Experimental Study of Nucleate Pool Boiling of Fc-72 on Smooth Surface Under Microgravity
文献类型：期刊论文
| 作者 | Xue YF; Zhao JF(赵建福) ; Wei JJ; Li J(李晶); Guo D; Wan SX(万士昕)
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| 刊名 | MICROGRAVITY SCIENCE AND TECHNOLOGY
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| 出版日期 | 2011 |
| 卷号 | 23页码:S75-S85 |
| 通讯作者邮箱 | jjwei@mail.xjtu.edu.cn |
| 关键词 | Microgravity Pool boiling Heat transfer Thermocapillary convection Coalescence |
| ISSN号 | 0938-0108 |
| 产权排序 | [Xue, Yan-Fang; Wei, Jin-Jia; Guo, Dong] Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Sch Energy & Power Engn, Xian 710049, Peoples R China; [Zhao, Jian-Fu; Li, Jing; Wan, Shi-Xin] Chinese Acad Sci, Key Lab Micrograv, Natl Micrograv Lab, Beijing 100190, Peoples R China; [Zhao, Jian-Fu; Li, Jing; Wan, Shi-Xin] Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China |
| 通讯作者 | Wei, JJ (reprint author), Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Sch Energy & Power Engn, Xian 710049, Peoples R China. |
| 中文摘要 | Experiments of highly subcooled nucleate pool boiling of FC-72 with dissolved air were studied both in short-term microgravity condition utilizing the drop tower Beijing and in normal gravity conditions. The bubble behavior and heat transfer of air-dissolved FC-72 on a small scale silicon chip (10 x 10 x 0.5 mm(3)) were obtained at the bulk liquid subcooling of 41 K and nominal pressure of 102 kPa. The boiling heat transfer performance in low heat flux region in microgravity is similar to that in normal gravity condition, while vapor bubbles increase in size but little coalescence occurs among bubbles, and then forms a large bubble remains attached to the heater surface during the whole microgravity period. Thermocapillary convection may be an important mechanism of boiling heat transfer in this case. With further increasing in heat flux to the fully developed nucleate boiling region, the vapor bubbles number as well as their size significantly increase in microgravity. Rapid coalescence occurs among adjacent bubbles and then the coalesced large bubble can depart from the heating surface during the microgravity period. The reason of the large bubble departure is mainly attributed to the momentum effects caused by the coalescence of small bubbles with the large one. Hence, the steady-state pool boiling can still be obtained in microgravity. In the high heat flux regime near the critical heat flux, significant deterioration of heat transfer was observed, and a large coalesced bubble forms quickly and almost covers the whole heater surface, leading to the occurrence of the critical heat flux in microgravity condition. |
| 分类号 | 二类/Q2 |
| 类目[WOS] | Engineering, Aerospace ; Thermodynamics ; Mechanics |
| 研究领域[WOS] | Engineering ; Thermodynamics ; Mechanics |
| 收录类别 | SCI ; EI |
| 语种 | 英语 |
| WOS记录号 | WOS:000208739100010 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/58583]  |
| 专题 | 力学研究所_国家微重力实验室 |
| 推荐引用方式 GB/T 7714 | Xue YF,Zhao JF,Wei JJ,et al. Experimental Study of Nucleate Pool Boiling of Fc-72 on Smooth Surface Under Microgravity[J]. MICROGRAVITY SCIENCE AND TECHNOLOGY,2011,23:S75-S85. |
| APA | Xue YF,赵建福,Wei JJ,李晶,Guo D,&万士昕.(2011).Experimental Study of Nucleate Pool Boiling of Fc-72 on Smooth Surface Under Microgravity.MICROGRAVITY SCIENCE AND TECHNOLOGY,23,S75-S85. |
| MLA | Xue YF,et al."Experimental Study of Nucleate Pool Boiling of Fc-72 on Smooth Surface Under Microgravity".MICROGRAVITY SCIENCE AND TECHNOLOGY 23(2011):S75-S85. |
入库方式： OAI收割
来源：力学研究所
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