Volume 30 Issue 5
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ZHANG Da, LUO Xiang, XU Guo-qiang, HAN Jian-qiao. Windage heating experiment on rotating disc in cavity of rotor-stator system[J]. Journal of Aerospace Power, 2015, 30(5): 1047-1056. doi: 10.13224/j.cnki.jasp.2015.05.004
Citation: ZHANG Da, LUO Xiang, XU Guo-qiang, HAN Jian-qiao. Windage heating experiment on rotating disc in cavity of rotor-stator system[J]. Journal of Aerospace Power, 2015, 30(5): 1047-1056. doi: 10.13224/j.cnki.jasp.2015.05.004
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Windage heating experiment on rotating disc in cavity of rotor-stator system

doi: 10.13224/j.cnki.jasp.2015.05.004

  • National Key Laboratory of Science and Technology on Aero-Engine Aero-thermodynamics, School of Energy and Power Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 2013-12-02
  • Publish Date: 2015-05-28
    Abstract
  • In order to investigate the windage heating effect on rotating disc in cavity of rotor-stator system, an experimental research was performed using infrared temperature measurement technology. A high-speed revolution test rig was developed to investigate the effect of flow parameters and rotor-stator gap ratio on the temperature rise along the radius on rotating disc surface respectively. The shrouded and unshrouded cases were both tested. The flow feature in the cavity of rotor-stator system was obtained by CFD simulation. The results show that the temperature rise on the rotating disc induced by the windage heating is difference between adiabatic wall temperature of rotating disc and environment temperature, which can be measured by the thermal infrared imager accurately. For the unshrouded case, the temperature rise of rotating disc is mainly affected by the rotation, and only for the small gap ratio case, the throughflow has influence on the windage heating. In general, the gap ratio has limited influence on temperature rise. Comparison of the shrounded case, the temperature rise occurs only for the small turbulence parameter case with shrouded stationary.

     

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