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Analysis of Turbulence Models in Numerical Simulation of Combustion Chamber

[+] Author Affiliations
Honglei Yang, Hongtao Zheng, Zhiming Li, Ren Yang, Zhibo Zhang

Harbin Engineering University, Harbin, Heilongjiang, China

Paper No. POWER2013-98196, pp. V001T01A027; 6 pages
doi:10.1115/POWER2013-98196
From:
  • ASME 2013 Power Conference
  • Volume 1: Fuels and Combustion, Material Handling, Emissions; Steam Generators; Heat Exchangers and Cooling Systems; Turbines, Generators and Auxiliaries; Plant Operations and Maintenance
  • Boston, Massachusetts, USA, July 29–August 1, 2013
  • Conference Sponsors: Power Division
  • ISBN: 978-0-7918-5605-5
  • Copyright © 2013 by ASME

abstract

Several turbulence models were analyzed in this paper for the chemically recuperated gas turbine (CRGT) combustor and numerical simulation of the combustor’s flow fields using these turbulence models was carried out with the aid of CFD method and finally the contrastive analysis was made. Realizable k-ε and RNG k-ε turbulence models, PDF combustion model and the SIMPLE algorithm method were adopted in the numerical simulation. Through comparison of key influencing factors of the combustor such as flame length, position of the high temperature zone, wall temperature and evenness of exit temperature field, it could be concluded that the Realizable k-ε turbulence model demonstrates better performance with high quality of convergence precision and evenly distributed parameters that meet the design requirements better.

Copyright © 2013 by ASME

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