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Numerical Analysis of High Speed Droplet Impact

Sanada, Toshiyuki and Ando, Keita and Colonius, Tim (2010) Numerical Analysis of High Speed Droplet Impact. In: ICMF 2010: 7th International Conference on Multiphase Flow. University of Florida George A. Smathers Libraries , Gainesville, FL, Art. No. 16.1.3.

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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 (Johnsen & Colonius 2006) 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 the lateral jetting generation are investigated. In addition, the effect of target compliance is evaluated.

Item Type:Book Section
Related URLs:
URLURL TypeDescription
Colonius, Tim0000-0003-0326-3909
Additional Information:© 2010 International Conference on Multiphase Flow (ICMF). 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
Shizuoka UniversityUNSPECIFIED
Subject Keywords:Numerical simulation, high-speed, droplet, side jet, target compliance
Record Number:CaltechAUTHORS:20190717-102320850
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97220
Deposited By: Melissa Ray
Deposited On:18 Jul 2019 22:41
Last Modified:03 Oct 2019 21:29

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