Meniscus height as a function of dimensionless variables for drop-on-demand applications

被引:0
作者
Hyun, Choi Kyung [1 ]
Mehdi, Syed Murtuza [1 ]
机构
[1] Jeju Natl Univ, Dept Mechatron Engn, Cheju, South Korea
关键词
Meniscus height; Drop-on-demand; Dimensionless; Electro hydrodynamics; ATOMIZATION;
D O I
10.3938/jkps.62.1247
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
This paper reports experimental correlations for the dimensionless meniscus height (h/D) as a function of the dimensionless variables that govern the physics of meniscus generation for drop-on-demand applications. Two liquids were considered in this study: namely, ethylene glycol and ethanol. These liquids were selected because of their wide applicability in drop-on-demand applications. The dimensionless governing variables were found by performing a dimensional analysis of the system under consideration. The dimensionless meniscus height (h/D) was found to depend on two dimensionless numbers: the S number (S = sigma/rho D (2) g) and the P number (P = p (abs) /rho Dg). The behaviors of h/D for both the liquids were found to increase with increasing variables of interest and are discussed in terms of correlations.
引用
收藏
页码:1247 / 1251
页数:5
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