Automatic Construction of REDIM Reduced Chemistry with a Detailed Transport and Its Application to CH4 Counterflow Flames

doi:10.1021/acs.energyfuels.0c02539

	Automatic Construction of REDIM Reduced Chemistry with a Detailed Transport and Its Application to CH4 Counterflow Flames
	Yu, Chunkan 2; Li, Xing 1; Wu, Chunwei 2; Neagos, Alexander 2; Maas, Ulrich 2
刊名	ENERGY & FUELS
	2020-12-17
卷号	34 期号:12 页码:16572-16584
ISSN号	0887-0624
DOI	10.1021/acs.energyfuels.0c02539
通讯作者	Yu, Chunkan(chunkan.yu@kit.edu)
英文摘要	Extinction limits are important quantities of counterflow diffusion flames. An accurate prediction of extinction limits is necessary for the design of engineering combustion devices involving flame quenching. In this work, the reaction-diffusion manifold (REDIM) reduced chemistry with a detailed transport model is applied for the numerical investigation of extinction limits of counterflow diffusion flames. Unlike other tabulated flamelet models where very detailed information about a particular combustion system is required, the REDIM reduced chemistry can be generated based on the detailed reaction mechanisms, requiring only a minimal additional knowledge of the considered combustion system. Recently, an automatic generation of the REDIM has been introduced and tested for premixed flames. This newly developed algorithm starts with a 1D reduced model, and any higher dimension of the REDIM reduced model can be constructed automatically without any additional information. Such an algorithm largely simplifies the generation of the REDIM reduced chemistry. The focus of this work is to apply this newly developed algorithm for the construction of two-dimensional (2D) and three-dimensional (3D) REDIMs for counterflow diffusion flames. It is shown how 2D and 3D REDIM reduced chemistry can be generated automatically in a generic way according to a hierarchical concept. An oxygen-enriched MILD combustion system CH4/CO2 versus the O-2/CO2 counterflow diffusion flame, whose extinction strain rates had been measured experimentally, is selected as an illustrative example for discussion and validation. The relative errors of predicted extinction strain rates using a 3D REDIM are much less than the experimental uncertainty and the differences using different detailed chemical mechanisms.
资助项目	German Research Foundation (DFG) within the projects DFG/MOST[MA 1205/26] ; National Natural Science Foundation of China[51506204]
WOS关键词	FLOW DIFFUSION FLAMES ; CHEMICAL-KINETICS ; EXTINCTION LIMITS ; MODEL-REDUCTION ; COMBUSTION ; METHANE ; MECHANISM ; MANIFOLDS ; MODERATE ; IGNITION
WOS研究方向	Energy & Fuels ; Engineering
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000600407600120
资助机构	German Research Foundation (DFG) within the projects DFG/MOST ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/32406]
专题	中国科学院广州能源研究所
通讯作者	Yu, Chunkan
作者单位	1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China 2.Karlsruhe Inst Technol, Inst Tech Thermodynam, D-76131 Karlsruhe, Germany
推荐引用方式 GB/T 7714	Yu, Chunkan,Li, Xing,Wu, Chunwei,et al. Automatic Construction of REDIM Reduced Chemistry with a Detailed Transport and Its Application to CH4 Counterflow Flames[J]. ENERGY & FUELS,2020,34(12):16572-16584.
APA	Yu, Chunkan,Li, Xing,Wu, Chunwei,Neagos, Alexander,&Maas, Ulrich.(2020).Automatic Construction of REDIM Reduced Chemistry with a Detailed Transport and Its Application to CH4 Counterflow Flames.ENERGY & FUELS,34(12),16572-16584.
MLA	Yu, Chunkan,et al."Automatic Construction of REDIM Reduced Chemistry with a Detailed Transport and Its Application to CH4 Counterflow Flames".ENERGY & FUELS 34.12(2020):16572-16584.