Shock train and pseudo-shock phenomena in internal gas flows

K Matsuo, Y Miyazato, HD Kim - Progress in aerospace sciences, 1999 - Elsevier
The interaction between a normal shock wave and a boundary layer along a wall surface in
internal compressible flows causes a very complicated flow. When the shock is strong …

Pseudo-shock waves and their interactions in high-speed intakes

F Gnani, H Zare-Behtash, K Kontis - Progress in Aerospace Sciences, 2016 - Elsevier
In an air-breathing engine the flow deceleration from supersonic to subsonic conditions
takes places inside the isolator through a gradual compression consisting of a series of …

Behavior of shock trains in a hypersonic inlet/isolator model with complex background waves

HJ Tan, S Sun, HX Huang - Experiments in fluids, 2012 - Springer
The background flow field of a scramjet isolator that accommodates a shock train contains
complex compression and expansion waves, referred as “background waves,” causing large …

Isolator-combustor interactions in a circular model scramjet with thermal and non-thermal choking-induced unstart

D Baccarella, Q Liu, B McGann, G Lee… - Journal of Fluid …, 2021 - cambridge.org
This study investigates the interactions between combustor and isolator and the role played
by combustion on choking-induced unstart. Shock train unsteadiness and pressure …

Shock train/boundary-layer interaction in rectangular isolators

JS Geerts, KH Yu - AIAA Journal, 2016 - arc.aiaa.org
Shock trains in rectangular isolators with inflow Mach number of 2.5 and ARs of 3.0 and 6.0
are investigated. Knowledge gained is used to propose a rectangular isolator modification to …

Shock train leading-edge detection in a dual-mode scramjet

DB Le, CP Goyne, RH Krauss - Journal of Propulsion and Power, 2008 - arc.aiaa.org
THE dual-mode scramjet (DMSJ) is a particularly attractive hypersonic airbreathing
propulsion system because it combines the operational capabilities of a ramjet and a …

Instability of shock train behaviour with incident shocks

N Li, J Chang, K Xu, D Yu, W Bao - Journal of Fluid Mechanics, 2021 - cambridge.org
In a back pressured duct with incident shocks, the shock train exhibits violent oscillations or
even a rapid movement when it passes through a shock-wave–boundary-layer interaction …

A scramjet compression system for hypersonic air transportation vehicle combined cycle engines

D Sen, A Pesyridis, A Lenton - Energies, 2018 - mdpi.com
This paper proposes a compression system for a scramjet, to be used as part of a combined
cycle engine on a hypersonic transport vehicle that can achieve sustained flight at 8 Mach 8 …

Preliminary study of shock train in a curved variable-section diffuser

H Tan, S Sun - Journal of Propulsion and Power, 2008 - arc.aiaa.org
THE shock train in ducts is a complex phenomenon that is frequently encountered in a
supersonic pressure-gain process. It is characterized by strong shock/boundary-layer …

Numerical and experimental investigations of pseudo-shock systems in a planar nozzle: impact of bypass mass flow due to narrow gaps

M Giglmaier, JF Quaatz, T Gawehn, A Gülhan… - Shock Waves, 2014 - Springer
During previous investigations on pseudo-shock systems, we have observed reproducible
differences between measurement and simulations for the pressure distribution as well as …