IMECH-IR  > 高温气体动力学国家重点实验室
Cellular Aluminum Particle-Air Detonation Based on Realistic Heat Capacity Model
Xiang GX(项高翔); Yang PF(杨鹏飞); Teng HH(滕宏辉); Jiang ZL(姜宗林)
Corresponding AuthorTeng HongHui(hhteng@bit.edu.cn)
Source PublicationCOMBUSTION SCIENCE AND TECHNOLOGY
2019-06-21
Pages15
ISSN0010-2202
AbstractModeling aluminum (Al) particle-air detonation is extremely difficult because the combustion is shock-induced, and there are multi-phase heat release and transfer in supersonic flows. Existing models typically use simplified combustion to reproduce the detonation velocity, which introduces many unresolved problems. The hybrid combustion model, coupling both the diffused- and kinetics-controlled combustion, is proposed recently, and then improved to include the effects of realistic heat capacities dependent on the particle temperature. In the present study, 2D cellular Al particle-air detonations are simulated with the realistic heat capacity model and its effects on the detonation featured parameters, such as the detonation velocity and cell width, are analyzed. Numerical results show that cell width increases as particle diameter increases, similarly to the trend observed with the original model, but the cell width is underestimated without using the realistic heat capacities. Further analysis is performed by averaging the 2D cellular detonations to quasi-1D, demonstrating that the length scale of quasi-1D detonation is larger than that of truly 1D model, similar to gaseous detonations.
KeywordAl particle cellular detonation heat capacity hybrid model
DOI10.1080/00102202.2019.1632298
Indexed BySCI ; EI
Language英语
WOS IDWOS:000472424000001
WOS KeywordNUMERICAL-SIMULATION ; HETEROGENEOUS DETONATION ; SUSPENSIONS ; MIXTURES ; DIFFRACTION ; COMBUSTION ; TRANSITION ; INITIATION ; IGNITION
WOS Research AreaThermodynamics ; Energy & Fuels ; Engineering
WOS SubjectThermodynamics ; Energy & Fuels ; Engineering, Multidisciplinary ; Engineering, Chemical
Funding ProjectNational Natural Science Foundation of China[11822202] ; National Natural Science Foundation of China[91641130] ; Fundamental Research Funds for the Central Universities of China[31020170QD087] ; Basic Research Plan of Natural Science in Shaanxi Province-General Project (Youth)[2019JQ-132]
Funding OrganizationNational Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities of China ; Basic Research Plan of Natural Science in Shaanxi Province-General Project (Youth)
Classification二类
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/79356
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
Xiang GX,Yang PF,Teng HH,et al. Cellular Aluminum Particle-Air Detonation Based on Realistic Heat Capacity Model[J]. COMBUSTION SCIENCE AND TECHNOLOGY,2019:15.
APA 项高翔,杨鹏飞,滕宏辉,&姜宗林.(2019).Cellular Aluminum Particle-Air Detonation Based on Realistic Heat Capacity Model.COMBUSTION SCIENCE AND TECHNOLOGY,15.
MLA 项高翔,et al."Cellular Aluminum Particle-Air Detonation Based on Realistic Heat Capacity Model".COMBUSTION SCIENCE AND TECHNOLOGY (2019):15.
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