Background-oriented schlieren (BOS) techniques

M Raffel - Experiments in Fluids, 2015 - Springer
This article gives an overview of the background-oriented schlieren (BOS) technique, typical
applications and literature in the field. BOS is an optical density visualization technique …

A direct approach for instantaneous 3D density field reconstruction from background-oriented schlieren (BOS) measurements

F Nicolas, V Todoroff, A Plyer, G Le Besnerais… - Experiments in …, 2016 - Springer
We present a new numerical method for reconstruction of instantaneous density volume
from 3D background-oriented schlieren (3DBOS) measurements, with a validation on a …

Measurement of density in axisymmetric jets using a novel background-oriented schlieren (BOS) technique

DJ Tan, D Edgington-Mitchell, D Honnery - Experiments in Fluids, 2015 - Springer
A novel application of the adaptive Fourier–Hankel (AFH) Abel algorithm to reconstruct the
radial density distribution of axisymmetric jets is presented. The fluid is imaged using the …

Tomographic background oriented schlieren using plenoptic cameras

JK Davis, CJ Clifford, DL Kelly… - … Science and Technology, 2021 - iopscience.iop.org
The development of a tomographic background oriented schlieren implementation system
utilizing up to four plenoptic cameras is presented. A systematic set of experiments was …

Multi-camera calibration for 3DBOS

Y Le Sant, V Todoroff, A Bernard-Brunel… - … on applications of laser …, 2014 - hal.science
Backgroung Oriented Schlieren (BOS) is a Schlieren-like method that can be used as a 3D
quantitative method for measuring density in 3D flows. This can be done providing that there …

Preparations for tomographic background-oriented schlieren measurements in the 11-by 11-foot transonic wind tunnel

JM Weisberger, BF Bathel, SB Jones… - AIAA Aviation 2020 …, 2020 - arc.aiaa.org
Efforts from a collaboration involving NASA's Langley, Glenn, and Ames Research Centers
to construct and test a tomographic background-oriented schlieren system in preparation for …

[PDF][PDF] Study of a co-flowing hot jet: an application of direct 3DBOS technique in research wind tunnel

D Donjat, F Nicolas, A Plyer, F Micheli… - … Pacific Symposium on …, 2015 - researchgate.net
Onera has been working for several years on the measurement of three-dimensional and
instantaneous flow fields in order to improve the characterization of various types of complex …

Implementation of multidirectional moiré computerized tomography: multidirectional affine calibration

Y Song, J Wang, Y Jin, Z Guo, Y Ji, A He, Z Li - JOSA A, 2016 - opg.optica.org
To realize three-dimensional (3D) instantaneous diagnoses for flow fields, many
multidirectional optical computerized tomographic (optical CT) techniques based on laser …

Preparations for tomographic background-oriented Schlieren at the 31-Inch Mach 10Wind Tunnel

BF Bathel, JM Weisberger, WH Ripley… - AIAA AVIATION 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3475. vid This paper details efforts
by researchers at NASA Langley Research Center to prepare for an upcoming high-speed …

Tomographic plenoptic background oriented schlieren imaging

JK Davis - 2020 - search.proquest.com
Within the last decade, tomographic background oriented schlieren has become an
advanced flow diagnostic used to reconstruct three-dimensional density and/or refractive …