On the robustness and accuracy of large-eddy simulation in predicting complex internal flow of a gas-turbine combustor

doi:10.1063/5.0159887

IMECH-IR > 非线性力学国家重点实验室

	On the robustness and accuracy of large-eddy simulation in predicting complex internal flow of a gas-turbine combustor
	Qiao Z(乔正); Chen Y(陈与); Wan, Kaidi ; Lv Y(吕钰)
发表期刊	PHYSICS OF FLUIDS
	2023-08-01
卷号	35 期号:8 页码:85120
ISSN	1070-6631
摘要	The objective of this study is to evaluate the effects of numerical and model setups on the large-eddy simulation (LES) predictive capability for the internal flow of a propulsion-relevant configuration. The specific focus is placed on assessing the LES technique with lower mesh resolutions, which is of technological relevance to practical industrial design. A set of Riemann flux formulations and commonly used subgrid-scale models are considered in this work to produce a hierarchy of LES setups with different dissipation effects (both numerically and physically). The LES results obtained from different setups are compared qualitatively in terms of the key flow characteristics and evaluated quantitatively against the experimental measurements. The error landscape is generated to reveal the predictive qualities of different LES setups. The study shows that the choice of numerical flux formulation plays a prominent role in governing the general flow patterns, while the effect of subgrid-scale model is mainly manifested in transient flow characteristics, such as vortex breakdown and swirl-induced vortical structures. Based on the error analysis, it is found that lower dissipative LES setup is not always beneficial to the LES accuracy. This is in contrast to the commonly accepted understanding in literature for the LES, which was established solely with canonical flow configurations.
DOI	10.1063/5.0159887
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:001045018300006
WOS研究方向	Mechanics ; Physics
WOS类目	Mechanics ; Physics, Fluids & Plasmas
项目资助者	NSFC Basic Science Center Program for Multiscale Problems in Nonlinear Mechanics [11988102] ; Chinese Academy of Sciences (CAS) ; Bureau of International Cooperation CAS [025GJHZ2022112FN] ; National Natural Science Foundation of China [52076008] ; Zhejiang Provincial Natural Science Foundation [LGJ21E060001]
论文分区	一类/力学重要期刊
力学所作者排名	1
RpAuthor	Lv, Y (corresponding author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China. ; Lv, Y (corresponding author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 101408, Peoples R China.
引用统计
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/92594
专题	非线性力学国家重点实验室
作者单位	1.{Qiao, Zheng, Chen, Yu, Lv, Yu} Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China 2.{Qiao, Zheng, Chen, Yu, Lv, Yu} Univ Chinese Acad Sci, Sch Engn Sci, Beijing 101408, Peoples R China 3.{Wan, Kaidi} Beihang Univ, Ningbo Inst Technol, Aircraft & Prop Lab, Ningbo 315832, Peoples R China 4.{Wan, Kaidi} Beihang Univ, Sch Aeronaut Sci & Engn, Natl Lab Computat Fluid Dynam, Beijing 100191, Peoples R China
推荐引用方式 GB/T 7714	Qiao Z,Chen Y,Wan, Kaidi,et al. On the robustness and accuracy of large-eddy simulation in predicting complex internal flow of a gas-turbine combustor[J]. PHYSICS OF FLUIDS,2023,35,8,:85120.Rp_Au:Lv, Y (corresponding author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China., Lv, Y (corresponding author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 101408, Peoples R China.
APA	乔正,陈与,Wan, Kaidi,&吕钰.(2023).On the robustness and accuracy of large-eddy simulation in predicting complex internal flow of a gas-turbine combustor.PHYSICS OF FLUIDS,35(8),85120.
MLA	乔正,et al."On the robustness and accuracy of large-eddy simulation in predicting complex internal flow of a gas-turbine combustor".PHYSICS OF FLUIDS 35.8(2023):85120.

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