Volume 36 Issue 10
Oct.  2021
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JIANG Lijun, CAO Jun, TAO Yanming, XIONG Qingyong, XIAO Wei. Combustor turbine interaction based on scale adaptive simulation[J]. Journal of Aerospace Power, 2021, 36(10): 2186-2196. doi: 10.13224/j.cnki.jasp.20200493
Citation: JIANG Lijun, CAO Jun, TAO Yanming, XIONG Qingyong, XIAO Wei. Combustor turbine interaction based on scale adaptive simulation[J]. Journal of Aerospace Power, 2021, 36(10): 2186-2196. doi: 10.13224/j.cnki.jasp.20200493

Combustor turbine interaction based on scale adaptive simulation

doi: 10.13224/j.cnki.jasp.20200493
  • Received Date: 2020-11-18
  • Publish Date: 2021-10-28
  • In order to study the mechanisms of combustor turbine interactions,integrated simulation of a realistic aero engine configuration,including combustor and turbine,was conducted by using scale adaptive simulation method.The impacts of the turbine nozzle guide vane on flow and temperature fields inside the combustor together with the effect of the velocity profile in the outlet of combustor and hot-streaks on turbine thermodynamics characteristics were both analyzed by the integrated simulation.The results demonstrated that the scale adaptive simulation method obtained a fine prediction on combustor and turbine performances and the complicated vortex structures were well resolved.Moreover,the velocity field inside combustor was distinctly influenced by the nozzle guide vane up to a distance of 0.3 axial chord length in front of the stator's leading edge,and the impacts of velocity profile in the outlet of combustor and hot-streaks on the turbine aerodynamics and heat transfer were quite significant.

     

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