Dynamics of a spherical body shedding from a hypersonic ramp. Part 1. Inviscid flow

Sousa, Cole; Deiterding, Ralf; Laurence, Stuart J.

doi:10.1017/jfm.2020.756

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Cited by 6 publications

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“…In our idealized study, the vehicle is represented by a two-dimensional ramp and the shed object by a spherical body of uniform density that is released instantaneously from the ramp surface. In Part 1 of this work (Sousa, Deiterding & Laurence 2021), the inviscid problem was examined; in this second part, we examine the effects of flow viscosity on the sphere dynamics, in particular, focusing on the role of the ramp boundary layer.…”

Section: Introductionmentioning

confidence: 99%

Dynamics of a spherical body shedding from a hypersonic ramp. Part 2. Viscous flow

et al. 2020

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Section: Introductionmentioning

confidence: 99%

Dynamics of a spherical body shedding from a hypersonic ramp. Part 2. Viscous flow

et al. 2020

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Non-inertial computational framework for long-distance shock-driven object dynamics

Wang,

Han,

Liu

et al. 2025

Computers & Fluids

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Numerical investigation on unsteady interaction of oblique/bow shock during rotation based on non-inertial coordinate system

et al. 2022

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In this letter, the dynamic effect of rotation on unsteady shock interaction between an oblique shock wave and bow shock ahead of elliptic cylinder is investigated numerically. First, a non-deforming grid method based on non-inertial reference frame is applied for supersonic/hypersonic flow around arbitrarily moving body. A simulation considering a rotating elliptic cylinder is then conducted at Ma5 with forced-oscillation approach. The results show that the shock interaction structure during rotation has obvious hysteresis compared with the static condition, and transition among different shock interaction types is also affected by rotation direction and speed. The mechanisms are briefly addressed.

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Dynamics of a spherical body shedding from a hypersonic ramp. Part 1. Inviscid flow

Abstract: Abstract

Cited by 6 publications

References 21 publications

Dynamics of a spherical body shedding from a hypersonic ramp. Part 2. Viscous flow

Dynamics of a spherical body shedding from a hypersonic ramp. Part 2. Viscous flow

Non-inertial computational framework for long-distance shock-driven object dynamics

Numerical investigation on unsteady interaction of oblique/bow shock during rotation based on non-inertial coordinate system

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