Instability and transition onset downstream of a laminar separation bubble at Mach 6

EK Benitez, MP Borg, A Scholten, P Paredes… - Journal of Fluid …, 2023 - cambridge.org
Instability measurements of an axisymmetric, laminar separation bubble were made over a
sharp cone-cylinder-flare with a flare angle under hypersonic quiet flow. Two distinct …

Measurements of an axisymmetric hypersonic shear-layer instability on a cone-cylinder-flare in quiet flow

EK Benitez, MP Borg, P Paredes, SP Schneider… - Physical Review …, 2023 - APS
Instabilities generated in Mach-6 quiet flow about an axisymmetric cone-cylinder-flare
geometry with a 5∘ half-angle sharp cone were studied in the Boeing/AFOSR Mach-6 Quiet …

Quantitative focused laser differential interferometry with hypersonic turbulent boundary layers

EK Benitez, MP Borg, J Luke Hill, MT Aultman… - Applied Optics, 2022 - opg.optica.org
The effect of turbulent wind-tunnel-wall<? TeX 2pc 0pt?> boundary layers on density change
measurements obtained with focused laser differential interferometry (FLDI) was studied …

Focused Laser Differential Interferometry: Recent Developments and Applications for Flow Measurements

EK Benitez, A Ceruzzi, M Gragston… - AIAA SCITECH 2025 …, 2025 - arc.aiaa.org
Focused laser differential interferometry (FLDI), first introduced in the 1970s, has developed
into a powerful tool for the analysis of turbulent dynamics and fluctuations in fluid flows …

Optical-axis spatial sensitivity of a simulated focused laser differential interferometer

EK Benitez, MP Borg, C Rhodes, JS Jewell - AIAA Journal, 2023 - arc.aiaa.org
A focused laser differential interferometer (FLDI) simulation was used to study the sensitivity
of the FLDI technique to a variety of factors. The model takes in a series of density fields and …

Effect of Angle of Attack on Separation Bubble Instability and Transition on a Cone-Slice-Ramp in Mach-6 Quiet Flow

AA Francis, JS Jewell - AIAA SCITECH 2024 Forum, 2024 - arc.aiaa.org
The Boeing/AFOSR Mach-6 Quiet Tunnel (BAM6QT) at Purdue University was used to
investigate the effect of angle of attack on three-dimensional compression-induced shock …

Separation and transition on a cone-cylinder-flare: Experimental campaigns

EK Benitez, MP Borg, S Esquieu, C Caillaud… - AIAA SciTech 2024 …, 2024 - arc.aiaa.org
Several experimental campaigns have been conducted across a number of Mach-6 facilities
on the hypersonic flow around a cone-cylinder-flare (CCF) geometry with a 5 ^∘ half-angle …

Measurements on a blunt cone-cylinder-flare at mach 6

EK Benitez, MP Borg, JL Hill, A Scholten… - AIAA SciTech 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1245. vid A blunt cone-cylinder-
flare model was tested at the AFRL Mach-6 Ludwieg Tube at 0-degree angle of attack …

High-Speed Schlieren Visualization in Mach-6 Quiet Tunnel

B Price, Z McDaniel, SA Miller, S Overpeck… - AIAA SCITECH 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-1672. vid The Boeing/AFOSR
Mach-6 Quiet Tunnel (BAM6QT) at Purdue has lacked optical access for schlieren …

Hypersonic transitional boundary-layer profile using a linear-array FLDI

EK Benitez, TJ Leger, MW Tufts, MP Borg… - AIAA Aviation 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-4253. vid Simultaneous density-
fluctuation measurements were made using a linear array focused laser differential …