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交通运输工程学报
JOURNAL OF TRAFFIC AND TRANSPORTATION ENGINEERING
2007 Vol.7 No.1 P.34-36,42

数字化期刊

雾化液滴尺寸和速度分布函数的推导

曹建明 

摘 要:为了增强雾化液滴质量和热量的传递,有效预测与评价喷雾质量,应用最大熵原理和动量守恒定律推导出了新的雾化液滴尺寸和速度的概率密度分布函数,包括数目分布函数、数目微分分布函数、体积分布函数、体积微分分布函数与总体积公式.当不考虑速度分布时,推导的喷雾液滴尺寸分布与曹建明先前推导的尺寸分布具有完全相同的形式,其分布函数是Nukiyama-Tanasawa型雾化液滴尺寸分布函数的一种特定形式,推导结果具有普适意义.
关键词:动力工程;最大熵原理;动量守恒定律;液滴尺寸和速度联合分布函数
分类号:U473.1 文献标识码:A

文章编号:1671-1637(2007)01-0034-03

Derivation on droplet size and velocity distribution functions in atomization

Cao Jian-ming 

基金项目:国家自然科学基金项目(50676012)
作者简介:曹建明(1962-),男,山东昌邑人,长安大学教授,从事动力工程研究.Cao Jian-ming(1962-), male, professor, +86-29-82335961, jcao@chd.edu.cn.
作者单位:曹建明(长安大学,汽车学院,陕西,西安,710064) 

参考文献:

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[2]Cao Jian-ming,Bian Yao-zhang,Qi Dong-hui,et al.Comparative investigation of diesel and mixed liquefied petroleum gas/diesel injection engines[J].Journal of Automobile Engineering,2004,218(D5):557-565.
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[8]曹建明.Nukiyama-Tanasawa型雾化液滴尺寸分布函数的引申[J].中国公路学报,1999,12(增刊):106-111.Cao Jian-ming.An extension of the Nukiyama-Tanasawa droplet size distribution function in sprays[J].China Journal of Highway and Transport,1999,12(Sup):106-111.(in Chinese)
[9]Cao Jian-ming.On the theoretical prediction of fuel droplet size distribution in nonreactive diesel sprays[J].Journal of Fluids Engineering,2002,124(1):182-185.
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收稿日期:2006年9月26日

出版日期:2007年2月28日

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