Journal of Electrostatics最新文献

Investigating the effect of installing an electrostatic system on the performance of an orchard automizer sprayer 研究安装静电系统对果园自动喷雾机性能的影响

IF 1.9 4区工程技术

Journal of Electrostatics Pub Date : 2025-06-20 DOI: 10.1016/j.elstat.2025.104122

Rasool Khodabakhshian Kargar , Hajar Sadat Seyyed Ali Bik Lavasani , Seyed Morteza Javadpour

{"title":"Investigating the effect of installing an electrostatic system on the performance of an orchard automizer sprayer","authors":"Rasool Khodabakhshian Kargar , Hajar Sadat Seyyed Ali Bik Lavasani , Seyed Morteza Javadpour","doi":"10.1016/j.elstat.2025.104122","DOIUrl":"10.1016/j.elstat.2025.104122","url":null,"abstract":"<div><div>Despite knowledge of the harmful effects of pesticides, the production and sale of pesticides and sprayers remain a growing industry worldwide, particularly in Asia. Given the current need to ensure food supply for the increasing global population and the necessity of pesticide use, the development of innovative systems presents a practical and rapid solution to reduce pesticide consumption. Therefore, the utilization of pesticide technologies, such as electrostatic sprayers, can not only enhance the performance of pesticide application but also reduce the adverse environmental impacts of pesticide use. Furthermore, since electrostatic systems are relatively simple and can be installed on various types of sprayers, they can be commercially utilized in agriculture within a short timeframe. In this study, an electrostatic system was designed and constructed to charge pesticide particles and improve the performance of orchard automizer sprayers. The performance of this system was assessed, and it successfully charged water droplets through the electrostatic induction method, achieving a maximum specific charge of 1.0 millicoulombs per kilogram at a flow rate of 1 L per minute and a distance of 10 centimeters from the sprayer nozzle, using a voltage of 20 kilovolts. Moreover, the performance of the electrostatic orchard automizer sprayer was evaluated under real orchard conditions, considering pesticide deposition on trees and the ground, as well as particle drift. The assessment involved image processing of water-sensitive paper to evaluate pesticide deposition. The electrostatic system significantly reduced particle drift to zero, and on average, 12 % of the water-sensitive paper surfaces, placed for simulating pesticide deposition on the back of leaves, became pesticide-laden.</div></div>","PeriodicalId":54842,"journal":{"name":"Journal of Electrostatics","volume":"136 ","pages":"Article 104122"},"PeriodicalIF":1.9,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144320837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Degrade VOCs from spray exhaust gas by grounding electrode atomized dielectric barrier discharge coupled with Fenton reagent 采用接地电极雾化介质阻挡放电耦合Fenton试剂降解喷雾废气中的挥发性有机化合物

IF 1.9 4区工程技术

Journal of Electrostatics Pub Date : 2025-06-19 DOI: 10.1016/j.elstat.2025.104121

Shengnan Du , Siying Cui , Miaofei Yu , Junfeng Mi

引用次数: 0

Inactivation effect and mechanism of Microcystis aeruginosa by in-liquid pulsed discharge plasma 液体脉冲放电等离子体对铜绿微囊藻的灭活作用及机制

IF 1.9 4区工程技术

Journal of Electrostatics Pub Date : 2025-06-18 DOI: 10.1016/j.elstat.2025.104116

Yin Li , Yanbin Xin , Weibo Xiang , Qianyu Yang , Bing Sun

{"title":"Inactivation effect and mechanism of Microcystis aeruginosa by in-liquid pulsed discharge plasma","authors":"Yin Li , Yanbin Xin , Weibo Xiang , Qianyu Yang , Bing Sun","doi":"10.1016/j.elstat.2025.104116","DOIUrl":"10.1016/j.elstat.2025.104116","url":null,"abstract":"<div><div>The harmful algal bloom outbreaks damage river and lake ecosystems and impact the environments of water bodies. <em>Microcystis aeruginosa</em> (<em>M. aeruginosa</em>) is the predominant algal species in cyanobacteria blooms, releasing toxins into the water column during its growth and decay. The rapid degradation of toxins and efficient inactivation of <em>M. aeruginosa</em> is a technical challenge. This study explores the use of in-liquid pulsed discharge plasma (LPDP) for the inactivation of <em>M. aeruginosa</em>. The investigation includes changes in the inactivation ratio, Chlorophyll-a (Chl-a) concentration, and the underlying inactivation mechanisms under various discharge conditions. This study achieved 100 % inactivation by plasma treatment for 20 min at a peak voltage of 30 kV and an electrode spacing of 7 mm, and the concentration of Chl-a was reduced from 1.08 mg/L to 0.14 mg/L (on the fourth day of re-culturing). The collaboration of ultraviolet light, strong electric fields, and reactive species (·O, H<sub>2</sub>O<sub>2</sub>, and O<sub>3</sub>) generated during the discharge process induces apoptosis, reduces enzyme activity, and facilitates the removal of microcystins to realize green and efficient algal removal.</div></div>","PeriodicalId":54842,"journal":{"name":"Journal of Electrostatics","volume":"136 ","pages":"Article 104116"},"PeriodicalIF":1.9,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144306642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Asymptotic potential of a rose-shaped disk 玫瑰形圆盘的渐近势

IF 1.9 4区工程技术

Journal of Electrostatics Pub Date : 2025-06-11 DOI: 10.1016/j.elstat.2025.104099

Alina E. Sagaydak , Zurab K. Silagadze

引用次数: 0

Study on droplet splitting in single-plate OEW chips 单片OEW芯片中液滴分裂的研究

IF 1.9 4区工程技术

Journal of Electrostatics Pub Date : 2025-06-06 DOI: 10.1016/j.elstat.2025.104111

