Due to their specific kinematic behaviour, cylindrical roller thrust bearings are only suitable for low speed applications only.
由于其特定的运动行为，圆柱滚子推力轴承只适合低速应用。
The results present thrust, specific impulse and thrust efficiency of the thruster under various environmental pressures, as well as impulse density distribution on the exit plane.
计算结果给出了不同环境压强下推力器的推力、比冲、推进效率和出口平面冲量密度分布。
Under the same wall heat condition, with the increase of momentum correction coefficient, viscosity loss of the nozzle increases, but thrust and specific impulse decrease.
在同等壁面热条件下，随着动量调节系数的增加，喷管粘性损失增大，喷管的推力和比冲都将下降；
The result shows the important engine parameters such as thrust and specific impulse I sp change a lot during the fly process.
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 characteristics of hybrid engine such as specific impulse, adjustable thrust, safety and low cost were demonstrated.
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 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。
As the length of secondary combustion chamber increases, the thrust, specific impulse and combustion efficiency increase respectively.
随着补燃室长度的增大，发动机推力、比冲和燃烧效率均提高。
When the expansion ratio becomes larger, both thrust and specific impulse will increase.
适当增大扩张比能提高微喷管的性能。
When the expansion ratio becomes larger, both thrust and specific impulse will increase.
适当增大扩张比能提高微喷管的性能。
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