To explain the generative mechanism of low pressure and mass flow self-excited oscillation pulsed jet, the nozzle optimized design range of structure and operation parameters was investigated.
为了揭示低压大流量下自激振荡脉冲射流清洗的脉冲发生机理，研究了这种工况下喷嘴结构和运行参数的优化设计范围。
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.
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 physical and mathematical model of airlift is given in this paper. The feasibility of the self excited oscillation pulsed jet as breaker of the airlift is researched.
研究了气举的数学和物理模型，探讨了自激振荡脉冲射流作为气举装置破碎器的可行性。
The physical model of airlift is given in this paper. The feasibility of the self-excited oscillation pulsed jet as breaker of the airlift is researched.
研究了气举的物理模型，探讨了自激振荡脉冲射流作为气举装置破碎器的可行性。
In this paper, the shear layer oscillation mechanism is analyzed producing and impacting which aiming at the flow circs of the jet flow simulation.
本文针对伺服阀前置级射流流场的流动情况，分析了产生和影响剪切层振荡的机理。
The interrelationship among the important parameters of the self-excited oscillation pulsed water jet is studied herein based on the related experiment;
通过实验研究了自激振荡脉冲射流重要参数相互之间的影响关系。
The method using the airlift assisted with the self oscillation pulsed jet for dredging in the Three Gorges Reservoir Region has been presented.
作者提出采用气举装置和自激振荡脉冲射流相结合的机电一体化成套疏浚和清淤装置来完成三峡库区疏浚和清淤。
The method using the airlift assisted with the self oscillation pulsed jet for dredging in the Three Gorges Reservoir Region has been presented.
提出了一种用气举和自激振荡脉冲射流相结合的方式开采潜水层滨海砂矿的新方法。
The effects of pump pressure and the length of the oscillation cavity on the jet oscillating frequency are studied using SD150 test system.
实验采用SD150测试系统主要研究了泵压和自激振荡腔长对射流频率的影响。
In the study of flow oscillation and discrete frequency noise of impinging jet, it is found that there is a critical pressure ratio for a given nozzle and a nozzle-to-plate distance.
为探索冲击射流离散频率噪声的产生机理，系统地研究了冲击射流离散频率噪声的特性。
In the study of flow oscillation and discrete frequency noise of impinging jet, it is found that there is a critical pressure ratio for a given nozzle and a nozzle-to-plate distance.
为探索冲击射流离散频率噪声的产生机理，系统地研究了冲击射流离散频率噪声的特性。
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