Transient heat and mass transfer at the ignition of vapor and gas mixture by a moving hot particle

被引：48

作者：

Kuznetsov, G. V. ^{[1
]}

Strizhak, P. A. ^{[1
]}

机构：

[1] Tomsk Polytech Univ, 30 Lenin Ave, Tomsk 634050, Russia

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2010年 / 53卷 / 5-6期

基金：

俄罗斯基础研究基金会;

关键词：

Heat and mass transfer; Liquid; Heated particle; Vapor and gas mixture; Crystallization; Evaporation; Diffusion; Convection; Ignition; LIQUID DROPLET; EVAPORATION; MODELS; COMBUSTION;

D O I：

10.1016/j.ijheatmasstransfer.2009.11.031

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The processes of heat and mass transfer at the ignition of air and typical combustible liquid vapors mixture by a moving single metal particle heated till high temperatures are numerically investigated The researches are carried out on the base of gas phase ignition model considering processes of heat conductivity, liquid evaporation, diffusion and convection of fuel vapors in oxidizing medium, ignition source crystallization, kinetic of evaporation and ignition processes, dependences of thermo physical properties Of Interacting Substances from temperature, air humidity. heating source movement in vapor and gas Mixture. The dependences of main characteristic of investigated process - ignition time delay from rate of particle motion. air humidity and temperature, distance between heating source and liquid surface, initial temperature and sizes of particle are determined. (C) 2009 Elsevier Ltd All rights reserved

引用

页码：923 / 930

页数：8

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