排灌机械工程学报
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排灌机械工程学报  2012, Vol. 30 Issue (4): 469-472    DOI: 10.3969/j.issn.1674-8530.2012.04.018
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荷电电压、介质物性对静电雾化特征的影响
王军锋, 王泽, 霍元平, 毛文龙, 张娟娟

(江苏大学能源与动力工程学院, 江苏 镇江 212013)
Effects of liquid properties on electrostatic spray characteristics
 WANG  Jun-Feng, WANG  Ze, HUO  Yuan-Ping, MAO  Wen-Long, ZHANG  Juan-Juan
 全文: PDF (1806 KB)   HTML (1 KB)   输出: BibTeX | EndNote (RIS)      背景资料
摘要 在毛细管-环状感应电极下,对多种介质在高压静电场中的静电雾化特性进行了试验研究.利用微量注射泵(ATI Orion M361)控制每次试验雾化溶液的流量,用高压发生器及电压读数仪(Q3V型)准确控制所加的荷电电压,在不同电压下,研究了介质物性(电导率、黏度、表面张力)对液滴荷质比产生的影响,并深入分析了荷电电压、介质的物性参数对液滴荷质比的影响规律.结果表明:微流量情况下,在达到瑞利极限之前,不同液滴的荷质比在一定电压范围内随电压的升高而增大,并近似呈线性增长关系.介质的电导率是影响液滴荷质比的重要因素,电导率越大,荷质比随荷电电压增大得越快,但5%NaCl溶液与水的电导率相差近200倍,测得的荷质比却相差很小,说明当介质的电导率较小时,荷电电压对液滴荷质比起主导作用.介质的黏度对液滴的荷电能力有明显的抑制作用,而表面张力与液滴荷质比呈正比关系.
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王军锋
王泽
霍元平
毛文龙
张娟娟
关键词    静电雾化   感应荷电   荷质比   荷电电压   物性参数     
Abstract: Experimental investigation was performed for electrostatic spray of several spray liquids under capillaryannular electrode configuration. The effects of the material properties of the spray liquids and electrode voltage on electrostatic spraying were analyzed through the working parameters of chargemassratio(CMR). Experiments show that in the case of microflow rate ranges, there is almost a linear growth of the applied voltage and the CMR before Rayleigh limit within the right voltage range. Spray liquid electrical conductivity has a great influence on the chargemassratio,the higher the spray liquid electrical conductivity is, the faster the CMR of drops with the electrode voltage increases, and when it is lower, the applied voltage plays a leading role on the CMR. The CMR response is inversely proportional to spray liquid viscosity but proportional to spray liquid surface tension.
Key wordselectrostatic spraying;induction charging;chargemassratio;electrode voltage   material properties   
收稿日期: 2011-08-06; 出版日期: 2012-07-30
基金资助:

 国家自然科学基金资助项目(51006047);江苏省自然科学基金资助项目(BK2009705)

通讯作者: 王泽(1985—),女,山东淄博人,硕士研究生(wz123zb@126.com),主要从事荷电喷雾吸收研究.   
作者简介: 王军锋(1975—),男,山东威海人,教授(wangjunfeng@ujs.edu.cn),主要从事荷电喷雾两相流理论及应用研究.
引用本文:   
王军锋,王泽,霍元平等. 荷电电压、介质物性对静电雾化特征的影响[J]. 排灌机械工程学报, 2012, 30(4): 469-472.
WANG Jun-Feng,WANG Ze,HUO Yuan-Ping et al. Effects of liquid properties on electrostatic spray characteristics[J]. Journal of Drainage and Irrigation Machinery Engin, 2012, 30(4): 469-472.
 
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