Expansion tube experiments of magnetohydrodynamic aerobraking for superorbital earth reentry

A Lefevre, DE Gildfind, RJ Gollan, PA Jacobs… - AIAA Journal, 2021 - arc.aiaa.org
A set of magnetohydrodynamic (MHD) aerobraking experiments was conducted with the aim
of simulating the Earth reentry environment for Mars return trajectories, and to study the …

Influence of thermochemical nonequilibrium on expansion tube air test conditions: A numerical study

S Gu, J Hao, Q Wang, CY Wen - Physics of Fluids, 2023 - pubs.aip.org
Using a Lagrangian solver, thermochemical nonequilibrium simulations are performed for
the entire range of practical operating conditions of expansion tubes to isolate the influence …

Hypersonic shock impingement studies on a flat plate: flow separation of laminar boundary layers

EWK Chang, WYK Chan, TJ McIntyre… - Journal of Fluid …, 2022 - cambridge.org
Interactions between shock waves and boundary layers produce flow separations and
augmented pressure/thermal loads in hypersonic flight. This study provides details of Mach …

Magnetohydrodynamic drag measurements in an expansion tunnel with argon test gas

DR Smith, DE Gildfind, PA Jacobs, TG Cullen… - AIAA Journal, 2020 - arc.aiaa.org
Magnetohydrodynamic (MHD) aerobraking experiments were conducted in the large-scale
X3 expansion tunnel at the University of Queensland. The test gas was argon flowing at …

Testing of ultra fast response, durable co-axial thermocouples for high enthalpy impulse facilities

CM James, B Birch, DR Smith, TG Cullen… - AIAA Aviation 2019 …, 2019 - arc.aiaa.org
Fast response heat flux gauges relying on the semi-infinite heat conduction principle have
commonly been used to study heat flux in impulse test facilities such as expansion tubes …

Magnetohydrodynamic drag force measurements in an expansion tube

DR Smith, DE Gildfind, CM James, T McIntyre… - 2018 flow control …, 2018 - arc.aiaa.org
Magnetohydrodynamic Drag Force Measurements in an Expansion Tube Page 1
Magnetohydrodynamic Drag Force Measurements in an Expansion Tube Daniel R. Smith∗ …

Laser absorption sensor targeting potassium for hypersonic velocity, temperature, and enthalpy measurements

T Schwartz, PM Finch, CL Strand, RK Hanson, Y Luo… - AIAA Journal, 2023 - arc.aiaa.org
A laser absorption-based sensor for hypersonic gas flows was developed, targeting the D 1
spectroscopic transition of atomic potassium near 770 nm. The sensor applies rapid …

Experimental results of the electron transpiration cooling effect in the X2 expansion tunnel

OL Paxton, H Porat, IH Jahn - AIAA AVIATION 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-3808. vid Electron Transpiration
Cooling (ETC) is a novel heat transfer mechanism that could be used to manage the …

Using aerothermodynamic similarity to experimentally study nonequilibrium giant planet entry

Y Liu, CM James, RG Morgan… - Journal of Spacecraft and …, 2020 - arc.aiaa.org
Peak heating points for the entry into Uranus, Neptune, and Saturn exhibit highly
nonequilibrium shock layers, and are not well understood. This paper describes an …

Simulating gas giant atmospheric entry using helium and neon test gas substitutions

CM James, DE Gildfind, RG Morgan… - Journal of Spacecraft …, 2019 - arc.aiaa.org
Flight into the gas giant planets involves atmospheric entry velocities between 20 and 50
km/s, which are mostly beyond the capabilities of current ground testing facilities that make …