试台 meaning in English

testing bench

Focusing on the performance evaluating and the design of tripropellant injector , adopting the cold test rig with background pressure supply , malvem particle analyzer , ccd photography system , tripropellant hot test - bed , numerical simulation software and auxiliary theoretical a nalysis , the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector , large numbers of important conclusions are gained
本文围绕三组元喷嘴的性能评定及设计方法。采用反压冷试台、马尔文测粒仪、 ccd高速摄影系统、三组元发动机热态试验台、数值仿真程序及辅助理论分析等多种技术手段和研究方法，对三种结构的同轴式三组元喷嘴深入进行了喷嘴流量特性和雾化特性、推力室燃烧性能和转工况性能研究，得到了大量重要结果。