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A Computational Study of High-Speed Droplet Impact

Sanada, T. and Ando, K. and Colonius, T. (2011) A Computational Study of High-Speed Droplet Impact. Fluid Dynamics & Material Processing, 7 (4). pp. 329-340. ISSN 1555-2578.

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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.

Item Type:Article
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Colonius, T.0000-0003-0326-3909
Additional Information:© 2011 Tech Science Press. TSP journals publish articles under the Creative Commons Attribution License and are using the CC BY license. This work was conducted during one of the author T. Sanada stayed at California Institute of Technology. T. S. appreciates the support by Murakawa Niro Foundation and Faculty of Engineering, Shizuoka University.
Funding AgencyGrant Number
Murakawa Niro FoundationUNSPECIFIED
Subject Keywords:Numerical simulation, high-speed, droplet, target compliance
Issue or Number:4
Record Number:CaltechAUTHORS:20190712-112322993
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97122
Deposited By: Melissa Ray
Deposited On:15 Jul 2019 20:39
Last Modified:03 Oct 2019 21:28

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