Volume 29 Issue 6
Jun.  2014
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SHEN Xiu-li, LONG Dan, DONG Xiao-lin. Multidisciplinary design optimization of aero-engine turbine flow path in preliminary design phase[J]. Journal of Aerospace Power, 2014, (6): 1369-1375. doi: 10.13224/j.cnki.jasp.2014.06.016
Citation: SHEN Xiu-li, LONG Dan, DONG Xiao-lin. Multidisciplinary design optimization of aero-engine turbine flow path in preliminary design phase[J]. Journal of Aerospace Power, 2014, (6): 1369-1375. doi: 10.13224/j.cnki.jasp.2014.06.016

Multidisciplinary design optimization of aero-engine turbine flow path in preliminary design phase

doi: 10.13224/j.cnki.jasp.2014.06.016
  • Received Date: 2013-04-04
  • Publish Date: 2014-06-28
  • In the preliminary design phase of aero-engine turbine, the turbine flow path was designed. The complex constraining and balanced relations between aerodynamic performance and turbine blade and disc strength were synthetically analyzed to establish turbine multidisciplinary optimization system of flow path design and turbine strength calculation, and to achieve the multidisciplinary design optimization of turbine flow path, with efficiency and structural weight as design targets. The maximum value of radial stress and circumferential stress are respectively decreased by 4.62% and 10.63%,the mean value of radial stress and circumferential stress in dangerous area are also decreased by 42.99% and 3%,and the turbine comprehensive performance in aerodynamic and structural strength are improved by 3.41% after optimization.

     

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