The research result shows that the wall roughness has great effects on flame transmission in gas explosion.
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；
When the tube is biforked, the additional turbulent flow will be produced, which will improve the flame transmission speed in gas explosion.
管道分叉时，产生附加湍流，使瓦斯爆炸过程中火焰的传播速度迅速提高。
On the basis of experimental study of the gas explosion flame transmission rule, the influence of branch tube on the flame in gas explosion was studied.
笔者在研究分叉管路中瓦斯爆炸火焰波传播特征的基础上，分析了管路分叉对瓦斯爆炸过程中火焰传播规律的重要影响。
On the basis of the experimental research, the significant influence of the wall roughness on the flame transmission law of the gas explosion was analyzed.
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。
The results showed that the existence of the obstacles would highly increase the gas flame transmission velocity, the max explosion pressure and the pressure rising rate.
结果表明：障碍物的存在极大的提高了瓦斯的火焰传播速度、最大爆炸压力及压力上升速率；
On the basis of the experimental research, the influence of electromagnetism field on flame transmission and explosion wave overpressure in gas explosion was investigated.
在实验的基础上，研究了电磁场对瓦斯爆炸过程中火焰传播和爆炸波的影响。
Intelligent flame detection device using image transmission optical fibre and computerized image treatment technology, is a recently developed new type flame detection device.
采用传像光纤和计算机数字图像处理技术的智能型火焰检测装置，是近年来推出的一种新型火焰检测装置。
Microstructure of diamond films deposited by combustion flame (CFD) in the air was analyzed by transmission electron microscopy (TEM).
用透射电镜(TEM)对大气中火焰法沉积(CFD)金刚石薄膜的组织结构进行了分析研究。
Microstructure of diamond films deposited by combustion flame (CFD) in the air was analyzed by transmission electron microscopy (TEM).
用透射电镜(TEM)对大气中火焰法沉积(CFD)金刚石薄膜的组织结构进行了分析研究。
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