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Chen Shi, Tao Ying, Shen Shengqiang, Li Dewei. STATIC SPREADING OF DROPLET IMPACT ON SOLID SURFACE：INFLUENCE FACTOR[J]. Chinese Journal of Theoretical and Applied Mechanics, 2014, 46(3): 329-335. DOI: 10.6052/0459-1879-14-012
Citation: Chen Shi, Tao Ying, Shen Shengqiang, Li Dewei. STATIC SPREADING OF DROPLET IMPACT ON SOLID SURFACE：INFLUENCE FACTOR[J]. Chinese Journal of Theoretical and Applied Mechanics, 2014, 46(3): 329-335. DOI: 10.6052/0459-1879-14-012
shu

STATIC SPREADING OF DROPLET IMPACT ON SOLID SURFACE：INFLUENCE FACTOR

  • School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China

Funds: The project was supported by the National Natural Science Foundation of China (51336001).
  • Received Date: January 13, 2014
  • Revised Date: February 27, 2014
    Graphical Abstract
    • Abstract
  • The droplet property has an important effect on the spreading area of a droplet impact on the solid surface. The theoretical method has been established to develop the mathematical model of the droplet based on the static force balance. We first obtained the mathematical expression of the relationship among the static spreading radius, the droplet physical parameters and the contact angle. A computational fluid dynamics (CFD) model was used to simulate drop dynamics on the solid surface. The static spreading radius and the static height solved by theoretical analysis are compared with those from simulation results. Theoretical results show reasonably good agreement with the simulation data. It has been demonstrated that for the different droplets on solid surface, the static spreading radius is determined with the density, the volume, the surface tension coefficient and the contact angle, and without the velocity.
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