烧蚀冷却对发动机比冲的影响。
Effect of ablative cooling on specific impulse of rocket engine.
设计高性能喷注器、提高发动机比冲性能是发动机设计者一直追求的目标。
To design a high performance injector and to improve engine impulse performance are the permanent goals of engine designers.
阐明了固液发动机比冲、可多次启动关机、推力可调、安全性好和成本低等特点。
The characteristics of hybrid engine such as specific impulse, adjustable thrust, safety and low cost were demonstrated.
计算表明空气液化发动机的推力、比冲等重要的总体参数在飞行过程中会有较大的变化。
The result shows the important engine parameters such as thrust and specific impulse I sp change a lot during the fly process.
从污染空气对真空比冲相对偏差的影响分析，污染空气对发动机性能的影响很小。
Through analyzing the effect of polluted air on relative deviation of vacuum specific impulse, the results show that polluted air has small effect on motor performance.
分析表明液态水直接排出发动机将导致约2%的比冲损失。
The analysis showed that there was about 2% specific impulse loss if liquid water was drilled out of engine directly.
本文通过优化发动机其内部结构，减小了热损失，提高了比冲。
The internal structure has been optimized to reduce the heat loss and increase the specific impulse.
在高超声速推进系统中，涡轮冲压组合发动机由于有着宽广的飞行范围，良好的比冲性能，受到世界各国的普遍重视。
As a hypersonic propulsion system, turbo-ramjet received recognition because of the widely flight envelope and excellent performance such as Isp.
在固体燃料冲压发动机性能分析基础上，推导了某发动机的推力和比冲与入口流量和温度之间的关系式。
The relations of thrust and specific impulse to inlet air flow and temperature are derived from theoretical analysis of solid fuel ramjet (SFRJ) performance.
在固体燃料冲压发动机性能分析基础上，推导了某发动机的推力和比冲与入口流量和温度之间的关系式。
The relations of thrust and specific impulse to inlet air flow and temperature are derived from theoretical analysis of solid fuel ramjet (SFRJ) performance.
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