Centre for Technological Risk Studies (CERTEC), Department of Chemical Engineering, Universitat Politècnica de Catalunya, Diagonal 647, 08028 Barcelona, Spain.
J Hazard Mater. 2009 Dec 15;172(1):54-60. doi: 10.1016/j.jhazmat.2009.06.136. Epub 2009 Jul 3.
The behaviour of vertical commercial propane jet fires (flame lengths of up to 8m) was studied experimentally. The temperatures along the jet fire centreline were measured using a set of thermocouples and the flame contour was determined from infra-red (IR) images. The results show that temperature increases from the bottom of the flame, reaches a maximum value and decreases again at the top zone. A second-degree polynomial expression describes fairly well the variation of temperature as a function of the position on the flame centreline. The temperature along the centreline was found to increase for Q values lower than 7MW and to decrease at higher values.
垂直商用丙烷射流火（火焰长度可达 8 米）的行为进行了实验研究。使用一组热电偶测量了射流火中心线的温度，并通过红外（IR）图像确定了火焰轮廓。结果表明，温度从火焰底部上升，在最大值处达到峰值，然后在顶部区域再次下降。二次多项式表达式很好地描述了温度随火焰中心线位置的变化。发现中心线的温度随着 Q 值低于 7MW 而增加，而在更高的值时则降低。
