| An experimental research on surface oscillation of buoyant-thermocapillary convection in open cylindrical annuli | |
Zhang L ; Duan L(段俐); Kang Q(康琦); Kang, Q (reprint author), Chinese Acad Sci, Natl Micrograv Lab, Inst Mech, Beijing 100190, Peoples R China.
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| Source Publication | Acta Mechanica Sinica
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| 2014-10 | |
| Volume | 30Issue:5Pages:681-686 |
| ISSN | 0567-7718 |
| Abstract | An experiment is carried out on the surface oscillation of buoyant-thermocapillary convection in an open cylindrical annulus. When the radial temperature difference Delta T reaches a critical value Delta T (c), a regular oscillation appears and soon disappears on the open surface, which varies when the liquid layer's thickness h and temperature difference Delta T are varied. With growth of Delta T, dominant frequency of the visible oscillation will grow too but is found within certain frequencies. Driving forces, buoyance and thermocapillarity, are responsible for this phenomanon and the "balance" point is considered to exist when h is between 4.5-5.0mm. Surface oscillation region is also found restricted within a narrow gap when Bo is smaller than 3.7. |
| Keyword | Cylindrical Annulus Buoyant-thermocapillary Convection Surface Oscillation Critical Temperature Difference |
| Subject Area | Engineering ; Mechanics |
| URL | 查看原文 |
| Indexed By | SCI ; EI ; CSCD |
| Language | 英语 |
| WOS ID | WOS:000344382200007 |
| Funding Organization | The project was supported by the National Natural Science Foundation of China (11032011 and 10972224) and Knowledge Innovation Program of Chinese Academy of Sciences (KJCX2-YW-L08). |
| Department | NML微重力实验流体力学 |
| Classification | 二类 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/49384 |
| Collection | 微重力重点实验室 |
| Corresponding Author | Kang, Q (reprint author), Chinese Acad Sci, Natl Micrograv Lab, Inst Mech, Beijing 100190, Peoples R China. |
| Recommended Citation GB/T 7714 | Zhang L,Duan L,Kang Q,et al. An experimental research on surface oscillation of buoyant-thermocapillary convection in open cylindrical annuli[J]. Acta Mechanica Sinica,2014,30,5,:681-686. |
| APA | Zhang L,段俐,康琦,&Kang, Q .(2014).An experimental research on surface oscillation of buoyant-thermocapillary convection in open cylindrical annuli.Acta Mechanica Sinica,30(5),681-686. |
| MLA | Zhang L,et al."An experimental research on surface oscillation of buoyant-thermocapillary convection in open cylindrical annuli".Acta Mechanica Sinica 30.5(2014):681-686. |
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