LEI Zheng1 ， LU Changbo2 ， AN Gaojun2 ， XIONG Chunhua2 ， XIE Lifeng1
(1. School of Chemical Engineering， Nanjing University of Science and Technology， Nanjing 210094，China; 2. Oil Research Institute of General Logistics Department of PLA， Beijing 102300， China)
Abstract： In order to measure the oil atomization performance of spray process， the indicators of atomizing nozzle particle size and methods of measuring particle size were analyzed. A nozzle atomization experimental system was designed based on laser particle size analyzer and particle generating device， and the working principles of the experimental system were described. The charateristic sizes of atomized diesel drops， such asdv10、dv50、dv90、d[3,2]、d[4,3]， were measured at different spray pressures. The results show that the atomization process of diesel is divided into formation phase， diffusion phase and stable phase. The greater the spray pressures are， the smaller the charateristic sizes of dv10、dv50、dv90、d[3,2]、d[4,3] of atomized diesel drops are， the better the atomization is. The trend of atomized diesel drops decreasing slows when the spray pressure increases.
Keywords: laser particle size analyzer; oil; size of atomized drop
中图分类号：TB302.1，X43 文献标志码：A
文章编号：1008-5548(2015)01-0011-05
DOI:10.13732/j.issn.1008-5548.2015.01.003
收稿日期：2014-05-16， 修回日期：2014-07-30，在线出版时间：2015-03-02。
基金项目：科技部国际科技合作重大专项，编号：2013DFR60080。
第一作者简介：雷正(1988—)，男，硕士研究生，研究方向为燃烧爆炸及其作用机理。 E-mail:njleizheng@163.com。
