Therefore, in order to improve the performance of hydraulic servo valve, it is important to study the mathematical model and distribution of jet flow field.
因此，为了改善由射流前置级驱动的伺服阀的性能，研究伺服阀前置级射流流场的数学模型及分布规律是至关重要的。
The measurement of velocity of the jet flow field is carried out with the TSI-IFA300 constant temperature anemometer.
利用TSI-IFA300热线风速仪系统对致动器喷口外的流场进行了测量。
The influence of conic Angle etc on jet flow field of conic nozzle is discussed, also, the ways to improve the property of jet flow and the shortcoming of the simple conic nozzle are pointed out.
探讨了锥角等对锥形喷嘴射流流场的影响，指出了改进锥形喷嘴射流特性的途径及简单锥形喷嘴的不足。
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