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Volume 31 Issue 02
Feb.  2005
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Journal of Beijing University of Aeronautics and Astronautics  > 2005  >  31(02): 206-211.
Qi Lei, Zheng Ning, Cheng Hongguiet al. Numerical simulation of the 3-D unsteady flow in the last stage of the steam turbine[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(02): 206-211. (in Chinese)
Citation: Qi Lei, Zheng Ning, Cheng Hongguiet al. Numerical simulation of the 3-D unsteady flow in the last stage of the steam turbine[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(02): 206-211. (in Chinese)
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Numerical simulation of the 3-D unsteady flow in the last stage of the steam turbine

  • School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 20 Jun 2004
  • Publish Date: 28 Feb 2005
    Abstract
  • Air cooling steam turbine uses air as working fluid, and it works in variable-operating condition. It is important for the design of air cooling steam turbine and the performance and stability of turbine to study unsteady flow mechanism in design and off-design state. The flow of turbine in design and off-design state was simulated by the method of numerical simulation of 3-D viscous flow, and the flow mechanism in design and off-design state was studed. The results show rotor-stator interaction causes unsteady flow in design state, and the rotor-stator interaction in off-design state is weak, the unsteady phenomena is not obvious in off-design state.

     

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  • [1] 徐力平.叶轮机内非定常流动和叶轮机气动力学的实验手段 . 气动热力学发展战略研讨会专题报告汇编 .北京,1989 Xu Liping. The experiment method of unsteady flow and aerodynamics in turbine . The Special Report Compile of Aerothermodynamics Development Strategy Proseminar . Beijing,1989(in Chinese) [2] Eulitz F, Engel K, Gebing H. Numerical inverstigation of the clocking effects in a multistage turbine . ASME 96-GT-26, 1996 [3] Hodson H P, Dawes W N. On the interpretation of measured profile losser in unsteady wake-turbine blade interaction studies . ASME 96-GT-494, 1996
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