Optical aerodynamic measurements of hypersonic free-flight using Bayesian state estimation

A Lock, G Armstrong, F Hack, B Birch… - AIAA Aviation 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-3713. vid Free-flight aerodynamic
measurements via optical tracking have recently gained popularity due to model simplicity …

Plenum-Based Mass Flow Metering

LJ Noller, F Zander, DR Buttsworth - AIAA Journal, 2024 - arc.aiaa.org
ACCURATE captured mass flow measurement for high-speed airbreathing engines such as
ramjets and scramjets is critical to achieve efficient and reliable operation. Modern inlet …

Aerodynamic Measurements of Hypersonic Free-Flight via Optical Tracking and Bayesian State Estimation

A Lock, F Hack, I Jahn, G Armstrong, B Birch… - AIAA Journal, 2024 - arc.aiaa.org
Optical force and moment measurements of hypersonic free-flight can cover a range of
attitudes during a single test and avoid difficulties encountered by alternative measurement …

General theory of diaphragm rupture in a shock tunnel

Y Liu, F Ji, B Jiang, R Li, X Sha, X Xiao - Physics of Fluids, 2024 - pubs.aip.org
As the flow field starting device is in a shock tunnel, the rupture performance of the
diaphragm directly influences the successful formation of the shock wave. The general …

Wind-Tunnel based Free-Flight Testing of a Viscous Optimised Hypersonic Waverider

JH Moran, LP McQuellin, L Pollock, AJ Neely… - AIAA SciTech 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1385. vid Using previously
published waverider methods, a viscous optimized outer mold line was generated for Mach …

Mach 6 and Mach 7 conditions in TUSQ at Reynolds numbers up to 30 million

J Moran, DR Buttsworth, L Noller - AIAA AVIATION FORUM AND …, 2024 - arc.aiaa.org
The TUSQ hypersonic wind tunnel at the University of Southern Queensland has been
operational for almost 15 years and has most commonly been used for Mach 6 and Mach 7 …

Free-Flight of a Propelled Axisymmetric Vehicle in a Hypersonic Ground-Test Facility

LP McQuellin, DR Buttsworth - AIAA SCITECH 2024 Forum, 2024 - arc.aiaa.org
High-speed vehicle aerodynamics, flight dynamics, and wake signatures can be profoundly
influenced by propulsive effects. Free-flight model techniques in high speed ground-test …

Reconfiguring the TUSQ Hypersonic Facility for Lower Mach Number

P Swann, D Buttsworth, IH Jahn, R Frith… - … FORUM AND ASCEND …, 2024 - arc.aiaa.org
Establishing facilities that can achieve high Reynolds number and relatively long duration
conditions are critical to the aerodynamic testing of scaled supersonic and hypersonic …

Depressurisation Restart Method for a Hypersonic Inlet with Closed-Plenum Mass Flow Metering

LJ Noller, F Zander, D Buttsworth - AIAA AVIATION FORUM AND …, 2024 - arc.aiaa.org
The current work focuses on development of a restart mechanism which utilises flow
unsteadiness to promote restart of a hypersonic inlet operating at Mach 7. To test the restart …