硼颗粒点火燃烧特性研究进展

硼的质量热值和体积热值极高,作为金属燃料使用具有显著的能量优势。如何充分释放硼氧化的高热量成为其应用推广的关键问题。基于半个世纪以来国内外的相关研究成果,论述了硼颗粒点火燃烧的主要过程与机理,分析了硼点火燃烧特性的影响因素与促进方法,评述了硼点火燃烧模型和数值计算的研究进展。对目前研究中存在的问题与不足进行了归纳总结,并对未来研究的重点及改进方向进行展望。

Review on ignition and combustion characteristics of boron particles

Boron( B) has high gravimetric and volumetric calorific values,which brings significant energy advantage for its use as a metal fuel.The exhaustive releasing of the high density energy in B particles becomes the key issue during its application and promotion.On the basis of the related research results,the main process and mechanism of B ignition and combustion were intro-duced.The influence factors and promotion methods on the ignition and combustion characteristics of B particles were analyzed as well.In addition,the research progress on B ignition and combustion models were discussed with relevant numerical calculations.Af-ter summarizing the existing problems and shortcomings in the reported results,the perspectives in further works were also proposed.