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ONE-DIMENSIONAL DISCRETE COMBUSTION WAVES IN PERIODICAL AND RANDOM SYSTEMS

机译:周期和随机系统中的一维离散燃烧波

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The authors consider propagation of burn wave along a one-dimensional system of point heat sources connected by inert heat-conducting elements for periodical and disordered systems. Dependence of burn rate of such systems on burn temperature is determined. It is shown that under certain conditions a steady-state combustion mode in periodical systems becomes unstable and it is replaced by oscillatory modes, which consistently lose stability in the form of doubling period bifurcations. It is established that the burn rate of disordered system is many times less than the burn rate of a periodical system at identical average parameters. Results of modeling are compared with experimental data on combustion of thermite systems.
机译:作者考虑了燃烧波沿点热源的一维系统的传播,该点热源由惰性导热元件连接,用于周期性和无序系统。确定这种系统的燃烧速率对燃烧温度的依赖性。结果表明,在一定条件下,期刊系统中的稳态燃烧模式变得不稳定,并被振荡模式所取代,振荡模式始终以两倍周期的分叉形式失去稳定性。已经确定,在相同的平均参数下,无序系统的燃烧率比周期性系统的燃烧率小许多倍。将建模结果与有关铝热系统燃烧的实验数据进行比较。

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