publication . Article . 2017

Comparative study of non-premixed and partially-premixed combustion simulations in a realistic Tay model combustor

K. Zhang; A. Ghobadian; Jamshid M. Nouri;
Open Access
  • Published: 05 Jan 2017 Journal: Applied Thermal Engineering, volume 110, pages 910-920 (issn: 1359-4311, Copyright policy)
  • Publisher: Elsevier BV
  • Country: United Kingdom
A comparative study of two combustion models based on non-premixed assumption and partially premixed assumptions using the overall models of Zimont Turbulent Flame Speed Closure Method (ZTFSC) and Extended Coherent Flamelet Method (ECFM) are conducted through Reynolds stress turbulence modelling of Tay model gas turbine combustor for the first time. The Tay model combustor retains all essential features of a realistic gas turbine combustor. It is seen that the non-premixed combustion model fails to predict the combustion completely due to an incorrect assumption of diffusion flame scenario invoking infinitely fast chemistry in complicated flow environments while...
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free text keywords: Industrial and Manufacturing Engineering, Energy Engineering and Power Technology, TJ, Mechanics, Turbulence, Combustor, Nozzle, Chemistry, Mechanical engineering, Combustion, Diffusion flame, Reynolds stress, Flame speed, Reynolds-averaged Navier–Stokes equations
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