Underwater oblique shock wave reflection

Ritwik Ghoshal and Nilanjan Mitra
Phys. Rev. Fluids 3, 013403 – Published 29 January 2018

Abstract

This paper presents a comprehensive theoretical study of oblique shock wave reflection in water. The study identifies wedge angles in a structure that can alter the reflection characteristics of shock waves of different strengths. Utilizing the shock polar diagrams for both incident and reflected shock, the domain of regular and irregular reflection is identified. The effect of phase transition of water on reflection characteristics and its subsequent effect on the domain of regular and irregular reflection are also investigated theoretically. Results are compared between two equations of state, and it is observed that they give similar results for low-pressure regimes; however, reflection characteristics are significantly different for high-pressure regimes where phase transition of water has been reported to be observed. The implications of these theoretical observations are substantial for designing experimental devices and can be utilized to benchmark numerical simulations.

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  • Received 2 January 2017

DOI:https://doi.org/10.1103/PhysRevFluids.3.013403

©2018 American Physical Society

Physics Subject Headings (PhySH)

Fluid Dynamics

Authors & Affiliations

Ritwik Ghoshal*

  • Department of Civil and Environmental Engineering, Indian Institute of Technology Patna, Patna 801103, India

Nilanjan Mitra

  • Department of Civil Engineering and Center for Theoretical Studies, Indian Institute of Technology Kharagpur, Kharagpur 721302, India

  • *ritwik.ghoshal@gmail.com
  • nilanjan@civil.iitkgp.ernet.in

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Issue

Vol. 3, Iss. 1 — January 2018

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