变形影响下液滴热毛细迁移运动的瞬态行为
摘要
The transient thermocapillary migration of drops with nontrivial deformation is studied. The finite difference method is employed to solve the incompressible Navier-Stokes equations coupled with the energy equation; the front-tracking method is adopted to track the moving deformable drop interface. In the hot region, deformations of drops increase with the decrease of interfacial tensions. In order to indicate the temperature impact on the interfacial tension, a local capillary number (Ca l ) is introduced. It is found that, when the drop density is smaller/larger than that of the bulk fluid, the drop velocity decreases/increases with the increase of the drop deformation.
引用本文（GB/T 7714）
Zhaohua Yin, Wenrui Hu, Chang Lei. 变形影响下液滴热毛细迁移运动的瞬态行为[J]. Zhongguo kexue. Wulixue Lixue Tianwenxue, 2011.
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