Numerical Study of Nonreacting Gas Turbine Combustor Swirl Flow Using Reynolds Stress Model
Author:
Yang S. L.1, Siow Y. K.1, Peschke B. D.1, Tacina R. R.2
Affiliation:
1. Department of Mechanical Engineering and Engineering Mechanics, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931 2. Combustion Technology Branch, NASA John H. Glenn Research Center, Lewis Field, 21000 Brookpark Road, Cleveland, OH 44135
Abstract
This paper presents recent research on the use of a Reynolds stress turbulence model (RSTM) for three-dimensional flowfield simulation inside gas turbine combustors. It intends to show the motivations for using the RSTM in engine flow simulation, to present a further validation of the RSTM implementation in the KIVA code using the available experimental data, and to provide comparisons between RSTM and k-ε turbulence model results for chemically nonreacting swirling flows. The results show that, for high-degree swirl flow, the RSTM can provide predictions in favorable agreement with the experimental data, and that the RSTM predicts recirculations and high velocity gradients better than does the k-ε turbulence model. The results also indicate that the choice of swirler has a significant influence on the structure of the combustor flowfield.
Publisher
ASME International
Subject
Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering
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28 articles.
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