CHINESE JOURNAL OF ENERGETIC MATERIALS
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团聚硼颗粒表面粗糙度和粒径分布对富燃料推进剂药浆流变性能的影响
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庞维强(1977-),男,博士,主要从事复合固体推进剂研究。email: nwpu_pwq@163.com

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Fractal Dimension Calculation on Roughness and Size Distribution of Agglomerated Boron Particles and Its Relationship with Rheological Properties for Fuel-rich Propellant
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    摘要:

    计算了固体颗粒表面粗糙度和粒径分布分形维数,研究了团聚硼颗粒表面粗糙度和粒径分布与分形维数、富燃料推进剂流变性能的关系。结果表明,团聚硼颗粒的表面粗糙度越小,其分形维数越小; 团聚硼颗粒的粒径中值越大,细粒度的团聚硼颗粒含量越少,其分形维数越小,含硼富燃料推进剂的工艺性能越好。

    Abstract:

    An evaluation of fractal dimensions of both physical particle roughness and grain size distribution of agglomerated boron was determined. The relationship between the roughness and size distribution of boron agglomerate particles and the fractal dimension as well as rheological property of fuel-rich propellant were analyzed. The results show that the rougher the boron particles,the higher the corresponding fractal dimensions,and the higher the fragmentation fractal dimensions,the higher the relative percentage of fine boron particles in the size distribution. The fractal theory is applicable to quantify the irregularity of agglomerated boron particles surface and grain size distribution.

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庞维强,樊学忠.团聚硼颗粒表面粗糙度和粒径分布对富燃料推进剂药浆流变性能的影响[J].含能材料, 2011, 19(1):46-49. DOI:10.3969/j. issn.1006-9941.2011.01.011.
PANG Wei-qiang, FAN Xue-zhong. Fractal Dimension Calculation on Roughness and Size Distribution of Agglomerated Boron Particles and Its Relationship with Rheological Properties for Fuel-rich Propellant[J]. Chinese Journal of Energetic Materials, 2011, 19(1):46-49. DOI:10.3969/j. issn.1006-9941.2011.01.011.

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  • 收稿日期: 2010-03-10
  • 最后修改日期: 2010-04-24
  • 录用日期: 2010-04-26
  • 在线发布日期: 2012-02-22
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