Effect of Modulations of Opposed Gas Flow Velocity on Flame Spread Rate over a Liquid Surface

V. V. Zamashchikov

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Effect of Modulations of Opposed Gas Flow Velocity on Flame Spread Rate over a Liquid Surface

机译：相对气流速度调制对液体表面火焰蔓延速率的影响

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摘要

The effect of modulations of the velocity of the gas flow incident on the flame on the average flame velocity over a shallow liquid is studied. It is shown that the average flame velocity depends on the modulation frequency. If the modulation frequency is higher than the flame oscillation eigenfrequency, then, upon the imposition of the modulation, the flame velocity first increases and then gradually returns to the initial value. At frequencies close to the flame oscillation eigenfrequency, the average flame velocity is constant but is higher than the initial value.

机译：研究了入射在火焰上的气流速度调制对浅层液体上平均火焰速度的影响。结果表明，平均火焰速度取决于调制频率。如果调制频率高于火焰振荡本征频率，则在施加调制时，火焰速度首先增加，然后逐渐返回初始值。在接近火焰振荡本征频率的频率下，平均火焰速度是恒定的，但高于初始值。

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《Combustion, Explosion, and Shock Waves》 |2009年第1期|共6页
作者
V. V. Zamashchikov;
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原文格式 PDF
正文语种 eng
中图分类爆炸物工业、火柴工业;
关键词
liquid combustion; shallow liquid; combustion in narrow channels;

机译：液体燃烧;浅层液体;窄通道燃烧;

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专利

1. Effect of Modulations of Opposed Gas Flow Velocity on Flame Spread Rate over a Liquid Surface [J] . V. V. Zamashchikov Combustion, Explosion, and Shock Waves . 2009,第1期

机译：相对气流速度调制对液体表面火焰蔓延速率的影响
2. Microgravity diffusion flame spread over a thick solid in step-changed low-velocity opposed flows [J] . Zhu Feng, Lu Zhanbin, Wang Shuangfeng, Combustion and Flame . 2019,第JULa期

机译：微重力扩散火焰以逐步改变的低速反向流动散布在厚实的固体上
3. Microgravity diffusion flame spread over a thick solid in step-changed low-velocity opposed flows [J] . Zhu Feng, Lu Zhanbin, Wang Shuangfeng, Combustion and Flame . 2019,第Jula期

机译：微匍匐漫射火焰在逐步改变的低速相对流动中展开厚固体
4. Flame Tower: A Novel Apparatus to Study Flame Spread at Low Concurrent or Opposed Flow Velocity [C] . Christopher Paolini, Subrata Bhattacharjee, Wynn Tran, US National Combustion Meeting . 2013

机译：火焰塔：一种研究火焰在低同时或相反的流速下蔓延的新颖的装置
5. Flame Spread Across Materials Commonly Used on Spacecraft at Varied Oxygen Levels and Opposed Flow Velocity in Simulated Microgravity [D] . Grassi, Alexander Francis. 2018

机译：火焰在常见的氧气水平上常用在航天器上常用的材料和模拟微级的相反流速
6. The 3-Omega Method for the Measurement of Fouling Thickness the Liquid Flow Rate and Surface Contact [O] . Casper Clausen, Tim Pedersen, Anders Bentien 2017

机译：3-Ω测量结垢厚度液体流速和表面接触的方法
7. Two different approaches for creating a prescribed opposed-flow velocity field for flame spread experiments [O] . Luca Carmignani, Greg Celniker, Kyle Bussett, 2015

机译：用于为火焰传播实验创建规定的相对流量速度场的两种不同的方法
8. Opposed-Flow Flame Spread Across Propanol Pools: Effect of Liquid Fuel Depth [R] . Kim, Inchul, Sirignano, William A. 1999

机译：相反的流动火焰蔓延到丙醇池：液体燃料深度的影响

Effect of Modulations of Opposed Gas Flow Velocity on Flame Spread Rate over a Liquid Surface

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