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A Large-Eddy Simulation–Linear-Eddy Model Study of Preferential Diffusion Processes in a Partially Premixed Swirling Combustor With Synthesis Gases

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A Large-Eddy Simulation–Linear-Eddy Model Study of Preferential Diffusion Processes in a Partially Premixed Swirling Combustor With Synthesis Gases. / Li, Shaoshuai; Zheng, Yunzhe; Mira, Daniel et al.
In: Journal of Engineering for Gas Turbines and Power, Vol. 139, No. 3, 2017, p. 31501.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Li, S, Zheng, Y, Mira, D, Li, S, Zhu, M & Jiang, X 2017, 'A Large-Eddy Simulation–Linear-Eddy Model Study of Preferential Diffusion Processes in a Partially Premixed Swirling Combustor With Synthesis Gases', Journal of Engineering for Gas Turbines and Power, vol. 139, no. 3, pp. 31501. https://doi.org/10.1115/1.4034446

APA

Li, S., Zheng, Y., Mira, D., Li, S., Zhu, M., & Jiang, X. (2017). A Large-Eddy Simulation–Linear-Eddy Model Study of Preferential Diffusion Processes in a Partially Premixed Swirling Combustor With Synthesis Gases. Journal of Engineering for Gas Turbines and Power, 139(3), 31501. https://doi.org/10.1115/1.4034446

Vancouver

Li S, Zheng Y, Mira D, Li S, Zhu M, Jiang X. A Large-Eddy Simulation–Linear-Eddy Model Study of Preferential Diffusion Processes in a Partially Premixed Swirling Combustor With Synthesis Gases. Journal of Engineering for Gas Turbines and Power. 2017;139(3):31501. Epub 2016 Sept 27. doi: 10.1115/1.4034446

Author

Li, Shaoshuai ; Zheng, Yunzhe ; Mira, Daniel et al. / A Large-Eddy Simulation–Linear-Eddy Model Study of Preferential Diffusion Processes in a Partially Premixed Swirling Combustor With Synthesis Gases. In: Journal of Engineering for Gas Turbines and Power. 2017 ; Vol. 139, No. 3. pp. 31501.

Bibtex

@article{2c2ab2c0c1f54cc884789f6b5725c6ad,
title = "A Large-Eddy Simulation–Linear-Eddy Model Study of Preferential Diffusion Processes in a Partially Premixed Swirling Combustor With Synthesis Gases",
abstract = "A lean partially premixed swirling combustor operated with synthesis gases is studied using large-eddy simulation (LES). The linear-eddy model (LEM) is employed to close the unresolved scalar fluxes with the nonunity Lewis number assumption. Several terms resulting from the LES filtering operation are not modeled but directly resolved considering their unique length and time scales, such as molecular diffusion, scalar mixing, and chemical reactions. First, the validation results on a well-established jet flame indicate a good level of correlation with the experimental data and allow a further analysis of syngas combustion on a practical combustor. Second, the effects of preferential diffusion on the characteristics of flow and combustion dynamics on a lean partially premixed swirling combustor are investigated. The obtained results are expected to provide useful information for the design and operation of gas turbine combustion systems using syngas fuels.",
author = "Shaoshuai Li and Yunzhe Zheng and Daniel Mira and Suhui Li and Min Zhu and Xi Jiang",
year = "2017",
doi = "10.1115/1.4034446",
language = "English",
volume = "139",
pages = "31501",
journal = "Journal of Engineering for Gas Turbines and Power",
issn = "0742-4795",
publisher = "ASME",
number = "3",

}

RIS

TY - JOUR

T1 - A Large-Eddy Simulation–Linear-Eddy Model Study of Preferential Diffusion Processes in a Partially Premixed Swirling Combustor With Synthesis Gases

AU - Li, Shaoshuai

AU - Zheng, Yunzhe

AU - Mira, Daniel

AU - Li, Suhui

AU - Zhu, Min

AU - Jiang, Xi

PY - 2017

Y1 - 2017

N2 - A lean partially premixed swirling combustor operated with synthesis gases is studied using large-eddy simulation (LES). The linear-eddy model (LEM) is employed to close the unresolved scalar fluxes with the nonunity Lewis number assumption. Several terms resulting from the LES filtering operation are not modeled but directly resolved considering their unique length and time scales, such as molecular diffusion, scalar mixing, and chemical reactions. First, the validation results on a well-established jet flame indicate a good level of correlation with the experimental data and allow a further analysis of syngas combustion on a practical combustor. Second, the effects of preferential diffusion on the characteristics of flow and combustion dynamics on a lean partially premixed swirling combustor are investigated. The obtained results are expected to provide useful information for the design and operation of gas turbine combustion systems using syngas fuels.

AB - A lean partially premixed swirling combustor operated with synthesis gases is studied using large-eddy simulation (LES). The linear-eddy model (LEM) is employed to close the unresolved scalar fluxes with the nonunity Lewis number assumption. Several terms resulting from the LES filtering operation are not modeled but directly resolved considering their unique length and time scales, such as molecular diffusion, scalar mixing, and chemical reactions. First, the validation results on a well-established jet flame indicate a good level of correlation with the experimental data and allow a further analysis of syngas combustion on a practical combustor. Second, the effects of preferential diffusion on the characteristics of flow and combustion dynamics on a lean partially premixed swirling combustor are investigated. The obtained results are expected to provide useful information for the design and operation of gas turbine combustion systems using syngas fuels.

U2 - 10.1115/1.4034446

DO - 10.1115/1.4034446

M3 - Journal article

VL - 139

SP - 31501

JO - Journal of Engineering for Gas Turbines and Power

JF - Journal of Engineering for Gas Turbines and Power

SN - 0742-4795

IS - 3

ER -