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Splash jet generated by collision of two liquid wedges

Semenov, YA; Wu, GX; Oliver, JM; (2013) Splash jet generated by collision of two liquid wedges. Journal of Fluid Mechanics , 737 pp. 132-145. 10.1017/jfm.2013.529. Green open access

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Abstract

A complete nonlinear self-similar solution that characterizes the impact of two liquid wedges symmetric about the velocity direction is obtained assuming the liquid to be ideal and incompressible, with negligible surface tension and gravity effects. Employing the integral hodograph method, analytical expressions for the complex potential and for its derivatives are derived. The boundary value problem is reduced to two integro-differential equations in terms of the velocity modulus and angle to the free surface. Numerical results are presented in a wide range of wedge angles for the free surface shapes, streamline patterns, and pressure distributions. It is found that the splash jet may cause secondary impacts. The regions with and without secondary impacts in the plane of the wedge angles are determined.

Type: Article
Title: Splash jet generated by collision of two liquid wedges
Open access status: An open access version is available from UCL Discovery
DOI: 10.1017/jfm.2013.529
Publisher version: https://doi.org/10.1017/jfm.2013.529
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Science & Technology, Technology, Physical Sciences, Mechanics, Physics, Fluids & Plasmas, Physics, Mechanics, Physics, Fluids & Plasmas, Breakup/coalescence, Free-Surface Flows, General Fluid Mechanics, Surface-Tension, Ejecta Sheet, Drop Impact, Entrainment, Breaking, Flows, Film
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/1419495
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