1) flame propagation
火焰蔓延;火焰传播
2) flame spread
火焰蔓延
1.
In a bench scale tunnel,the flame spread length on a PVC conveyor belt was calculated with the above ignition criterion.
利用此温度判据,对输送带在实验巷道中火焰蔓延情况进行了数值模拟。
2.
Using little scale trunk and LPG to simulate the condition of indoor flammable gas leakage,an experimental study was performed on the fire and flame spread ignited by electric sparkle.
采用小尺度箱体及液化石油气模拟室内燃气泄漏的条件,通过电火花点火,实验研究了在燃气泄漏过程中的着火与火焰蔓延的现象与规律。
3.
A CFD model has been developed to predict the behavior of the flame spread over solid fuels in water mist environment.
采用气体和固体燃料作为对比试验,利用不稳定两维保守公式描述自持性火焰蔓延情况。
4) flame propagation
火焰传播
1.
The characteristics of flame propagationduring explosion venting from cylindrical vessel;
柱形容器开口泄爆过程中的火焰传播特性
2.
Investigation on Gas Thermodynamic Characteristics and Flame Propagation in Combustion Chamber Crevice by Means of Laser Interferometry and Schlieren Photograph;
利用激光干涉法和纹影摄影法进行燃烧室间隙内火焰传播与气体热力学性能的研究
3.
Firedamp flame propagation rules under obstacles are researched during the gas explosion process.
该文对存在障碍物的瓦斯爆炸过程中的火焰传播规律进行了研究,结果表明:障碍物对火焰的传播速度具有重要影响。
5) flame spread
火焰传播
1.
Recommendation on assessing flame spreading of materials using ISO 9705;
关于用ISO 9705评价材料的火焰传播(英文)
2.
With the increase of the forced convection flow, convection becomes the main mode of mass transfer, and the chemical reaction is controlled by the chemical kinetics, the flame spread is not sensitive to the change of pressure.
研究表明，在微重力环境中，当强制对流速度很小时，环境压力的增大会加强氧气的扩散，减弱辐射热损失对火焰的冷却效应，使火焰传播速度增大。
3.
The fire risk of the external wall thermal insulation systems is flame spread on the outside of the building.
外保温系统的火灾危险性是火焰传播,采取有效的防火构造措施,是提高外保温系统整体防火安全性的有效途径。
6) flame spreading
火焰传播
1.
A model was developed of flame spreading over thermally thin fuels in thispaper, in which gaseous and solid surface radiative heat losses are included and the soliddensity at burnout exists as a parameter.
数值计算结果表明，在微重力环境中，火焰传播速度随空气流动速度的变化出现峰值。
2.
In a reference frame attached to the flame front, the flame spreading rate becomes an eigenvalue for the flame spreading over a rod fuel.
当参考坐标系团结在火焰前锋上时，该火焰传播问题成为一准稳态问题，燃料以一固定速度供给火焰。
3.
The three--dimensional ullsteady processes of flame spreading in an enclosed chamber have been studied with numercial methods for the first time.
首次用数值模拟的方法研究了密闭腔体内火焰传播的三维非稳态过程，对于微重力大小分别为１０－４ｇ和１０－２ｇ时的计算结果进行了分析对比。
补充资料：火焰蔓延时间
分子式：
CAS号：
性质：在规定的试验条件下，火焰在燃烧材料上移动规定距离或规定面积所需要的时间。这是表征材料着火后表面火焰的传布能力，是研究燃烧行为的重要参数之一。火焰蔓延的机制，可参阅火焰蔓延速率。
CAS号：
性质：在规定的试验条件下，火焰在燃烧材料上移动规定距离或规定面积所需要的时间。这是表征材料着火后表面火焰的传布能力，是研究燃烧行为的重要参数之一。火焰蔓延的机制，可参阅火焰蔓延速率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条