Volume 22 Issue 5
May  2007
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Article Navigation >  Journal of Aerospace Power  > 2007  >  22(5): 709-713
LUO Xiang, XU Guo-qiang, CAI Yi, TAO Zhi, DING Shui-ting. Influence of central outflow on flow and heat transfer in a pre-swirl rotor-stator system[J]. Journal of Aerospace Power, 2007, 22(5): 709-713.
Citation: LUO Xiang, XU Guo-qiang, CAI Yi, TAO Zhi, DING Shui-ting. Influence of central outflow on flow and heat transfer in a pre-swirl rotor-stator system[J]. Journal of Aerospace Power, 2007, 22(5): 709-713.
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Influence of central outflow on flow and heat transfer in a pre-swirl rotor-stator system

  • 1.

    National Key Laboratory on Aero-engines, School of Jet Propulsion, Beijing University ofAeronautics and Astronautics, Beijing 100083, China

  • 2.

    Xi'an Aero-engine(group) LTD, Xi'an 710021, China

  • Received Date: 2006-05-10
  • Rev Recd Date: 2006-12-13
  • Publish Date: 2007-05-28
    Abstract
  • The flow and heat transfer characteristics of a pre-swirl rotor-stator system with three pre-swirl angles(0°,15°and 30°) was analyzed experimentally.The maximum outflow rate from central hole was 10% of total outflow.The experimental results show that,when the central outflow rate is much less than total outflow,it has small effects on average Nu number of rotor surface,without considering the effects of central outflow on heat transfer.An increase of central outflow rate results in quick drop of static pressure near the center of stator.The rotating speed of rotor has different influence on static pressure of stator surface at different pre-swirl nozzles.

     

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    • References(5)
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