Application of femtosecond-laser tagging for unseeded velocimetry in a large-scale transonic cryogenic wind tunnel

DT Reese, RJ Thompson, RA Burns, PM Danehy - Experiments in Fluids, 2021 - Springer
Femtosecond laser electronic excitation tagging (FLEET) velocimetry was applied in the
National Transonic Facility and assessed for its use in providing quantitative velocity …

Numerical investigation of the operating conditions affecting nitrogen condensation on a three-dimensional wing in the cryogenic wind tunnel

J Hou, J Xie, X Pan, J Chen - Engineering Applications of …, 2024 - Taylor & Francis
Cryogenic wind tunnels (CWT) perform high Reynolds number aerodynamic tests in a
cryogenic environment and simulate hypersonic flights. However, condensation under …

Feasibility investigation of non-equilibrium condensing nitrogen droplets as tracer particles in cryogenic wind tunnels

J Hou, R Gao, W Zhang, X Zhang, X Xiao, J Xie… - Physics of …, 2023 - pubs.aip.org
Application of high-precision non-intrusive flow field measurement techniques in transonic
cryogenic wind tunnels (CWT) is confined to the lack of suitable tracer particles. The present …

[HTML][HTML] Numerical investigation of nitrogen spontaneous condensation over airfoils in cryogenic wind tunnel

J Hou, X Xiao, J Xie, J Chen - Case Studies in Thermal Engineering, 2024 - Elsevier
Cryogenic wind tunnels (CWT) provide the aerodynamic tests that occur at high Reynolds
numbers by operating under cryogenic environment to meet the requirements of hypersonic …

Characterization of naturally-occurring particles in the NASA Langley 0.3-m Transonic Cryogenic Tunnel using PTV

RA Burns, J Gao, PM Danehy - AIAA SciTech 2024 Forum, 2024 - arc.aiaa.org
Naturally-occurring particles within the NASA Langley 0.3-m Transonic Cryogenic Tunnel
are characterized for their aerodynamic performance using particle tracking velocimetry …

Capturing Unsteady Flow Phenomena at High Speed Stall Conditions by Adaptation and Application of Cryogenic PIV

J Bosbach, R Konrath, R Geisler, F Philipp… - AIAA SciTech 2024 …, 2024 - arc.aiaa.org
We measured and characterized the flow around a full-span, generic passenger aircraft
model under buffet conditions at Mach numbers up to M= 0.9 and Reynolds numbers up to …