南方科技大学知识苑(SUSTech KC): Modeling of cryogenic hydrogen releases

题名	Modeling of cryogenic hydrogen releases
作者	Ba，Qingxin 1; He，Qian 1; Zhou，Bo2 ; Chen，Mingjia 2; Li，Xuefang 1; Cheng，Lin 3
通讯作者	Li，Xuefang
发表日期	2020
DOI	10.1016/j.ijhydene.2020.08.088
发表期刊	INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 影响因子和分区
ISSN	0360-3199
EISSN	1879-3487
卷号	45 期号:55页码:31315-31326
摘要	Hydrogen is likely to be stored and transported as a liquid with high densities to have sufficient hydrogen on-site and for efficient distribution. Thus, cryogenic hydrogen jets and dispersion characteristics need to be studied to quantify the risks of accidental releases. The present study modeled cryogenic hydrogen jets with stagnation temperatures around 50 K released from round nozzles at stagnation pressures of 2–10 bar. The instantaneous flow fields were modeled using the Large Eddy Simulation (LES) turbulence model to accurately and efficiently capture the flow characteristics. The numerical models were validated with experimental data. The concentration and velocity distributions show that the centerline mass fraction and velocity decay at similar rates to the decays for room temperature jets. The radial distributions of the mass fraction, temperature and velocity are Gaussian and self-similar. Additionally, the numerical model can reproduce the shock structures near the nozzle for these underexpanded cryogenic hydrogen jets. The location of the first normal shock was predicted to be closer to the nozzle than for room temperature jets. The present work can be used to develop and revise safety codes and standards for liquid hydrogen facilities.
关键词	CFD modeling Cryogenic hydrogen Underexpanded jets Unintended releases
相关链接	[Scopus记录]
收录类别	SCI ; EI
语种	英语
学校署名	其他
资助项目	National Natural Science Foundation of China[51706125] ; China Postdoctoral Science Foundation[2017M612267]
WOS研究方向	Chemistry ; Electrochemistry ; Energy & Fuels
WOS类目	Chemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS记录号	WOS:000582322100111
出版者	PERGAMON-ELSEVIER SCIENCE LTD
EI入藏号	20203609131007
EI主题词	Numerical models ; Computational fluid dynamics ; Liquefied gases ; Nozzles ; Cryogenic liquids ; Large eddy simulation ; Turbulence models ; Velocity distribution
EI分类号	Fluid Flow:631 ; Cryogenics:644.4 ; Computer Applications:723.5 ; Chemical Products Generally:804 ; Mathematics:921 ; Mathematical Statistics:922.2 ; Mechanics:931.1
ESI学科分类	ENGINEERING
Scopus记录号	2-s2.0-85090067085
来源库	Scopus
引用统计	被引频次[WOS]：15
成果类型	期刊论文
条目标识符	http://sustech.caswiz.com/handle/2SGJ60CL/153622
专题	工学院_力学与航空航天工程系
作者单位	1.Institute of Thermal Science and Technology,Shandong University,Jinan,250061,China 2.Department of Mechanics and Aerospace Engineering,Southern University of Science and Technology,Shenzhen,518055,China 3.Shandong Institute of Advanced Technology,Jinan,250061,China
推荐引用方式 GB/T 7714	Ba，Qingxin,He，Qian,Zhou，Bo,et al. Modeling of cryogenic hydrogen releases[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2020,45(55):31315-31326.
APA	Ba，Qingxin,He，Qian,Zhou，Bo,Chen，Mingjia,Li，Xuefang,&Cheng，Lin.(2020).Modeling of cryogenic hydrogen releases.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,45(55),31315-31326.
MLA	Ba，Qingxin,et al."Modeling of cryogenic hydrogen releases".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 45.55(2020):31315-31326.