| 1. | Investigation on low - speed vector control of adjacent synthetic jet actuators 相邻合成射流激励器低速射流矢量控制研究 |
| 2. | In general , the synthetic jet is generated through the vibration of the membrane of the actuator driven by piezoelectric materials 合成射流主要是通过压电材料驱动驱动器的振动薄膜而产生的。 |
| 3. | The characters of the synthetic jet itself and the interaction between the two jets are the main reasons of vectoring control 其应用原理主要是由于合成射流本身所具有的特点以及其与受控流的相互祸合作用。 |
| 4. | ( 3 ) the adjacent synthetic flow field was numerical simulated and mechanism studied in different cases ( phase , amplitude and frequency ) ( 3 )对不同相位差、不同振幅、不同频率的两相邻激励器相互作用形成的合成射流流场进行数值分析并对其机理进行研究。 |
| 5. | Synthetic jet control becomes one of the highest potential methods for flow control , because its actuator has a simple structure and easily to be controlled and less power consume 合成射流控制由于其驱动器结构简单,便于控制,功率消耗低成为了流场控制中最具发展潜力的方法之一。 |
| 6. | The main work embodied as follows . ( 1 ) model a biowhig / suction type boundary for synthetic jet actuator , it considers the actuator cavity , exit nozzle and exterior flow field as a single computational region ( 2 )本文的主要工作之一是基于建立的激励器简化模型对合成射流流场进行二维、三维数值分析以探讨合成射流流动机理。 |
| 7. | In this paper , the flow mechanism and the applications of the synthetic jet are studied in theory , numerical simulation and experiment , and this paper prepares for synthetic jet technology used in thrust vector 本文采用理论分析、数值模拟与试验相结合的方法对合成射流流动机理及应用技术进行原理性研究,为合成射流技术应用于推力方向控制奠定基础。 |
| 8. | As the key part of synthetic jet technology , the synthetic jet actuator can work without fluid feeding and has momentum flux but no mass flux . since it only needs electricity when works , it can be controlled easily 合成射流激励器作为该技术的关键工作部件,具有无需流体输送,净质量流量为零,动量不为零的特点,而且合成射流激励器工作时只需要电能,易于实现电参数控制。 |
| 9. | Second , numerical simulation and qualitative analysis has been done for the synthetic jet flow field in different cases ( different phase , amplitude and frequency ) , and gained many conclusions which are helpful for designing the synthetic jet actuator 二、对不同驱动频率,振动膜速度幅值以及激励器的结构对合成射流的影响分别进行数值计算和定性分析,得到了大量有助于合成射流激励器设计的结论。 |
| 10. | ( 4 ) the potential applications of the synthetic jet technology are studied . it shows that the synthetic jet actuators can significantly enhance fuel / oxygen mixing and heat transfer , and the synthetic jet actuators " working condition determines the controlling efficiency ( 4 )主要工作之二是探讨了合成射流技术的潜在应用,应用合成射流控制技术,可以大大提高低速燃气氧气的掺混程度以及加强换热,合成射流的控制效果与激励器的工作情况密切相关。 |