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过程工程学报 ›› 2015, Vol. 15 ›› Issue (5): 831-836.DOI: 10.12034/j.issn.1009-606X.215118

• 过程与工艺 • 上一篇    下一篇

含不同粒度铝粉的铝/冰燃料的燃烧特性

李凡 朱宝忠 堵同宽 李浩 孙运兰   

  1. 安徽工业大学能源与环境学院 安徽工业大学冶金与资源学院 安徽工业大学能源与环境学院 安徽工业大学能源与环境学院 安徽工业大学能源与环境学院
  • 收稿日期:2015-01-20 修回日期:2015-07-20 出版日期:2015-10-20 发布日期:2015-10-20
  • 通讯作者: 朱宝忠

Combustion Characteristics of Aluminum/Ice Fuel with Different Particle Sizes of Aluminum Powder

LI Fan ZHU Bao-zhong DU Tong-kuan LI Hao SUN Yun-lan   

  1. School of Energy and Environment, Anhui University of Technology School of Metallurgy & Resource, Anhui University of Technology School of Energy and Environment, Anhui University of Technology School of Energy and Environment, Anhui University of Technology School of Energy and Environment, Anhui University of Technology
  • Received:2015-01-20 Revised:2015-07-20 Online:2015-10-20 Published:2015-10-20
  • Contact: ZHU Bao-zhong

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被引次数

5

摘要： 用微米铝粉逐级取代部分纳米铝粉制备铝/冰燃料，采用表面接触法和高速摄影技术研究了不同粒度铝粉改善铝/冰燃料燃烧特性的效果. 结果表明，随微米铝粉取代量增加，铝/冰燃料燃烧反应速率和剧烈程度均先提高后降低，微米铝粉取代量为30%(w)时，铝/冰燃料最高升温速率达6062.24℃/s，是纯纳米铝/冰燃料的3.8倍. 用微米铝粉取代部分纳米铝粉均不同程度提高铝/冰燃料的燃面传播速率，微米铝粉取代量约为20%(w)时燃烧性能最佳，燃面传播速率较纯纳米铝/冰燃料提高57.8%. 在分析实验结果的基础上，建立了铝/冰燃料的燃烧火焰模型.

关键词: 铝/冰燃料, 纳米铝粉, 微米铝粉, 燃烧, 模型

Abstract: The combustion characteristics of aluminum/ice fuel which was prepared by using micron-aluminum powder gradually replacing part of nano-aluminum powder were studied by surface contact method and high-speed photography technique. The results showed that the combustion reaction rate and violence of the reaction of aluminum/ice fuel first increased and then decreased with increasing of replaced amount of micro-aluminum. When the replaced amount of micron-aluminum powder reached about 30%, the maximum heating rate was up to 6062.24℃/s, being 3.8 times faster than the pure nano-aluminum/ice fuel. The burning surface propagation rate of aluminum/ice fuel was improved to different degrees when the micron-aluminum powder replaced the part of nano-aluminum powder. When the replaced amount of micron-aluminum powder reached approximate 20%, the combustion performance of aluminum/ice fuel was the best. Furthermore, the burning surface propagation rate was increased by 57.8% over that of pure nano-aluminum/ice fuel. On the basis of the above analysis, the combustion flame model of aluminum/ice fuel was established.

Key words: aluminum/ice fuel, nano-aluminum, micro-aluminum, combustion, model

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