Multifunctional, three-dimensional tomography for analysis of eletrectrohydrodynamic jetting

被引：3
作者：
Xuan Hung Nguyen [1 ]
Gim, Yeonghyeon [1 ]
Ko, Han Seo [2 ]
机构：
[1] Sungkyunkwan Univ, Grad Sch Mech Engn, Suwon 440746, Gyeonggi Do, South Korea
[2] Sungkyunkwan Univ, Sch Mech Engn, Suwon 440746, Gyeonggi Do, South Korea
来源：
OPTICS AND LASERS IN ENGINEERING | 2015年 / 68卷
基金：
新加坡国家研究基金会;
关键词：
Tomography; Electrohydrodynamic jetting; Shadowgraphic image; Circulating flow; Cone jet; STABLE JET FORMATION; RECONSTRUCTION; LIQUIDS; DROPS; VISUALIZATION; MECHANISM;
D O I：
10.1016/j.optlaseng.2015.01.006
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A three-dimensional optical tomography technique was developed to reconstruct three-dimensional objects using a set of two-dimensional shadowgraphic images and normal gray images. From three highspeed cameras, which were positioned at an offset angle of 45 between each other, number, size, and location of electrohydrodynamic jets with respect to the nozzle position were analyzed using shadowgraphic tomography employing multiplicative algebraic reconstruction technique (MART). Additionally, a flow field inside a cone-shaped liquid (Taylor cone) induced under an electric field was observed using a simultaneous multiplicative algebraic reconstruction technique (SMART), a tomographic method for reconstructing light intensities of particles, combined with three-dimensional cross-correlation. Various velocity fields of circulating flows inside the cone-shaped liquid caused by various physico-chemical properties of liquid were also investigated. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：235 / 243
页数：9
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