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A Computational Study of High-Speed Droplet Impact

T. Sanada1, K. Ando2, T. Colonius2

Shizuoka University, Hamamatsu, Shizuoka, Japan.
California Institute of Technology, Pasadena, CA, USA.

Fluid Dynamics & Materials Processing 2011, 7(4), 329-340.


When a droplet impacts a solid surface at high speed, the contact periphery expands very quickly and liquid compressibility plays an important role in the initial dynamics and the formation of lateral jets. The high speed impact results in high pressures that can account for the surface erosion. In this study, we numerically investigated a high speed droplet impacts on a solid wall. The multicomponent Euler equations with the stiffened equation of state are computed using a FV-WENO scheme with an HLLC Riemann solver that accurately captures shocks and interfaces. In order to compare the available theories and experiments, 1D, 2D and axisymmetric solutions are obtained. The generated pressures, shock speeds, and differences in the dimensionality are investigated. In addition, the effect of target compliance is evaluated.


Cite This Article

Sanada, T., Ando, K., Colonius, T. (2011). A Computational Study of High-Speed Droplet Impact. FDMP-Fluid Dynamics & Materials Processing, 7(4), 329–340.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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