Optical Diagnostics of Vortex Ring-Flame Interaction

被引：2

作者：

Arbuzov, V. A. ^{[1
,2
]}

Arbuzov, E. V. ^{[2
,3
]}

Dvornikov, N. A. ^{[1
]}

Dubnishchev, Yu. N. ^{[1
,2
]}

Nechaev, V. G. ^{[2
]}

Shlapakova, E. O. ^{[2
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Kutateladze Inst Thermophys, Pr Lavrenteva 1, Novosibirsk 630090, Russia

[2] Novosibirsk State Tech Univ, Pr Karla Marksa 20, Novosibirsk 630073, Russia

[3] Russian Acad Sci, Siberian Branch, Sobolev Inst Math, Pr Akad Koptyuga 4, Novosibirsk 630090, Russia

来源：

OPTOELECTRONICS INSTRUMENTATION AND DATA PROCESSING | 2016年 / 52卷 / 02期

基金：

俄罗斯基础研究基金会;

关键词：

vortex ring; flame; Hilbert visualization of vortex structures;

D O I：

10.3103/S8756699016020084

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The interaction of a cold vortex ring with flame in an axisymmetric configuration has been investigated using methods of Hilbert optics, shearing interferometry, and numerical simulation. The impact of a cold vortex ring formed by a pressure pulse from the annular area surrounding the source on the flame has been numerically simulated. The modes of breakup of the flame structure, blow-off, and quenching under various conditions of vortex ring formation were identified. It is shown that in the case of both complete and partial quenching, most of the flame is blown off. However, in the case of incomplete quenching of the flame, in its lower part there is a small combustion zone, which then grows back to the previous size.

引用

页码：161 / 166

页数：6

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