At different time, particles with different sizes can hit different locations on the wall, which are mainly at the connective part of shell and nozzle and out the convergent section of nozzle.
在不同的时间下，不同尺寸的颗粒会撞击壁面不同的位置，但主要集中在壳体与喷管的相接部分和喷管的收敛段。
The free spray stream state of the efflux nozzle is divided into four sections -contract, dense, mixing and dispersion section.
喷嘴自由射流的流态分为收缩段、密实段、掺混段和分散段四部分。
Uniform distribution of cavitation at the nozzle exit section is obtained by increasing length-diameter ratio and leads to the improvement of atomization.
从燃油空穴雾化理论的角度出发，空穴强度的提高以及在出口截面上的均匀分布都有利于燃油的破碎雾化。
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