ON NONLINEAR INSTABILITIES OF CELLULAR PREMIXED FLAMES

被引：19

作者：

DENET, B

机构：

[1] Laboratoire de Recherche en Combustion, Universite de Provence, Centre de Saint Jerome (S 252), 13397

来源：

COMBUSTION SCIENCE AND TECHNOLOGY | 1993年 / 92卷 / 1-3期

关键词：

DARRIEUS-LANDAU INSTABILITY; MICHELSON SIVASHINSKY EQUATION; CELLULAR PATTERNS; ECKHAUS INSTABILITY; OSCILLATORY INSTABILITY;

D O I：

10.1080/00102209308907665

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A study of finite amplitude instabilities occurring in cellular premixed flames is undertaken, both in the case of 2D and 3D flames. We use two different models: the complete equations of isobaric flames with one global exothermic reaction and a modified Michelson-Sivashinsky equation (including gravity effects). Different instabilities are found that can be explained in terms of Eckhaus type instabilities of cellular patterns. An oscillatory instability also exists, which produces self turbulizing flames.

引用

页码：123 / 144

页数：22

共 25 条

[21] NON-LINEAR ANALYSIS OF HYDRODYNAMIC INSTABILITY IN LAMINAR FLAMES .1. DERIVATION OF BASIC EQUATIONS [J].