Flame stabilization at moderate flow swirling

被引：0
|
作者：
Matvienko, O., V [1 ,2 ]
Litvinova, A. E. [1 ,3 ]
机构：
[1] Tomsk State Univ, 36 Lenin Ave, Tomsk 634050, Russia
[2] Tomsk State Univ Architecture & Bldg, 2 Solyanaya Sq, Tomsk 634003, Russia
[3] VE Zuev Inst Atmospher Opt SB RAS, 1 Academician Zuev Sq, Tomsk 634055, Russia
来源：
26TH INTERNATIONAL SYMPOSIUM ON ATMOSPHERIC AND OCEAN OPTICS, ATMOSPHERIC PHYSICS | 2020年 / 11560卷
关键词：
combustion; swirling flows; flame stabilization; turbulence; mathematical modeling;
D O I：
10.1117/12.2574394
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
Investigation of the flame stabilization in a swirling flow has been carried out. In non-swirling flow, combustion is carried out in induction mode. Weak swirling of the flow leads to the curvature of the flame and displacement of the combustion zone to the inlet section. The curvature of the flame front in the flow with moderate swirling, exceeds the maximum allowable value, which ensures combustion stabilization, and the flame is extinguished. The intensive swirling leads to formation a recirculation zone in the flow. In this case, hot combustion products in the recirculation zone ignite the combustible mixture entering the channel.
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页数：5
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