Deep-learning prediction and uncertainty quantification for scramjet intake flowfields

C Fujio, H Ogawa - Aerospace Science and Technology, 2022 - Elsevier
Scramjet is a promising propulsion technology that provides efficient and flexible access-to-
space and high-speed point-to-point transportation. Since the design process of scramjet …

Effects of wedge-angle change on the evolution of oblique detonation wave structure

J Sun, P Yang, B Tian, Z Chen - Physics of Fluids, 2022 - pubs.aip.org
Compared to pulse detonation engine and rotating detonation engine, oblique detonation
engine has the advantage of higher flight Mach number. However, it is still challenging to …

Numerical investigation of unsteady aerodynamic characteristics induced by the interaction of oblique/bow shock waves during rotation

D Wang, G Han, M Liu, Z Jiang - Physics of Fluids, 2023 - pubs.aip.org
The interactions between oblique and bow shock waves are significant problems related to
the aerodynamic force and thermal performance of hypersonic vehicles, but few studies …

Viscosity effects on weak irregular reflection of shock waves in steady flow

MS Ivanov, YA Bondar, DV Khotyanovsky… - Progress in aerospace …, 2010 - Elsevier
The viscosity effects on weak shock wave reflection are investigated with the Navier–Stokes
and DSMC flow solvers. It is shown that the viscosity plays a crucial role in the vicinity of …

Numerical investigation of axisymmetric intake flowfield and performance for scramjet-powered ascent flight

C Fujio, S Brahmachary, H Ogawa - Aerospace Science and Technology, 2021 - Elsevier
Air intakes play a crucial role in the operation of scramjet engines, one of the most promising
hypersonic airbreathing propulsion technologies for efficient and flexible space …

Size and shape of shock waves and slipline for Mach reflection in steady flow

CY Bai, ZN Wu - Journal of Fluid Mechanics, 2017 - cambridge.org
For Mach reflection in steady supersonic flow, the slipline and reflected shock wave from the
triple point are disturbed by secondary Mach waves generated over the slipline and by the …

Study of asymmetrical shock wave reflection in steady supersonic flow

J Lin, CY Bai, ZN Wu - Journal of Fluid Mechanics, 2019 - cambridge.org
The asymmetrical Mach reflection configuration is studied analytically in this paper, using an
asymmetrical model extended from a recent symmetrical model and accounting for the new …

Streamwise vortex breakdown due to the interaction with crossed shock waves

T Hiejima - Journal of Fluid Mechanics, 2023 - cambridge.org
This paper presents a vortex breakdown study due to the interaction between a Batchelor
vortex and the crossing of oblique shock waves with Mach numbers of 3.5 and 5.0 …

Open channel flow through a linear contraction

A Defina, DP Viero - Physics of Fluids, 2010 - pubs.aip.org
In this work we study the open channel flow through a linear contraction. We focus on the
flow configuration with a two-dimensional jump in the contraction discussed by Akers and …

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

D Wang, G Han, M Liu, Z Jiang - Physics of Fluids, 2022 - pubs.aip.org
In this Letter, the dynamic effect of rotation on unsteady shock interaction between an
oblique shock wave and bow shock ahead of an elliptic cylinder is numerically investigated …