Diffusive-thermal instability of premixed tubular flames

Vadim N. Kurdyumov

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Diffusive-thermal instability of premixed tubular flames

机译：预混管状火焰的扩散热不稳定性

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摘要

A systematic study of the diffusive-thermal instability of premixed tubular flames is carried out. The problem becomes amenable to a complete analysis in the frame of the diffusive-thermal approximation when a simplified flow field and the flame-sheet combustion model are used. The dispersion relation determining the growth rate of instability is obtained in an analytical form which therefore analyzed numerically. Stability diagrams showing stable and unstable states, in particular those manifesting the cellular flames, are presented.

机译：对预混管状火焰的扩散热不稳定性进行了系统的研究。当使用简化的流场和火焰片燃烧模型时，该问题可以在扩散热近似的框架中进行全面分析。以分析形式获得确定不稳定性增长速率的色散关系，因此进行了数值分析。给出了显示稳定和不稳定状态的稳定性图，特别是那些表现出细胞火焰的状态。

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来源
《Combustion and Flame》 |2011年第9期|p.1718-1726|共9页
作者
Vadim N. Kurdyumov;
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作者单位

Department of Energy, C1EMAT, Avda. Complutense 22, 28040 Madrid, Spain;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
tubular premixed flames; combustion instabilities; flame-sheet model;

机译：管状预混火焰;燃烧不稳定性;火焰片模型;

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1. The effects of unburned-gas temperature on the characteristics of cellular premixed flames generated by hydrodynamic and diffusive-thermal instabilities in large space: fractal dimension of cellular-flame fronts [J] . Satoshi KADOWAKI, Taisuke WASHIO, Thwe Thwe Aung, Journal of Thermal Science and Technology . 2017,第1期

机译：未燃烧气体温度对大空间中流体动力和扩散热不稳定性产生的蜂窝状预混火焰特性的影响：蜂窝状火焰前沿的分形维数
2. INTRINSIC INSTABILITY OF THREE-DIMENSIONAL PREMIXED FLAMES UNDER LOW- AND HIGH-TEMPERATURE CONDITIONS: EFFECTS OF UNBURNED-GAS TEMPERATURE ON HYDRODYNAMIC AND DIFFUSIVE-THERMAL INSTABILITIES [J] . Kadowaki Satoshi, Yanagioka Takuto, Yamazaki Wataru, Combustion Science and Technology . 2015,第7a9期

机译：低温和高温条件下三维预混合火焰的内在不稳定性：未燃烧气体温度对水动力和扩散热不稳定性的影响
3. The diffusive-thermal instability of premixed flames with low unburned-gas temperature under the adiabatic and non-adiabatic conditions [J] . Thwe Thwe AUNG, Satoshi KADOWAKI Mechanical Engineering Journal . 2015,第5期

机译：绝热和非绝热条件下具有低未燃气体温度的预混火焰的扩散热不稳定性
4. The effects of radiative heat loss on the diffusive-thermal instability of high-temperature premixed flames [C] . Thwe Thwe Aung, Satoshi Kadowaki International Symposium on Turbulence, Heat and Mass Transfer . 2012

机译：辐射热损失对高温预混火焰扩散 - 热不稳定性的影响
5. Measurements and modeling of non-premixed tubular flames: Structure, extinction and instability. [D] . Hu, Shengteng. 2007

机译：非预混管状火焰的测量和建模：结构，消光和不稳定性。
6. Experimental Investigation of Lean Methane–AirLaminar Premixed Flames at Engine-Relevant Temperatures [O] . Chuanzhi Luo, Zongming Yu, *, 2021

机译：瘦甲烷空气的实验研究在发动机相关的温度下Laminar预混火焰
7. The effects of unburned-gas temperature on the characteristics of cellular premixed flames generated by hydrodynamic and diffusive-thermal instabilities in large space: fractal dimension of cellular-flame fronts [O] . Satoshi KADOWAKI, Taisuke WASHIO, Thwe Thwe Aung, 2017

机译：未燃气温度对大型空间中流体动力学和扩散热不合适产生的细胞预混火焰特性的影响：细胞火焰前沿的分形维数

Diffusive-thermal instability of premixed tubular flames

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