A full-automatic measuring and control system for a supersonic jet exhaust flow field is provided.

提出一套用于对超音速尾喷流流场进行全自动测试与控制的系统。

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In a reversal of current design trends the MIT concept increases the bypass ratio by minimizing expansion of the overall diameter of the engine and shrinking the diameter of the jet exhaust instead.

与现行设计趋势相反，麻省的概念通过最小化发动机总体直径的尺度以及相应缩小喷气排放直径来增加涵道比。

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This paper presents a no-contact temperature measurement for a small rocket engine jet exhaust, for a shock wave on nose cone of a model in a jet exhaust and for a model surface of various materials.

本文叙述了用光学法测量小发动机燃气流火焰温度、燃气流中模型前端的激波温度及不同材料的模型表面温度。

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According to the International Air Transport Association (IATA) jet engines today are 40 percent more fuel-efficient than those designed in the 1960s, with pollutants such as soot and sulphur now almost completely eliminated from jet exhaust.

CNN: Green wing:?can technology make flying more environmentally friendly?