Simulating results reveal that hydrodynamics of catalysts in riser reactor is very complex due to the effect of injection and catalysts backmix dramatically near the nozzle , reaction products unevenly distributie along the riser height , there exists apparently temperature gap between gas - phase and solid - phase near the nozzle and the temperture of two phase is nearly equal at middle - top part 模拟结果表明，由于原料油射流的影响，提升管反应器内催化剂颗粒的流动特征非常复杂，在喷嘴附近的催化剂颗粒存在明显的滑落返混；裂化产物浓度沿提升管存在非均匀分布；气粒两相间温差在喷嘴附近显著，在中上部气粒两相温度几乎相等。
In this dissertation , the pulse jet style , the influence on the shock wave , the flow in the tube and the cooling effect was deeply studied theoretically and experimentally . the influence of the pulse jet style on the forming of shock wave and the shock wave intensity was explored . the initial disconnection style in oscillating tube vented and the initial disconnection breakdown was proposed by different pulse jet style 本文对脉动射流的型式及其对激波、管内流动及冷效应的影响进行了较系统的理论和实验研究,主要包括:探讨了脉动射流的型式对形成管内激波形成及激波强度的影响,给出了不同脉动射流的型式下振荡管开口端初始间断的类型,对初始间断进行了分解,导出了包含进气、排气参数及工质物性参数的管内入射激波马赫数mj的表达式,给出了管内激波形成的三种原因及其所对应的脉动射流型式和具体的工作状态。
( 5 ) designed the synthetic jet actuators and the testing system . experimented it in quiescent air , and analyzed the actuator ' s influence factors , such as voltage magnitude and frequency . the results agreed with the conclusions that made from theory analysis and numerical simulation ( 5 )基于设计的合成射流激励器及测试系统，在静止大气环境进行了初步原理性实验，并对激励电源电压幅值和频率对合成射流的影响进行了分析，实验结果与理论分析及数值模拟结果相吻合。
The complex vortex system structure and shock wave system structure inside this rotor is obtained . wall flow patterns on the blade surface and hub surface are found out . the complex vortex system structure , such as horseshoe vortex , passage vortex , corner vortex and trailing vortex , and the interaction with shock wave system are researched . especially , the character of the tip clearance flow inside the rotor passage is revealed , and the interaction between shock wave and tip clearance flow near blade tip and the evolution of tip clearance flow are considered 给出了叶片表面及轮毂面上的壁面流型，分析并揭示了转子叶道内的马蹄涡、通道涡、角涡、尾涡等复杂涡系及其与激波的相互干涉；特别是，分析并揭示了转子叶道内顶隙射流的特点，得到了顶隙附近激波与泄漏流动的干涉形态及泄漏流动的发展，并着重给出了其与激波的干涉形态。
In the process of oil exploration and exploitation , a great deal of data can be collected . these data form 3d data sets , for instance , density sets , hole degree , and flow sets of high - pressure shoot in one block . at present , the usual adopting method is to draw isoclines of data sets , and ask the career men to analyze and explain them 在石油勘探、开发过程中，会采集到大量的数据，形成三维数据场，如某一区块的密度场、孔隙度场、高压射流的流场，目前使用这些数据时，通常采用的方法是画出数据场的等值线，然后由专业人员进行分析、解释。
And the technology can also control the vector of a primary jet , the ratio of momentum between the synthetic jet and the primary jet is a main influence factor , and the vectoring control of primary jet is also effected deeply by the position and the frequency of actuators 应用合成射流技术可以有效控制宏观低速流流动方向，其控制强度由宏国防科学技术大学研究生院学位论文观流动与合成射流的动量比决定，而合成射流激励器的工作频率以其布置位置对主流的控制效果影响很大。
