Volume 23 Issue 1
Jan.  2008
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Article Navigation >  Journal of Aerospace Power  > 2008  >  23(1): 145-149
LI Feng, SHANG Shou-tang, CHENG Ming, PENG Lang-qing, YANG Hui, SONG Bo. Research on the feasibility of displacing the single annular combustor with a dual annular combustor[J]. Journal of Aerospace Power, 2008, 23(1): 145-149.
Citation: LI Feng, SHANG Shou-tang, CHENG Ming, PENG Lang-qing, YANG Hui, SONG Bo. Research on the feasibility of displacing the single annular combustor with a dual annular combustor[J]. Journal of Aerospace Power, 2008, 23(1): 145-149.
shu

Research on the feasibility of displacing the single annular combustor with a dual annular combustor

  • 1.

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

  • 2.

    Shenyan Aeroengine Research Institute, China Aviation Industry Corporation I, Shenyan 110015, China

  • Received Date: 2007-01-04
  • Rev Recd Date: 2007-03-06
  • Publish Date: 2008-01-28
    Abstract
  • The combustor was redesigned into dual annular structure in radial direction,under the precondition that the diffuser,outer case and exit dimension are kept consistent with single annular combustor(SAC).With the help of the same physical models,a 3-Dsimulation for full-flow process in both SACand dual annular combustor(DAC) was conducted in the Fluent code.By using the DAC,it shows that the total-pressure recovery coefficient and combustion efficiency can be improved remarkably,the exit temperature distribution coefficient of the combustor and NOx/COemission,especially for COemission under slowrunning state,is reduced accordingly.

     

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