2006 Liu Chuankai. Study on fluid flow and heat transfer in rotating serpentine cooling channels. Beijing:School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, 2006(in Chinese)
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出版历程
  • 收稿日期:  2008-10-08
  • 网络出版日期:  2009-10-31

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