Shang Gao , Junyan Tian , Jingchuan Yao, Hanyun Zheng, Enqing Liu, Jia Zhou

{"title":"Study on droplet splitting in single-plate OEW chips","authors":"Shang Gao , Junyan Tian , Jingchuan Yao, Hanyun Zheng, Enqing Liu, Jia Zhou","doi":"10.1016/j.elstat.2025.104111","DOIUrl":"10.1016/j.elstat.2025.104111","url":null,"abstract":"<div><div>Precise droplet manipulation is fundamental to digital microfluidics, yet traditional electrowetting techniques are constrained by fixed electrode geometries, limiting their adaptability. Optoelectrowetting (OEW) offers a reconfigurable solution through light-induced virtual electrodes, but achieving controlled droplet splitting remains a key challenge. Here, we present an AI-driven single-plate OEW platform that autonomously generates optical virtual electrodes, enabling unassisted droplet splitting in an oil environment across a volume range of 4–20 μL. We introduce a dimensionless parameter <span><math><mrow><mi>Γ</mi></mrow></math></span> to optimize droplet splitting performance of split droplets, revealing a linear relationship between <span><math><mrow><mi>Γ</mi></mrow></math></span> and the lateral displacement of the optical virtual electrode axis relative to the droplet axis. Additionally, our study demonstrates that increasing droplet volume necessitates a higher minimum splitting field strength, while greater medium viscosity further elevates this threshold. These findings establish a quantitative framework for optimizing OEW-based droplet manipulation, advancing its potential for scalable, high-precision microfluidic applications.</div></div>","PeriodicalId":54842,"journal":{"name":"Journal of Electrostatics","volume":"136 ","pages":"Article 104111"},"PeriodicalIF":1.9,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144229967","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effects of voltage, frequency, and pulse parameters on mercury oxidation efficiency in pulsed corona discharge 电压、频率和脉冲参数对脉冲电晕放电中汞氧化效率的影响

IF 1.9 4区工程技术

Journal of Electrostatics Pub Date : 2025-06-05 DOI: 10.1016/j.elstat.2025.104090

Junfeng Wang , Chen Ma , Jianbo Guo , Yang Chen , Jiting Ouyang

{"title":"Effects of voltage, frequency, and pulse parameters on mercury oxidation efficiency in pulsed corona discharge","authors":"Junfeng Wang , Chen Ma , Jianbo Guo , Yang Chen , Jiting Ouyang","doi":"10.1016/j.elstat.2025.104090","DOIUrl":"10.1016/j.elstat.2025.104090","url":null,"abstract":"<div><div>Plasma-based methods for Hg removal exhibit advantages such as low cost and environmental friendliness. A nanosecond-pulse-driven corona discharge single-cylinder system was established to study the effects of discharge parameters—voltage, frequency, pulse width, and rise time—on the oxidation efficiency of Hg. The oxidation efficiency of Hg was calculated by measuring the Hg<sup>0</sup> concentration using a cold vapor atomic absorption spectrometer (CVAAS), while the voltage and current of the corona discharge were measured via a high-voltage probe and a current coil to calculate the power density. The experimental results indicated that the oxidation rate of Hg<sup>0</sup> was positively correlated with the voltage, frequency, and pulse width of the power source in the tested ranges, but not with the rising edge. The most important parameter is the energy density in the discharge plasma, which increases with voltage, frequency, and pulse width, showing a logarithmic-exponential function between the oxidation rate and energy density. An Hg<sup>0</sup> removal rate of 90 % or more can be reached when the energy density is more than 9.81 J/L and a maximum rate of 97.84 % can be achieved under voltage of 15.1 kV, frequency of 200 Hz and pulse width of 200ns in the current work. The findings of this research are helpful in the design of a pulsed corona discharge system for the removal of Hg<sup>0</sup> pollutants.</div></div>","PeriodicalId":54842,"journal":{"name":"Journal of Electrostatics","volume":"136 ","pages":"Article 104090"},"PeriodicalIF":1.9,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144212064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Triboelectric series generated by simultaneous water dewetting of solids 摩擦电系列产生的同时水脱湿固体

IF 1.9 4区工程技术

Journal of Electrostatics Pub Date : 2025-06-03 DOI: 10.1016/j.elstat.2025.104095

Nikolaus Knorr

引用次数: 0

The impact of electric fields on the output of smart photovoltaic module 电场对智能光伏组件输出的影响

IF 1.9 4区工程技术

Journal of Electrostatics Pub Date : 2025-06-02 DOI: 10.1016/j.elstat.2025.104102

Juan Wang , Xingcai Li , Weiwei Hu , Fei Zhang

引用次数: 0

Optimization of parameters of auxiliary electrodes for electric field uniformity around spinneret needles in multi-needle electrospinning by using Taguchi method 用田口法优化多针静电纺丝中辅助电极参数对喷丝针周围电场均匀性的影响

IF 1.9 4区工程技术

Journal of Electrostatics Pub Date : 2025-05-30 DOI: 10.1016/j.elstat.2025.104100

Gum-Chol Jang, Dong-Chol Im, Yong-Ho Pak

引用次数: 0

A flexibility piezoelectric tactile sensor for three-dimensional force measurement 用于三维力测量的柔性压电触觉传感器

IF 1.9 4区工程技术

Journal of Electrostatics Pub Date : 2025-05-29 DOI: 10.1016/j.elstat.2025.104101

Xiang Li , Keyi Wang , Yanzhuo Wang , Yi Yuan

引用次数: 0