# [1]刘向东,郝英立.闭式循环振荡热管内气液两相流数值模拟[J].东南大学学报(自然科学版),2009,39(5):961-966.[doi:10.3969/j.issn.1001-0505.2009.05.019] 　Liu Xiangdong,Hao Yingli.Numerical simulation of vapor-liquid two-phase flow in closed loop oscillating heat pipe[J].Journal of Southeast University (Natural Science Edition),2009,39(5):961-966.[doi:10.3969/j.issn.1001-0505.2009.05.019] 点击复制 闭式循环振荡热管内气液两相流数值模拟() 分享到： var jiathis_config = { data_track_clickback: true };

39

2009年第5期

961-966

2009-09-20

## 文章信息/Info

Title:
Numerical simulation of vapor-liquid two-phase flow in closed loop oscillating heat pipe

1 东南大学能源与环境学院, 南京 210096; 2 东南大学空间科学与技术研究院, 南京 210096
Author(s):
1 School of Energy and Environment, Southeast University, Nanjing 210096, China
2 Institute of Space Science and Technology, Southeast University, Nanjing 210096, China

Keywords:

TK172.4;O359.1
DOI:
10.3969/j.issn.1001-0505.2009.05.019

Abstract:
A comprehensive mathematical model including the effects of vapor-liquid interface and surface tension is proposed to describe the vapor-liquid two-phase flow, heat and mass transfer, and the phase change process in oscillating heat pipe(OHP). The VOF(volume of fluid)method is used for the vapor-liquid distribution and interface motion and the CSF(continuum surface force)model is used for the effect of surface tension. The initial operation of a typical closed loop OHP was simulated based on the proposed model. The results indicate that the initial distribution of working fluid, the complex flow pattern such as bubbly flow, slug flow, semi-annular/annular flow, backflow and the flow pattern transition can be predicted by the model. The phenomenon of annular flow and slug flow in alternating vertical tubes at initial circulation stage was also simulated successfully. The results coincide well with the experimental observations. The flow and heat transfer of working fluid in two transition sections at initial operation stage were analyzed. It is shown that the changes of temperature, pressure and flow pattern are obvious in the transition section between adiabatic section and condensing section, where the transition of heat transfer conditions takes place.

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