Fluorescence imaging of plume-surface interaction in large-scale reduced pressure environments
Planar laser-induced fluorescence (PLIF) was applied for the first time in the 20-ft vacuum
chamber at the Marshall Space Flight Center to visualize the plume-surface interaction (PSI) …
chamber at the Marshall Space Flight Center to visualize the plume-surface interaction (PSI) …
On the Interaction Between a Flow Instability and Inertial Particles in Supersonic Jet Plume-Surface Interaction
Extraterrestrial landings often require spacecraft to deploy supersonic jets directed at dusty
planetary surfaces to ensure controlled descents. This interaction, termed plume-surface …
planetary surfaces to ensure controlled descents. This interaction, termed plume-surface …
100 kHz high-spectral-resolution NO-PLIF measurements for compressible flows
View Video Presentation: https://doi. org/10.2514/6.2023-0405. vid In the present work, we
use a burst-mode laser and optical parametric oscillator system to perform high-spectral …
use a burst-mode laser and optical parametric oscillator system to perform high-spectral …
Simple, fast nitric oxide planar laser-induced fluorescence model for computational fluid dynamics applications
The current work demonstrates the efficacy of a simple and fast model for nitric oxide (NO)
laser-induced fluorescence (LIF). The model is validated with experimental LIF spectra …
laser-induced fluorescence (LIF). The model is validated with experimental LIF spectra …
FLEET and PLIF velocimetry within a Mach 10 hypersonic air flow
NS Rodrigues, OK Tyrrell, E Rieken, BR Hollis… - AIAA SCITECH 2024 …, 2024 - arc.aiaa.org
Femtosecond laser electronic excitation tagging (FLEET) and planar laser-induced
fluorescence (PLIF) velocity measurements utilizing molecular tagging velocity (MTV) …
fluorescence (PLIF) velocity measurements utilizing molecular tagging velocity (MTV) …
Flow visualization for plume surface interaction at martian-relevant lander environments
NS Rodrigues, OK Tyrrell, C Eberhart… - … FORUM AND ASCEND …, 2024 - arc.aiaa.org
This paper describes a jet impingement experiment performed in a large-scale vacuum
chamber at Martian-relevant ambient pressure conditions, with the motivation of studying …
chamber at Martian-relevant ambient pressure conditions, with the motivation of studying …
Experimental Aerothermodynamics: Recent NASA Langley Capabilities and Contributions
ML Mason, SJ Rufer, BR Hollis, S Berry… - … FORUM AND ASCEND …, 2024 - arc.aiaa.org
A review is presented of recent research efforts that were conducted at the NASA Langley
Research Center in the Langley Aerothermodynamics Laboratory. An overview of the test …
Research Center in the Langley Aerothermodynamics Laboratory. An overview of the test …
Multiline molecular tagging velocimetry of nitric oxide at 100 kHz using an injection-seeded burst-mode OPO
An injection-seeded, burst-mode optical parametric oscillator (OPO) operating at a repetition
rate of 100 kHz is used to demonstrate the multiline molecular tagging velocimetry of an …
rate of 100 kHz is used to demonstrate the multiline molecular tagging velocimetry of an …
Flow Visualization for Plume-Surface Interaction Testing Within Large-Scale Vacuum Environments at Conditions Relevant to Lunar and Martian Landers
Interactions between rocket exhaust plumes and the landing surface during powered
spacecraft descent on the Moon and Mars pose significant risks to the landing vehicle …
spacecraft descent on the Moon and Mars pose significant risks to the landing vehicle …
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 …