Mesoscopic kinetic approach for studying nonequilibrium hydrodynamic and thermodynamic effects of shock wave, contact discontinuity, and rarefaction wave in the …

R Qiu, T Zhou, Y Bao, K Zhou, H Che, Y You - Physical Review E, 2021 - APS
This paper presents a detailed description of a molecular velocity distribution-based
mesoscopic kinetic approach that enables a better understanding of various nonequilibrium …

Study of regular reflection shock waves using a mesoscopic kinetic approach: Curvature pattern and effects of viscosity

R Qiu, Y Bao, T Zhou, H Che, R Chen, Y You - Physics of Fluids, 2020 - pubs.aip.org
The physical characteristics inside shock waves with nonequilibrium molecular motion are
difficult to describe using conventional macroscopic methods. In this paper, nonequilibrium …

[HTML][HTML] Mesoscopic Kinetic Approach of Nonequilibrium Effects for Shock Waves

R Qiu, X Yang, Y Bao, Y You, H Jin - Entropy, 2024 - mdpi.com
A shock wave is a flow phenomenon that needs to be considered in the development of high-
speed aircraft and engines. The traditional computational fluid dynamics (CFD) method …

[HTML][HTML] Hydrodynamic and thermodynamic nonequilibrium effects around shock waves: based on a discrete Boltzmann method

C Lin, X Su, Y Zhang - Entropy, 2020 - mdpi.com
A shock wave that is characterized by sharp physical gradients always draws the medium
out of equilibrium. In this work, both hydrodynamic and thermodynamic nonequilibrium …

Flexible macroscopic models for dense-fluid shockwaves: Partitioning heat and work; delaying stress and heat flux; two-temperature thermal relaxation

WG Hoover, CG Hoover, FJ Uribe - arXiv preprint arXiv:1005.1525, 2010 - arxiv.org
Macroscopic models which distinguish the longitudinal and transverse temperatures can
provide improved descriptions of the microscopic shock structures as revealed by molecular …

Computational analysis of the wave motions in micro-shock tube flow

RA Kumar, HD Kim, T Setoguchi - Proceedings of the …, 2014 - journals.sagepub.com
In recent times, shock tube flows have been widely employed in many micro-scale devices
in the fields of propulsion technology, micro-heat engines, particle delivery systems, and so …

A comprehensive study on the roles of viscosity and heat conduction in shock waves

Q Zhu, Y Wu, W Zhou, Q Yang, X Xu - Journal of Fluid Mechanics, 2024 - cambridge.org
Shock waves are of great interest in many fields of science and engineering, but the
mechanisms of their formation, maintenance and dissipation are still not well understood …

Computational study of the unsteady flow characteristics of a micro shock tube

KR Arun, HD Kim - Journal of Mechanical Science and Technology, 2013 - Springer
Micro shock tubes are widely employed in many micro instruments which require high speed
and high temperature flow field. The small flow dimension introduces additional flow physics …

Viscous effects on morphological and thermodynamic non-equilibrium characterizations of shock–bubble interaction

D Zhang, A Xu, Y Gan, Y Zhang, J Song, Y Li - Physics of Fluids, 2023 - pubs.aip.org
A two-fluid discrete Boltzmann model with a flexible Prandtl number is formulated to study
the shock–bubble interaction (SBI). This paper mainly focuses on the viscous effects on …

A numerical study on high-temperature effects of exploding shock waves

VS Saranyamol, T Vamsi Krishna… - Physics of …, 2023 - pubs.aip.org
A planar shock of initial strength MS= 3.0 was focused to a tiny region in space using a
spherically converging test section. The shock accelerates inside the test section, collides …