variable geometry jet engine 变几何形状喷气发运机
A high power efficient Eh6G dye laser pumped by a copper vapor laser was developed with longitudinally pumped geometry and jet stream on the basis of this theory.
根据这个理论，设计了一台用铜蒸气激光泵浦的、具有纵向泵浦结构和喷流的高功率高效率若丹明6 G染料激光器。
First, free wake analysis was carried out to calculate the rotor wake geometry and the downwash around the engine jet space.
首先应用自由尾流分析技术来计算旋翼尾迹和发动机绕排流空间的洗流速度。
Results show that the effects of incoming Mach number and the nozzle geometry are pronounced, while the jet-momentum ratio has little affects on the gains defined here.
结果表明，马赫数和喷口布局对增益特性均有显著影响，但本文定义的增益因子却基本与动量比无关。
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