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通过针阀喷管喷射的射流雾化的实验研究
EXPERIMENTAL STUDY FOR ATOMIZATION OF A JET SPRAY THROUGH A SPRAYER WITH A PIN VALVE
【摘要】 本文得到了一些实验结果。从这些实验结果,得到喷射的射流雾化的物理原因可能是在喷管压力室内的压力能的聚集,它导致雾的猝发。至少这是一个主要的原因。此外,笔者提出了若干新的概念和考虑了针阀和压力室形状对射流雾化的影响。并证明了雾的分布符合Rayleigh分布。
【Abstract】 In this paper,we obtain some experimental results. From these results, we obtain that the physical reasons for atomization of a jet spray may be the concentration of pressure energy in the pressure chamber of spray tube, which introduce the fog to burst. It is a principal reason at the least. In addition, we suggest some new concepts and consider the effect of the shape of pin valve and pressure chamber on the atomization of a jet. And we prove that the distribution of fog is conformed Rayleigh distribution.
【关键词】 雾化的物理原因;
针阀;
Bemoulli方程;
Rayleigh分布;
雾化时间;
雾化能;
猝发;
Weber数;
【Key words】 physical reason for atomization; pin valve; Bernoulli’s equation; Rayleigh distribution; time of atomization; energy of atomization; burst; Weber number.;
【Key words】 physical reason for atomization; pin valve; Bernoulli’s equation; Rayleigh distribution; time of atomization; energy of atomization; burst; Weber number.;
【基金】 上海市高等学校科学技术发展基金
- 【文献出处】 上海力学 , 编辑部邮箱 ,1999年03期
- 【分类号】O358
- 【被引频次】1
- 【下载频次】66