火焰速度系数 flame speed factor
火焰传播速度 [热] flame propagation velocity ; velocity of propagation of flame ; flame propagation speed
火焰的变化速度 transformation velocity of flame
火焰前锋的速度 flame front velocity
紊流火焰的传播速度 turbulent-flame velocity
火焰气体上升速度 rise velocity of flame gas
火焰蔓延速度 flame spread rate
火焰移动速度 rate of flame travel
层流火焰传播速度 laminar flame speed
大型密闭容器内可燃气体爆燃的火焰速度存在着一个加速过程，压力也不是均匀分布的。
The flame velocity of flammable gas deflagration in a large closed vessel has an accelerating process, and the pressure distribution is not homogeneous.
研究结果表明，壁面粗糙度对瓦斯爆炸过程的影响很大，相比光滑管道，粗糙管的火焰速度大幅度提高；
The research result shows that the wall roughness has great effects on flame transmission in gas explosion.
这颗“隼鸟号”探测器拖着壮观的火焰尾迹以极快的速度到达地面，结束了一段2003年开始、以近地小行星“系川”为目标的旅程。
The Hayabusa probe blazed a spectacular trail as it came in to hit the ground at a blistering speed, ending a journey to the near-Earth asteroid Itokawa that began in 2003.
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