High-speed PLIF imaging of hypersonic transition over discrete cylindrical roughness

P Danehy, C Ivey, J Inman, B Bathel, S Jones… - 48th AIAA Aerospace …, 2010 - arc.aiaa.org
Transitional flow over cylindrical protuberances attached to a flat plate has been studied in a
hypersonic wind tunnel. The tests were performed in the 31-Inch Mach 10 Air Tunnel at …

Fluorescence visualization of hypersonic flow past triangular and rectangular boundary-layer trips

PM Danehy, AP Garcia, SE Borg… - 45th AIAA Aerospace …, 2007 - ntrs.nasa.gov
Planar laser-induced fluorescence (PLIF) flow visualization has been used to investigate the
hypersonic flow of air over surface protrusions that are sized to force laminar-to-turbulent …

NO PLIF study of hypersonic transition over a discrete hemispherical roughness element

P Danehy, B Bathel, C Ivey, J Inman… - 47th AIAA aerospace …, 2009 - arc.aiaa.org
Nitric oxide (NO) planar laser-induced fluorescence (PLIF) has been use to investigate the
hypersonic flow over a flat plate with and without a 2-mm (0.08-in) radius hemispherical trip …

PLIF visualization of active control of hypersonic boundary layers using blowing

B Bathel, P Danehy, J Inman, D Alderfer… - 26th AIAA Aerodynamic …, 2008 - arc.aiaa.org
Planar laser-induced fluorescence (PLIF) imaging was used to visualize the boundary layer
flow on a 1/3-scale Hyper-X forebody model. The boundary layer was perturbed by blowing …

Planar laser-induced fluorescence (PLIF) investigation of hypersonic flowfields in a Mach 10 wind tunnel

P Danehy, JA Wilkes, DW Alderfer, SB Jones… - 25th AIAA Aerodynamic …, 2006 - arc.aiaa.org
Planar laser-induced fluorescence (PLIF) of nitric oxide (NO) was used to visualize four
different hypersonic flowfields in the NASA Langley Research Center 31-Inch Mach 10 Air …

Hypersonic laminar boundary layer velocimetry with discrete roughness on a flat plate

B Bathel, P Danehy, J Inman, A Watkins… - 40th Fluid Dynamics …, 2010 - arc.aiaa.org
This material is declared a work of the US Government and is not subject to copyright
protection in the United States. spatial depth of 0.5-mm. Temperature sensitive paint (TSP) …

MHz-rate nitric oxide planar laser-induced fluorescence imaging in a Mach 10 hypersonic wind tunnel

N Jiang, M Webster, WR Lempert, JD Miller… - Applied Optics, 2011 - opg.optica.org
Nitric oxide planar laser-induced fluorescence (NO PLIF) imaging at repetition rates as high
as 1MHz is demonstrated in the NASA Langley 31 in. Mach 10 hypersonic wind tunnel …

Fluorescence imaging and streakline visualization of hypersonic flow over rapid prototype wind-tunnel models

PM Danehy, DW Alderfer, JA Inman… - Proceedings of the …, 2008 - journals.sagepub.com
The use of planar laser-induced fluorescence (PLIF) of nitric oxide (NO) was inves-tigated
for use in visualizing wake flowfields downstream of rapid prototyping models in a …

PLIF imaging of mean temperature and pressure in a supersonic bluff wake

ER Lachney, NT Clemens - Experiments in Fluids, 1998 - Springer
Planar laser-induced fluorescence (PLIF) of seeded nitric oxide was used to obtain mean 2-
D temperature and pressure fields in the near-wake region of a thick flat plate in a Mach 3 …

Nitric-Oxide Ionization Induced Flow Tagging and Imaging for Near-Surface Velocimetry in Hypersonic Boundary Layers

BS Leonov, AN Moran, J White, A Dogariu… - … FORUM AND ASCEND …, 2024 - arc.aiaa.org
In this paper, the authors describe an experimental demonstration of Nitric-oxide ionization
induced Flow Tagging and Imaging (NiiFTI) in near-surface velocimetry applications. The …