[1]齐文亮,明平剑,张文平,等.湍流扰动对液滴破碎的影响及模拟方法研究[J].哈尔滨工程大学学报,2018,39(04):709-715.[doi:10.11990/jheu.201611044]
 QI Wenliang,MING Pingjian,ZHANG Wenping,et al.A simulation method and the effect of turbulence perturbation on droplet breakup[J].hebgcdxxb,2018,39(04):709-715.[doi:10.11990/jheu.201611044]
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湍流扰动对液滴破碎的影响及模拟方法研究(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
39
期数:
2018年04期
页码:
709-715
栏目:
出版日期:
2018-04-05

文章信息/Info

Title:
A simulation method and the effect of turbulence perturbation on droplet breakup
作者:
齐文亮 明平剑 张文平 彭晔
哈尔滨工程大学 动力与能源工程学院, 黑龙江 哈尔滨 150001
Author(s):
QI Wenliang MING Pingjian ZHANG Wenping PENG Ye
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China
关键词:
液滴破碎模型初次破碎二次破碎喷雾贯穿距湍流扰动射流内部喷嘴雾化
分类号:
TK411
DOI:
10.11990/jheu.201611044
文献标志码:
A
摘要:
为考虑射流内部湍流扰动对雾化的影响,本文将喷嘴内部湍流扰动量用湍流长度和时间尺度来表示,并以权重的形式加入初次破碎模型中。对比分析了单液滴表面不稳定波和湍流扰动对液滴破碎的影响。计算结果表明:湍流扰动随液滴运动时间的增加对破碎的影响逐渐减小,不稳定波的影响比重逐渐增大;喷嘴内流速越大,湍流扰动量越强,影响的时间越久。对本文提出的破碎模型进行了验证,计算结果表明:湍流扰动会导致液滴的索特尔平均直径(SMD)减小4%左右;随入射压力升高,湍流扰动对贯穿距的影响逐渐增大;虽然二次破碎发生在距离喷嘴较远处,但初始湍流值的大小,还是能影响到二次破碎后液滴大小和速度。

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备注/Memo

备注/Memo:
收稿日期:2016-11-13。
基金项目:国家自然科学基金项目(51479038);中央高校基本科研业务费专项资金项目(HEUCFP201711).
作者简介:齐文亮(1988-),男,博士研究生;明平剑(1980-),男,教授,博士生导师.
通讯作者:明平剑,E-mail:pingjianming@hrbeu.edu.cn
更新日期/Last Update: 2018-04-11