Thermochemical effects on hypersonic shock waves interacting with weak turbulence

C Huete, A Cuadra, M Vera, J Urzay - Physics of Fluids, 2021 - pubs.aip.org
The interaction between a weakly turbulent free stream and a hypersonic shock wave is
investigated theoretically by using linear interaction analysis (LIA). The formulation is …

Density effects on post-shock turbulence structure and dynamics

Y Tian, FA Jaberi, D Livescu - Journal of Fluid Mechanics, 2019 - cambridge.org
Turbulence structure resulting from multi-fluid or multi-species, variable-density isotropic
turbulence interaction with a Mach 2 shock is studied using turbulence-resolving shock …

Compressibility effects on Reynolds stress amplification and shock structure in shock–isotropic turbulence interactions

NE Grube, MP Martín - Journal of Fluid Mechanics, 2023 - cambridge.org
Recent direct numerical simulation studies of canonical shock–isotropic turbulence
interactions (SITIs) in the highly compressible regime exhibit streamwise Reynolds stress …

Acoustic stability of nonadiabatic high-energy-density shocks

C Huete, F Cobos-Campos, E Abdikamalov… - Physical Review …, 2020 - APS
As predicted by D'yakov [Shock wave stability, Zh. Eksp. Teor. Fiz. 27, 288 (1954)] and
Kontorovich [On the shock waves stability, Zh. Eksp. Teor. Fiz. 33, 1525 (1957)], an initially …

The impact of vorticity waves on the shock dynamics in core-collapse supernovae

C Huete, E Abdikamalov… - Monthly Notices of the …, 2018 - academic.oup.com
Convective perturbations arising from nuclear shell burning can play an important role in
propelling neutrino-driven core-collapse supernova explosions. In this work, we analyse the …

Effects of rotation and magnetic field on the revival of a stalled shock in supernova explosions

K Fujisawa, H Okawa, Y Yamamoto… - The Astrophysical …, 2019 - iopscience.iop.org
We investigate axisymmetric steady solutions of (magneto) hydrodynamics equations that
approximately describe accretion flows through a standing shock wave onto a protoneutron …

Effect of turbulent Mach number on the thermodynamic fluctuations in canonical shock-turbulence interaction

YPM Sethuraman, K Sinha - Computers & Fluids, 2020 - Elsevier
Shock waves can generate high levels of turbulent fluctuations in temperature, pressure and
other thermodynamic properties. These have significant role in turbulent mixing, heat …

D'Yakov–Kontorovich instability in planar reactive shocks

C Huete, M Vera - Journal of Fluid Mechanics, 2019 - cambridge.org
The standard D'Yakov and Kontorovich (DK) instability occurs when a planar shock wave is
perturbed and then oscillates with constant amplitude in the long-time regime. As a direct …

Reynolds stress anisotropy in shock/isotropic turbulence interactions

NE Grube, MP Martín - Journal of Fluid Mechanics, 2021 - cambridge.org
Linear interaction analysis (LIA) predicts that isotropic vortical turbulence interacting with a
normal shock wave at Mach 2 or greater produces a post-shock Reynolds stress tensor …

Experiments on critical behavior of oblique detonation wave in stratified mixtures

K Iwata, N Hanyu, S Maeda, T Obara - Physics of Fluids, 2024 - pubs.aip.org
Two-stage gas-gun ballistic experiments are performed to investigate the feasibility of
stratified mixtures with variable global equivalence ratios Φ global for the formation of …