Efficient turbulent combustion models are typically designed for the numerical simulation of two-stream problems, namely, the combustion of fuel in air. There are applications, however, where large amounts of a diluent such as water steam or recirculated exhaust gas is supplied to the combustor independent of fuel and air supplies. In such cases, classical approaches become quite time-consuming. In the present paper, a new three-stream flamelet model is presented, which is essentially an extension of the two-stream flamelet model for diffusion flames. Key points of the approach are the introduction of a second mixture fraction variable and the efficient establishment of the flamelet library. After presentation of the theory, the applicability of the new model is demonstrated by comparison with experimental results for the lift-off height of jet diffusion flames.
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June 2010
Research Papers
Three-Stream Flamelet Model for Industrial Applications
Dirk Riechelmann,
Dirk Riechelmann
Department of Heat and Fluid Dynamics, Research Laboratory,
e-mail: dirk_riechelmann@ihi.co.jp
IHI Corporation
, Yokohama, Shin-Nakahara-cho 235-8501, Japan
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Masahiro Uchida
Masahiro Uchida
Department of Heat and Fluid Dynamics, Research Laboratory,
IHI Corporation
, Yokohama, Shin-Nakahara-cho 235-8501, Japan
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Dirk Riechelmann
Department of Heat and Fluid Dynamics, Research Laboratory,
IHI Corporation
, Yokohama, Shin-Nakahara-cho 235-8501, Japane-mail: dirk_riechelmann@ihi.co.jp
Masahiro Uchida
Department of Heat and Fluid Dynamics, Research Laboratory,
IHI Corporation
, Yokohama, Shin-Nakahara-cho 235-8501, JapanJ. Eng. Gas Turbines Power. Jun 2010, 132(6): 061507 (8 pages)
Published Online: March 30, 2010
Article history
Received:
October 30, 2008
Revised:
September 2, 2009
Online:
March 30, 2010
Published:
March 30, 2010
Citation
Riechelmann, D., and Uchida, M. (March 30, 2010). "Three-Stream Flamelet Model for Industrial Applications." ASME. J. Eng. Gas Turbines Power. June 2010; 132(6): 061507. https://doi.org/10.1115/1.4000247
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