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Volume 33 Issue 01
Jan.  2007
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Journal of Beijing University of Aeronautics and Astronautics  > 2007  >  33(01): 14-17.
TANG Ji-ye, HUANG Hai, XIA Ren-wei, et al. Static Shape Control of Adaptive Structure Using Composite Laminated Piezoelectric Element[J]. Journal of Beijing University of Aeronautics and Astronautics, 2000, 26(2): 239-243. (in Chinese)
Citation: Wu Hong, Li Qiushi, Guo Ming, et al. Aerodynamic optimization method of transonic fan rotor based on BVF[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(01): 14-17. (in Chinese)
shu

Aerodynamic optimization method of transonic fan rotor based on BVF

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

  • Received Date: 23 Dec 2005
  • Publish Date: 31 Jan 2007
    Abstract
  • The aerodynamic optimization of a transonic fan rotor was implemented by controlling the BVF(boundary vorticity flux) distribution on rotor blade. A novel objective function of torque associated with BVF was used to optimize the blade configuration. The physical sources of separated flow could be probed on r otor blade through the BVF diagnosis, which was a novel diagnosis method based o n local dynamics. The shock structure was showed clearly on the rotor blade in th is diagnosis method. Although the torque of the optimized rotor was increased, t he shock strength was decreased and the separated flow was controlled better, as the BVF distribution was better than before. The results of 3D CFD(computationa l fluid dynamics) analysis indicate that not only the total pressure ratio of r otor is increased by 7.69%, but also the adiabatic efficiency is increased by 1 .92% too. The optimized rotor has a higher performance over a wide range of mass flow. The optimization method based on BVF can play an important role in the optimization design of fans/compressors.

     

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  • [1] Jameson A. Optimum aerodynamic design using CFD and con trol theroy . AIAA-95-1729,1995 [2] Wu J Z, Roach R L, Lo C F, et al. Aerodynamic diagnostic and design ba sed on boundary vorticity dynamics . AIAA-99-3103,1999 [3] Chung June, Lee Ki D. Shape optimization of transonic compressor blade s using quasi-3D flow physics . ASME 2000-GT-489,2000 [4] Burguburu S. Numerical optimization of turbomachinery bladings . ASME GT-2003-38310,2003 [5] Merchant Ali,Kerrebrock Jack L, Adamczyk John J, et al.Experimental inves tigation of a high pressure ratio aspirated fan stage .ASME GT-2004-536 79,2004 [6] Lighhill M J. Introduction:Boundary layer theory[M]. Cambridge:Cambridge Univers ity Press,1963:46-113 [7] 李秋实,郭明. 基于局部动力学的一个低速压气机诊断与设计[J].自然科学进展,2005,15(2):221-228 Li Qiushi, Guo Ming. Diagnostic and design approach of axial compressor ba sed on local dynamics[J]. Progress in Natural Science,2005,15(2):221-22 8(in Chinese)
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