对环形射流作用下吸气流动的临界射流速度进行了全面研究。
A thorough research on the crucial velocity of sucking airflow affected by annular jet is conducted.
叶轮区轴向速度较大，径向速度北京化工大学博士学位论文很小，其速度分布与环形射流速度分布类似。
The velocity distribution near the impeller, with high axial velocity and low radial velocity, is the same as ring jet flow.
设计了一种第一级能够形成环形射流的W型聚能装药，第二级采用大锥角聚能装药的串联战斗部，并且通过试验研究了该种战斗部对靶板的毁伤效果。
W type liner that can form annular jet is adopted as the forward charge and the wide Angle shaped charge is adopted as the follow through one.
研究表明，当颗粒处于环形射流中时，颗粒的弥散速率高于气相的混合速率，小颗粒的弥散速率高于大颗粒的弥散速率，颗粒弥散受气流速比的影响较弱。
The results show that particles mix more rapidly than their gas carrier, smaller particles disperse more rapidly than larger ones, and a larger gas velocity ratio enhances particle dispersion.
风扇环形外腔产生的正压湍流射流在内腔负压汇流作用下形成锥形风幕流场，将处于流场范围内的气体及粉尘严密封闭起来，使安全生产得到保障。
The tapered windscreen flow field of the fan is composed of the outer ring turbulent jet and the inner sink, which tightly closes gas and dust to ensure the safety production.
该装置利用环形涡腔对射流进行控制，利用涡腔的左、右腔的压力差产生自激振荡。
The jet is controlled by a circular vortex chamber, and self exited oscillation occurs due to a pressure difference between the left and right parts of vortex chamber.
本文提出了环形双侧吸气新型高效液气射流泵。
A new type of high efficient liquid-gas jet pump with ring-shape noozle and two-side suction gas is presented.
对倾斜环形旋转射流中心线进行了理论与试验研究，得出了倾斜环形旋转射流中心线方程。
The annular swirling jet with large dip Angle is studied and its Central Line equation is derived from fluid mechanics theory and experimental analysis.
半自由状态下的短路流场是平行平面流、环形紊流射流及汇流叠加而成 。
The semi freedom short circuit is superposed by parallel plane flow, confluence and ringy turbulence jet.
结合射流泵的设计理论和离心泵的汽蚀理论，确定了引射装置的引射回路和环形均布喷嘴轴向斜引射的引射装置基本设计方案。
Base on the theory of suction performance of centrifugal pump and design of jetting pump, the design of jetting loop and jetting device are given.
双射流是由中心直射流和同轴的环形旋转射流形成的一种新型高效射流，用双射流能够克服门限压力与高破岩比能的制约而高效破岩。
Dual-jet is a new kind of high efficient jet, which is formed by combining round straight jet with circular conical swirling jet.
双射流是由中心直射流和同轴的环形旋转射流形成的一种新型高效射流，用双射流能够克服门限压力与高破岩比能的制约而高效破岩。
Dual-jet is a new kind of high efficient jet, which is formed by combining round straight jet with circular conical swirling jet.
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