Based on the theory of boundary layer theory and vortex theory of fluid mechanics,a self-suction self-excited oscillation pulsed jet aerator is introduced.
根据流体力学中边界层理论和旋涡理论,自吸式自激振荡脉冲射流曝气器利用自激振荡腔室代替现有曝气器中的混合管,使吸入的空气和需氧水体在自激振荡腔室内获得充分的搅拌、混合和充氧,以脉冲流的方式通过特殊扩散管释放。
The self-excited oscillation pulsed jet nozzle which proposed makes the continuous jet transform into pulsed jet .
由作者发明和研制成功的自激振荡脉冲喷嘴所形成的脉冲射流 ,在相同条件下与常规的连续射流相比 ,射流的峰值压力 ,冲蚀体积和有效靶距均得到明显的提高 ,作者将多年来所进行的实验室实验 (振荡腔内流体压力的测定 ;非淹没射流条件下的实验分析 ;淹没条件下自激振荡脉冲射流的性能实验及其分析 ;在淹没和非淹没条件下自激振荡脉冲射流的冲蚀效果 ;碰撞壁碰撞区域的磨损对自激振荡脉冲射流的影响等 )及工业现场实验的主要结果进行了简要介
The improved fire fighting water giant consists of stabilizer,self-excited oscillation pulsed jet nozzle and connections.
改进后的水枪由整流器、自激振荡脉冲射流喷嘴和接头所组成。
Experimental research on dynamic characteristics of the self-excited oscillation pulsed water jet;
自激振荡脉冲射流动态特性的实验研究
The test results showed that the peak value of the self-excited oscillation pulsed water jet is larger by about 20% than that of continuous jet.
采用SD150测试系统,分析了自激振荡脉冲射流动态特性中各参数对其频率的影响程度,泵压和自激振荡腔长对射流频率影响的实验结果表明,脉冲射流幅值比连续射流提高了约20%;泵压升高,射流频率增加;腔长增大,射流频率降低,且存在一个使脉冲射流压力峰值达到最大的最佳腔长。
The improved fire fighting water giant consists of stabilizer, self-excited oscillation pulsed jet nozzle and transition connections etc.
改进后的水枪由整流器、自激振荡脉冲射流喷嘴和过渡接头等组成。
Researches of new type lightening vibration mechanism;
新型振荡减振机构的研究
The experimental study for the sound radiation by the vibrational nozzle;
振荡喷管发声的实验研究
Measurement for Gas Content in Transformer Oil by Using Mechanical Vibration Method;
用机械振荡法测定变压器油含气量
Studies on Electrochemical Oscillations for Cathodic Reduction of Several Oxysalts;
几种含氧酸盐阴极还原过程中的电化学振荡研究
Many exotic nonlinear behaviors in the continuous flow stirred tank reactor(CSTR) have been discovered,such as mixed-mode oscillations,periodic,quasi-periodic and chaos.
在CSTR反应装置中发现了许多复杂的非线性行为,如混合模式振荡、倍周期、准周期、混沌等;在化学波的研究上,BZ反应也展现了多姿多彩的斑图,如靶形波、螺旋波、多臂螺旋波等。
For the different calibre regenerative liquid propellant guns, there exist generally high frequency pressure oscillations with the wide frequency range and large amplitude.
在不同口径的再生式液体发射药火炮中,普遍存在着频带分布很宽的大振幅高频压力振荡,这些压力振荡对目前使用的压电式压力传感器具有潜在的破坏作用。