Non-intrusive measurement techniques for flow characterization of hypersonic wind tunnels
PM Danehy, J Weisberger, C Johansen, D Reese… - 2018 - ntrs.nasa.gov
This manuscript describes the wide variety of optical measurement techniques for
characterizing the flow in hypersonic wind tunnels. The introduction briefly describes …
characterizing the flow in hypersonic wind tunnels. The introduction briefly describes …
NO PLIF imaging in the CUBRC 48-inch shock tunnel
Nitric oxide planar laser-induced fluorescence (NO PLIF) imaging is demonstrated at a 10-
kHz repetition rate in the Calspan University at Buffalo Research Center's (CUBRC) 48-inch …
kHz repetition rate in the Calspan University at Buffalo Research Center's (CUBRC) 48-inch …
Hypersonic wake velocity measurements using acetone molecular tagging velocimetry
Molecular tagging velocimetry, a minimally intrusive laser diagnostic, was used to find
quantitative off-body velocity measurements in the wake of both strut-mounted and free-flight …
quantitative off-body velocity measurements in the wake of both strut-mounted and free-flight …
Review of planar laser-induced fluorescence measurements in the NASA Langley 31-Inch Mach 10 Air Tunnel
In 2003 a mobile planar laser-induced fluorescence (PLIF) system was constructed at NASA
Langley Research Center to visualize and quantify high speed flowfields containing …
Langley Research Center to visualize and quantify high speed flowfields containing …
Nitric-oxide planar laser-induced fluorescence measurements in the hypersonic materials environmental test system
Planar laser-induced fluorescence of naturally occurring nitric oxide has been used to
provide insight into baseline flow conditions of the Hypersonic Materials Environmental Test …
provide insight into baseline flow conditions of the Hypersonic Materials Environmental Test …
Direct simulation Monte Carlo computations and experiments on leading-edge separation in rarefied hypersonic flow
A comprehensive study of the fundamental characteristics of leading-edge separation in
rarefied hypersonic flows is undertaken and its salient features are elucidated. Separation of …
rarefied hypersonic flows is undertaken and its salient features are elucidated. Separation of …
Molecular-based optical diagnostics for hypersonic nonequilibrium flows
P Danehy, B Bathel, C Johansen, M Winter, S O'Byrne… - 2015 - ntrs.nasa.gov
This presentation package consists of seven different talks rolled up into one. These talks
are all invited orals presentations in a special session at the Aviation 2015 conference and …
are all invited orals presentations in a special session at the Aviation 2015 conference and …
Comparison of velocity and temperature measurements with simulations in a hypersonic wake flow
A hypersonic shock-tunnel flow around an axisymmetric model of a planetary entry probe is
analyzed. Planar laser-induced fluorescence is applied to measure both the velocity and the …
analyzed. Planar laser-induced fluorescence is applied to measure both the velocity and the …
Nitric oxide PLIF measurements in the hypersonic materials environmental test system (HYMETS)
A nonintrusive laser-based measurement system has been applied for the first time in the
HYMETS (Hypersonic Materials Environmental Test System) 400 kW arc-heated wind tunnel …
HYMETS (Hypersonic Materials Environmental Test System) 400 kW arc-heated wind tunnel …
Resonant-enhanced multiphoton ionization of nitric oxide (NO) tagging velocimetry in a detonation-driven hypersonic shock tunnel
This Letter demonstrates the use of long-lifetime NO fluorescence for molecular tagging
velocimetry (MTV) with (1+ 1) resonant-enhanced multiphoton ionization (REMPI) scheme …
velocimetry (MTV) with (1+ 1) resonant-enhanced multiphoton ionization (REMPI) scheme …