Flow over an espresso cup: inferring 3-D velocity and pressure fields from tomographic background oriented Schlieren via physics-informed neural networks
Tomographic background oriented Schlieren (Tomo-BOS) imaging measures density or
temperature fields in three dimensions using multiple camera BOS projections, and is …
temperature fields in three dimensions using multiple camera BOS projections, and is …
Instantaneous 3D flame imaging by background-oriented schlieren tomography
We apply background-oriented schlieren (BOS) imaging with computed tomography to
reconstruct the instantaneous refractive index field of a turbulent flame in 3D. In BOS …
reconstruct the instantaneous refractive index field of a turbulent flame in 3D. In BOS …
Fast and robust volumetric refractive index measurement by unified background-oriented schlieren tomography
SJ Grauer, AM Steinberg - Experiments in Fluids, 2020 - Springer
We propose a novel approach to background-oriented schlieren (BOS) tomography (BOST)
that unifies the deflection sensing and reconstruction algorithms. BOS is a 2D flow …
that unifies the deflection sensing and reconstruction algorithms. BOS is a 2D flow …
Super-resolution of time-resolved three-dimensional density fields of the B mode in an underexpanded screeching jet
The estimation of time-resolved three-dimensional (3D) density fields of an underexpanded
jet at the nozzle pressure ratio of 2.42, a so-called “spatiotemporal super-resolution” was …
jet at the nozzle pressure ratio of 2.42, a so-called “spatiotemporal super-resolution” was …
New transform to project axisymmetric deflection fields along arbitrary rays
Axisymmetric tomography is used to extract quantitative information from line-of-sight
measurements of gas flow and combustion fields. For instance, background-oriented …
measurements of gas flow and combustion fields. For instance, background-oriented …
Direct background-oriented schlieren tomography using radial basis functions
H Cai, Y Song, Y Ji, Z Li, A He - Optics Express, 2022 - opg.optica.org
Background-oriented schlieren tomography (BOST) is effective for flow field measurement;
however, different from general computed tomography (CT), the BOST utilizes the deflection …
however, different from general computed tomography (CT), the BOST utilizes the deflection …
[HTML][HTML] Formulation and demonstrations of three-dimensional background-oriented schlieren using a mirror for near-wall density measurements
M Akamine, S Teramoto, K Okamoto - Experiments in Fluids, 2023 - Springer
Three-dimensional background-oriented schlieren (3D-BOS) is an effective method for
reconstructing 3D density fields from optically measured data, but it has limitations in …
reconstructing 3D density fields from optically measured data, but it has limitations in …
A Quantitative Comparison of Background Oriented and Conventional Schlieren Visualization
View Video Presentation: https://doi. org/10.2514/6.2023-2439. vid We apply background
oriented schlieren (BOS) and conventional schlieren techniques to the same two flows--a …
oriented schlieren (BOS) and conventional schlieren techniques to the same two flows--a …
A direct comparison between conventional and plenoptic background oriented schlieren imaging
JN Klemkowsky, CJ Clifford, BF Bathel… - Measurement Science …, 2019 - iopscience.iop.org
The motivation of this work is to compare results from plenoptic and conventional
background oriented schlieren (BOS) systems through two experimental configurations …
background oriented schlieren (BOS) systems through two experimental configurations …
Development of tomographic background-oriented schlieren capability at NASA Langley research center
BF Bathel, J Weisberger, SB Jones - AIAA Aviation 2019 Forum, 2019 - arc.aiaa.org
B-oriented schlieren (BOS) provides an attractive alternative to conventional schlieren and
shadowgraph imaging techniques in certain circumstances as it is not subject to the same …
shadowgraph imaging techniques in certain circumstances as it is not subject to the same …