| 1. | 2 . the laminar / turbulence models were used to simulate the single microjet flow field
分别采用层流、湍流模型对单微射流流场进行了数值模拟。 |
| 2. | By submerging the buzzer into the water , the working condition of the microjet was satisfied
通过将蜂鸣器潜入水中，则可满足微射流作动器的工作条件。 |
| 3. | The core of the technique is the microjet produced by a micro - actuator driven through electrical signal
该技术的核心是微射流，它是在电信号驱动的微作动器作用下产生的射流。 |
| 4. | The " low pressure closed recircular flow region " was analyzed to explain the characteristics of the synthetic flow field
“低压回流区”的细观分析诠释了微射流的作用机制。 |
| 5. | 5 . the modification of the aerodynamic force performance on a 2d cylinder by use of microjet was numerically simulated
5 .数值模拟再现了微射流改变绕流圆柱气动性能的情形。 |
| 6. | What ? more , some basic knowledge on vortex was also introduced because its important role in the flow field of microjet
而微射流场又和旋涡密不可分，所以文中也介绍了和旋涡相关的基本知识。 |
| 7. | The result shows the periodic characteristics of microjet flow field including vortex pair evolution , immigration and dissipation process
模拟结果显示了微射流的产生、形成、发展与耗散过程以及微射流的卷吸特征等。 |
| 8. | By comparing the flow fields of microjet under different working parameters , the law of jet strength changing with driving frequency was obtained
通过对作动器不同工作参数下流场的对比分析，得到了驱动频率对微射流形态的影响。 |
| 9. | So this dissertation studies the microjet flow field and the synthetic flow field of the microjet and the mean flow by numerical simulation
本文对微射流及其与主射流的合成流场进行数值模拟和机理分析，为微射流技术的工程应用研究打下基础。 |
| 10. | The synthetic flow field of two adjacent microjet actuators and its evolvement with time , as well as different working frequencies and relative phase angles were numerically simulated
分析了双微射流作动器在不同频率、相位下协调工作时所形成的合成流场的特征。 |
