A macroscopic donor-acceptor-based discrete element model for contact electrification of insulating granular materials

被引：3

作者：

Zhang, Yun ^{[1
]}

Ozel, Ali ^{[2
]}

Hartzell, Christine M. ^{[1
]}

机构：

[1] Univ Maryland, Dept Aerosp Engn, College Pk, MD 20742 USA

[2] Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Scotland

来源：

POWDER TECHNOLOGY | 2024年 / 431卷

关键词：

Electrostatics; Contact electrification; Discrete element method; ELECTROSTATIC CHARGE-DISTRIBUTION; PARTICLE-SIZE; IDENTICAL INSULATORS; WORK FUNCTION; POWDERS; TRIBOELECTRIFICATION; GENERATION; SEPARATION; PATTERNS;

D O I：

10.1016/j.powtec.2023.119029

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Accurate modeling of contact electrification (CE) in insulating materials are essential for predicting and controlling their behavior. Here we propose a mesoscopic model based on the donor-acceptor mechanism, incorporating findings on surface patch features of identical dielectric materials from CE experiments. This model enables us to reproduce the charge transfer process and develop a macroscopic model that statistically captures this process. We implemented the macroscopic model in the discrete element code

引用

页数：14

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