离心力场下V型火焰稳定器火焰稳定性的研究

Characterization of flame stabilization for V-gutter in centrifugal force field

考察离心力场下V型火焰稳定器的火焰稳定性,通过弯曲管道模拟离心力场下的燃烧条件进行实验,利用数值模拟对冷态流场进行模拟作为辅助分析工具,并且和相同条件下直管内的燃烧特性进行比较.结果表明,由于弯曲管道和离心力场影响了火焰稳定器后的流场导致低速回流区产生畸变,回流量减小,离心力场下V型火焰稳定器火焰稳定性相比常重力场下较差.而贫油熄火极限随着离心力加速度系数G的增大而减小.

Experimental and numerical studies were conducted to understand the characteristics of flame stabilization in centrifugal force field.A curving pipe was used for simulating the combustion in centrifugal force field and a numerical simulation was used for validating the experiment.The difference of combustion performance between curving pipe and straight pipe was also investigated.The investigation observes that the weak extinction performance in centrifugal force field is worse because the recirculation zon...