The objective of the current work is to shed light on simulating the flow features of nonpremixed flame stabilized by a circular-disk bluff-body with large eddy simulation technique. Two subgrid scale (SGS) models (Smagorinsky and Germano), combined with a constrained chemical equilibrium model, are applied to simulate this turbulent flame. Validation is made through the particle image velocimetry measurements. The comparison between the numerical simulation and experimental data shows that both models perform well and reproduce most of the significant features of the bluff-body flame, while the Germano SGS model performs better in prediction of turbulent fluctuations. These investigations show that it is possible to describe such flows with relatively simple turbulence and combustion models with moderate grids.
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May 2010
Technical Briefs
Technical Brief: Predictions of Flow Field for Circular-Disk Bluff-Body Stabilized Flame Investigated by Large Eddy Simulation and Experiments
Peiqing Guo,
Peiqing Guo
School of Mechanical Engineering,
e-mail: hopeisendless@hotmail.com
Shanghai Jiaotong University
, No. 800, Dongchuan Road, Shanghai 200240, China
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Shusheng Zang,
Shusheng Zang
School of Mechanical Engineering,
Shanghai Jiaotong University
, No. 800, Dongchuan Road, Shanghai 200240, China
Search for other works by this author on:
Bing Ge
Bing Ge
School of Mechanical Engineering,
Shanghai Jiaotong University
, No. 800, Dongchuan Road, Shanghai 200240, China
Search for other works by this author on:
Peiqing Guo
School of Mechanical Engineering,
Shanghai Jiaotong University
, No. 800, Dongchuan Road, Shanghai 200240, Chinae-mail: hopeisendless@hotmail.com
Shusheng Zang
School of Mechanical Engineering,
Shanghai Jiaotong University
, No. 800, Dongchuan Road, Shanghai 200240, China
Bing Ge
School of Mechanical Engineering,
Shanghai Jiaotong University
, No. 800, Dongchuan Road, Shanghai 200240, ChinaJ. Eng. Gas Turbines Power. May 2010, 132(5): 054503 (6 pages)
Published Online: March 4, 2010
Article history
Received:
April 8, 2009
Revised:
April 28, 2009
Online:
March 4, 2010
Published:
March 4, 2010
Citation
Guo, P., Zang, S., and Ge, B. (March 4, 2010). "Technical Brief: Predictions of Flow Field for Circular-Disk Bluff-Body Stabilized Flame Investigated by Large Eddy Simulation and Experiments." ASME. J. Eng. Gas Turbines Power. May 2010; 132(5): 054503. https://doi.org/10.1115/1.3205029
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