研究预混火焰在圆管或平行通道中的传播，对许多工业燃烧装置或系统的安全操作和实际应用都具有重要的意义。
It is very important to study the propagation of premixed flame in a round tube or parallel channels for the safe operation and application of many industrial combustion facilities and systems.
采用纹影系统对超声速可燃气流中的火焰传播进行流场显示。
A schlieren system was used for flow visualization of the flame propagating in a supersonic, combustible flow.
在试验的基础上，研究了瓦斯爆炸过程中壁面粗糙度对火焰传播速度和超压的影响。
On the basis of experiment, the influence of wall roughness on fire transmission and overpressure in gas explosion was investigated.
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