Calculation of Coal Ignition Times Using Experimental Kinetic Parameters Obtained Under Adiabatic Conditions
Calculation of ignition times is fraught with the difficulty that they arc strongly dependent on degree of super-criticality. Based on the thermal equilibrium equation of coal and oxygen reaction, a mathematical model of the ignition time of coal was put forward with activation energy E and equation Boddington. The temperature-time curves and the different rule that coal react with oxygen in lower or higher temperature was obtained though adiabatic testing in UQ adiabatic oven with three topical samples. The ignition time of samples was calculated by the mathematical model with activation energy, it was very close with the practicability ignition time. So, this model can he used to risk assessment for hazard management planning with corrections, because the ignition time is influenced by many factors in mine site. The reward for the ignition times is a much more soundly based prediction of safety or otherwise.
adiabatic test ignition time activation energy coal
JIANG Deyi LI Lin BEAMISH B B
Chongqing University,Key Laboratory for the Exploitation of Southwestern Resources & the Environment School of Engineering,the University of Queensland,St Lucia,QLD 4072,Australia
国际会议
The 2008 International Symposium on Safety Science and Technology(2008年安全科学技术国际会议)
北京
英文
1405-1408
2008-09-24（万方平台首次上网日期，不代表论文的发表时间）