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Title: Four-dimensional (4D) tracking of high-temperature microparticles

Abstract

High-speed tracking of hot and molten microparticles in motion provides rich information about burning plasmas in magnetic fusion. An exploding-wire apparatus is used to produce moving high-temperature metallic microparticles and to develop four-dimensional (4D) or time-resolved 3D particle tracking techniques. The pinhole camera model and algorithms developed for computer vision are used for scene calibration and 4D reconstructions. 3D positions and velocities are then derived for different microparticles. As a result, velocity resolution approaches 0.1 m/s by using the local constant velocity approximation.

Authors:
ORCiD logo [1];  [1];  [1];  [2];  [2];  [2]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Univ. of Colorado, Boulder, CO (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Fusion Energy Sciences (FES) (SC-24)
OSTI Identifier:
1342862
Report Number(s):
LA-UR-16-23769
Journal ID: ISSN 0034-6748; RSINAK; TRN: US1701793
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 87; Journal Issue: 11; Conference: 21st Topical Conference on High Temperature Plasma Diagnostics, Madison, WI (United States), 5 Jun 2016; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; magnetic fusion energy

Citation Formats

Wang, Zhehui, Liu, Qiuguang, Waganaar, Bill, Fontanese, John, James, David, and Munsat, Tobin. Four-dimensional (4D) tracking of high-temperature microparticles. United States: N. p., 2016. Web. doi:10.1063/1.4955280.
Wang, Zhehui, Liu, Qiuguang, Waganaar, Bill, Fontanese, John, James, David, & Munsat, Tobin. Four-dimensional (4D) tracking of high-temperature microparticles. United States. doi:10.1063/1.4955280.
Wang, Zhehui, Liu, Qiuguang, Waganaar, Bill, Fontanese, John, James, David, and Munsat, Tobin. Fri . "Four-dimensional (4D) tracking of high-temperature microparticles". United States. doi:10.1063/1.4955280. https://www.osti.gov/servlets/purl/1342862.
@article{osti_1342862,
title = {Four-dimensional (4D) tracking of high-temperature microparticles},
author = {Wang, Zhehui and Liu, Qiuguang and Waganaar, Bill and Fontanese, John and James, David and Munsat, Tobin},
abstractNote = {High-speed tracking of hot and molten microparticles in motion provides rich information about burning plasmas in magnetic fusion. An exploding-wire apparatus is used to produce moving high-temperature metallic microparticles and to develop four-dimensional (4D) or time-resolved 3D particle tracking techniques. The pinhole camera model and algorithms developed for computer vision are used for scene calibration and 4D reconstructions. 3D positions and velocities are then derived for different microparticles. As a result, velocity resolution approaches 0.1 m/s by using the local constant velocity approximation.},
doi = {10.1063/1.4955280},
journal = {Review of Scientific Instruments},
number = 11,
volume = 87,
place = {United States},
year = {Fri Jul 08 00:00:00 EDT 2016},
month = {Fri Jul 08 00:00:00 EDT 2016}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

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