三维喷管 meaning in English

three-dimensional nozzle

In this paper , a three - dimensional ( 3d ) program for the three - dimensional reactive flow fields of complicated geometric nozzle , which governed by the compressible full navier - stokes equations with realizable k - s turbulent model , has been upbuilt by using full implicit couple arithmetic and fvm ( finite volume method ) based on understanding and assimilation of a two - dimensional program group of cr ( chamber - radon ) . the new program fulfils the urgent need of numerical tools for simulating three - dimensional reactive flow - fields of hylte ( hypersonic low temperature ) and other latest nozzles , for which cr is out of action in simulation , and can be applied to simulate other chemical laser system , such as chemical oxygen iodine laser ( coil ) , overtone fluoride hydrogen , all - gas iodine laser , and so on . furthermore , some related topics about nozzles design and engineer ing also have been discussed
本文在二维cr ( chamber ? radon )程序研究的基础上，采用有限体积方法和完全隐式的耦合算法，通过求解带realizablek -两方程湍流模型的多组分、有反应的三维完全纳维埃?斯托克斯( n ? s )控制方程，建立了一套能够对复杂形状的三维喷管和光腔进行数值模拟的三维程序，解决了连续波df hf化学激光器增益发生器设计缺乏三维数值模拟工具的问题，并用该工具解决了cr程序无法实现的hylte等复杂三维喷管流场的理论模拟问题。