| Numerical simulation of condensation of bubbles under microgravity conditions by moving mesh method in the double-staggered grid |
| Pu L; Li HX(李会雄) ; Zhao JF(赵建福); Chen TK(陈听宽)
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| 发表期刊 | Microgravity Science and Technology
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| 2009
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| 卷号 | 21期号:S1页码:S15-S22 |
| ISSN | 0938-0108
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| 摘要 | A numerical 2D method for simulation of two-phase flows including phase change under microgravity conditions is presented in this paper, with a level set method being coupled with the moving mesh method in the double-staggered grid systems. When the grid lines bend very much in a curvilinear grid, great errors may be generated by using the collocated grid or the staggered grid. So the double-staggered grid was adopted in this paper. The level set method is used to track the liquid-vapor interface. The numerical analysis is fulfilled by solving the Navier-Stokes equations using the SIMPLER method, and the surface tension force is modeled by a continuum surface force approximation. A comparison of the numerical results obtained with different numerical strategies shows that the double-staggered grid moving-mesh method presented in this paper is more accurate than that used previously in the collocated grid system. Based on the method presented in this paper, the condensation of a single bubble in the cold water under different level of gravity is simulated. The results show that the condensation process under the normal gravity condition is different from the condensation process under microgravity conditions. The whole condensation time is much longer under the normal gravity than under the microgravity conditions. |
| 关键词 | Condensation
Moving Mesh Method
Double-staggered Grid
Microgravity
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| 学科领域 | 流体力学
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| DOI | 10.1007/s12217-009-9143-7
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| 收录类别 | SCI
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| 语种 | 英语
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| WOS记录号 | WOS:000268745900004
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| 关键词[WOS] | MOMENTUM INTERPOLATION
; FLOW
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| WOS研究方向 | Engineering
; Thermodynamics
; Mechanics
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| WOS类目 | Engineering, Aerospace
; Thermodynamics
; Mechanics
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| 引用统计 |
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| 文献类型 | 期刊论文
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| 条目标识符 | http://dspace.imech.ac.cn/handle/311007/28764
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| 专题 | 微重力重点实验室
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| 通讯作者 | Li HX(李会雄) |
推荐引用方式
GB/T 7714 |
Pu L,Li HX,Zhao JF,et al. Numerical simulation of condensation of bubbles under microgravity conditions by moving mesh method in the double-staggered grid[J]. Microgravity Science and Technology,2009,21,S1,:S15-S22.
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| APA |
Pu L,李会雄,赵建福,&陈听宽.(2009).Numerical simulation of condensation of bubbles under microgravity conditions by moving mesh method in the double-staggered grid.Microgravity Science and Technology,21(S1),S15-S22.
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| MLA |
Pu L,et al."Numerical simulation of condensation of bubbles under microgravity conditions by moving mesh method in the double-staggered grid".Microgravity Science and Technology 21.S1(2009):S15-S22.
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