Atomization and droplet dynamics of a gas-liquid two-phase jet under different mass loading ratios
文献类型：期刊论文
| 作者 | Wu, Hao2; Zhang, Fujun2; Zhang, Zhenyu2; Hou, Lin1
|
| 刊名 | INTERNATIONAL JOURNAL OF MULTIPHASE FLOW
 |
| 出版日期 | 2022-06-01 |
| 卷号 | 151页码:18 |
| 关键词 | Gas-liquid two-phase jet Mass loading ratio Stokes number Breakup Collision |
| ISSN号 | 0301-9322 |
| DOI | 10.1016/j.ijmultiphaseflow.2022.104043 |
| 通讯作者 | Zhang, Zhenyu(zhenyu.zhang@bit.edu.cn) |
| 英文摘要 | Atomization and droplet dynamics of a gas-liquid two-phase jet were investigated experimentally, with the particular interest in the influence of mass loading ratio (the ratio of droplet mass flow rate to the carrier-phase mass flow rate, ranging from 0.60 to 3.23) on the jet atomization. Droplet size and velocity at selected positions were obtained by employing Phase Doppler Particle Analyzer (PDPA), combined with backlit illumination for spray visualization. Droplet transport characteristics are substantially influenced by the mass load ratio. Char-acterization of the local gas flow velocity by using droplets smaller than 5 mu m reveals a highly turbulent jet with Reynolds number exceeding 5 x 10(4), implying the possibility of droplet turbulent breakup. Critical equilibrium location x(crit )between droplet breakup and coalescence is close to the nozzle exit and a positive correlation is found between mass loading ratio and x(crit). Exaltation of mass loading ratio increases the droplet size and de-creases the velocity. Quantification of droplet collision outcome indicates a relatively high probability of coa-lescence, which explicates the downstream increasing of measured droplet Sauter mean diameter along the centerline of far-field jet. |
| WOS关键词 | TWIN-FLUID ATOMIZATION ; SPRAY ; VELOCITY ; LADEN ; BREAKUP ; SIZE ; DISTRIBUTIONS ; COALESCENCE ; FLOW |
| 资助项目 | National Natural Science Foundation of China[51806013] ; Foundation research funds of the Ministry of Industry and Information Technology[JCKY2019602D018] ; Foundation research funds of the Ministry of Industry and Information Technology[WDZC-2019-JGKK-02] ; Beijing Institute of Technology Research Fund Program for Young Scholars[2020CX04047] |
| WOS研究方向 | Mechanics |
| 语种 | 英语 |
| WOS记录号 | WOS:000790897300003 |
| 资助机构 | National Natural Science Foundation of China ; Foundation research funds of the Ministry of Industry and Information Technology ; Beijing Institute of Technology Research Fund Program for Young Scholars |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/89345]  |
| 专题 | 力学研究所_高温气体动力学国家重点实验室 |
| 通讯作者 | Zhang, Zhenyu |
| 作者单位 | 1.Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China 2.Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wu, Hao,Zhang, Fujun,Zhang, Zhenyu,et al. Atomization and droplet dynamics of a gas-liquid two-phase jet under different mass loading ratios[J]. INTERNATIONAL JOURNAL OF MULTIPHASE FLOW,2022,151:18. |
| APA | Wu, Hao,Zhang, Fujun,Zhang, Zhenyu,&Hou, Lin.(2022).Atomization and droplet dynamics of a gas-liquid two-phase jet under different mass loading ratios.INTERNATIONAL JOURNAL OF MULTIPHASE FLOW,151,18. |
| MLA | Wu, Hao,et al."Atomization and droplet dynamics of a gas-liquid two-phase jet under different mass loading ratios".INTERNATIONAL JOURNAL OF MULTIPHASE FLOW 151(2022):18. |
入库方式： OAI收割
来源：力学研究所
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