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Volume 33 Issue 03
Mar.  2007
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Journal of Beijing University of Aeronautics and Astronautics  > 2007  >  33(03): 290-293.
Yang Zaixiu, Huang Zhigang, Geng Shengqunet al. Novel tracking loop of BOC signal based on subcarrier tracking[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(2): 245-248. (in Chinese)
Citation: Luo Xiang, Xu Guoqiang, Tao Zhi, et al. Flow and heat transfer in rotor-stator system with pre-swirl angle of 30°[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(03): 290-293. (in Chinese)
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Flow and heat transfer in rotor-stator system with pre-swirl angle of 30°

  • National Key Laboratory on Aero-Engines, Beijing University of Aeronau tics and Astronautics, Beijing 100083, China

  • Received Date: 26 Apr 2006
  • Publish Date: 31 Mar 2007
    Abstract
  • An experimental study of the flow and heat transfer characteristics in a pre-sw irl rotor-stator system was described. Pre-swirl cooling air thr ough nozzles with angle of 30° in the stator flows radially outwards and leav es system from the clearance between rotor and stator. The distributions of the pressure on the stator surface, temperature, local and averaged Nusselt number o n the rotating disk surface were obtained from the tests. The experiments reveal that the pressure on the stator surface increase as the radius and also increas e as rotating speed. The local Nu number will keep invariable when r＜0.7R(R is effective radius of rotating disk) in the rotating disk surface, but it will inc rease rapidly as radius when r＞0.7R. The cooling flow rate have more effects on average Nu number than rotating speed in this pre-swirl angle.

     

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  • [1] Wilson M, Pilbrow R, Owen J M. Flow and heat transferi n a preswirl rotor-stator system[J]. Journal of Turbomachinery, 1997, 119:364 -373 [2] Pilbrow R, Karabay H, Wilson M, et al. Heat transfer in a "cover-plate " preswirl rotating-disk system[J]. Journal of Turbomachinery, 1999, 121:249 -256 [3] Lock G D, Wilson M, Owen J M . Influence of fluid dynamics on heat t ransfer in a pre-swirl rotating-disc system . ASME2004-GT-53158,2004 [4] Karabay H,Chen J X, Pilbrow R, et al. Flow in a "cover-plate" preswi rl rotor-stator system[J]. Journal of Turbomachinery, 1999, 121:160-166 [5] 徐国强,陶智,丁水汀,等,高位垂直进气旋转盘流动与换热的实验研究 [J].航空动力学报,2000,15(2):164-168 Xu Guoqiang, Tao Zhi, Ding Shuiting, et al. Experimental investigation on flow a nd heat transfer in shrouded rotating disk with high-positioned air flow [J] ．Journal of Aerospace Power, 2000,15(2):164-168(in Chinese) [6] 徐国强,丁水汀,邱绪光,等. 具有中心进气外缘加热旋转盘的局部换热特性研究[J].航空动力学报,1995,10(3):229-232 Xu Guoqiang, Ding Shuiting, Qiu Xuguang, et al. An investigation on local heat t ransfer performance for rim heated rotating disk with central air inflow[J]．J ournal of Aerospace Power, 1995, 10(3):229-232(in Chinese)
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