可调喷管 meaning in Chinese
adjustable jet
adjustable nozzle
adjustable propelling nozzle
variable nozzle
Examples
- Using regulated nozzle can improve the ramjets " performance and missiles " maneuverability . the regulated nozzle has many moving parts in work
可调喷管在结构上存在活动部件和流道联接部件,流道型面在工作中存在变化。 - At present , many problems , such as what about of its flow field configuration , the distributed characteristic of its flow parameters , pressure load of its inside are waiting for resolving
目前,对可调喷管流动还存在许多需要了解的问题,比如:它的流场结构,它的流场分布特征,它的内部气动载荷特点等。 - The calculated results of cold nozzle flow are in agreement with some cold test one . through calculation , the parameter distributions of regulated nozzle flows were obtained . they state that the design of the regulated nozzle is reasonable , and its velocity loss at discharge section is less than 2 . 3 % comparison with no regulated nozzle
3 、计算结果与已有的试验结果对比相符,计算获得了可调喷管的流场参数分布,表明可调喷管的设计合理,与不可调喷管相比,流动的出口平均速度损失小于2 . 3 。 - 2 . using cfd software - fluent , many flow states were been simulated . these states are the influence of nozzle structure with the flow , the distributing characteristic of inside flow , the influence of cold gas flow and outside flow with the work of the nozzle , the change of inside pressure load when the nozzle regulates
2 、借助cfd软件fluent ,计算出可调喷管本身结构对流动的影响、可调喷管流场的参数分布、冷却气流对喷管流动的影响、外流对可调喷管内流的影响、喷管的冷流流场和喷管调节过程中内壁面的压强载荷变化。 - So , a detailed numerical simulation of flow field in regulated nozzle using two - stage throats need be conducted . the contents of this paper include : 1 . based on the structure specialty and flow field characteristic of this regulated nozzle , the mathematical models are selected as rng - turbulence model and navier - stokes equations
本文主要进行的工作有: 1 、根据可调喷管的结构特点和收-扩喷管的流动特点,建立喷管流动的物理模型和选择喷管流动的数学模型( rng -湍流模型+ navier - stokes方程) 。