全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
含能材料  2014 

碳对无定形硼颗粒的点火燃烧特性影响

DOI: 10.3969/j.issn.1006-9941.2014.03.021

Keywords: 物理化学,无定形硼颗粒,,热重差示扫描量热(TG-DSC),激光点火,X射线衍射(XRD),燃烧特性

Full-Text   Cite this paper   Add to My Lib

Abstract:

碳是硼一次燃烧产物的主要成分,对硼的二次点火燃烧有重要的影响。采用热重差示量热扫描(TG-DSC)、X射线衍射(XRD)和激光点火试验系统研究了不同配比的碳对无定形硼颗粒点火燃烧特性的影响。试验采用的硼、碳混合样品碳含量分别为0%、10%、20%、50%和100%,结果表明,碳的添加降低了样品加热过程中的增重量。碳含量对加热过程的影响是复杂的。当样品的碳含量不大于10%,样品的氧化反应推迟,放热量增加。当样品的碳含量进一步升高,又会使样品的氧化反应提前,放热量减少。在氧气气氛下,随碳含量的增加,样品的燃烧峰值强度减弱,燃烧时间从2436ms增加到2909ms,但碳对样品的点火时间的延迟较小,最多不超过3ms。样品燃烧产物呈黑色块状固体,主要成分有氧化硼和单质碳等。对样品燃烧产物的分析表明,样品的点火燃烧反应并不充分。

References

[1]  Talley C P.Combustion of elemental boron[R].Texaco Experiment Inc.Richmond VA, 1960.
[2]  戴耀松.固体火箭—冲压发动机的研究进展[J].推进技术, 1987(5): 40-45.DAI Yao-song.Advances in solid rocket-ramjet engine[J].Journal of Propulsion Technology, 1987(5): 40-45.
[3]  毛成立, 李葆萱, 胡松启,等.热空气中硼粒子点火模型研究综述[J].推进技术, 2001,22(1): 6-9.MAO Cheng-li, LI Baoxuan, HU Song-qi, et al.Overview of models of boron particle ignition in hot air[J].Journal of Propulsion Technology, 2001,22(1): 6-9.
[4]  臧令千.硼用作推进剂燃料组分的研究[J].推进技术, 1990(4): 56-62.ZANG Ling-qian.A investigation on boron used as a component of solid propellant[J].Journal of Propulsion Technology, 1990(4): 56-62.
[5]  Foelsche R O, Spalding M J, Burton R L, et al.High pressure ignition of boron in reduced oxygen atmospheres[J].Decomposition, Combustion, and Detonation Chemistry of Energetic Materials, 1996,418: 187-194.
[6]  Foelsche, R O, R L Burton, H Krier.Boron particle ignition and combustion at 30-150 ATM[J].Combustion and Flame, 1999,117(1-2): 32-58.
[7]  周华.含硼推进剂一次燃烧产物点火燃烧特性研究[D].浙江: 浙江大学, 2013.ZHOU Hua.The study of ignition and combustion of the primary combustion products of the boron-based fuel-rich propellant[D].Zhejiang University, 2013.
[8]  Yeh, C L , Kuo K K.Ignition and combustion of boron particles[J].Progress in Energy and Combustion Science, 1996,22(6): 511-541.
[9]  Obuchi K, Tanabe M, Kuwahara T.Ignition characteristics of boron particles in the secondary combustor of ducted rockets-effects of magnalium particle addition[C]∥46th AIAA Aerospace Sciences Meeting and Exhibit, 2008: 1-8.
[10]  席剑飞, 刘建忠, 胡友瑞, 等.双溶剂法硼包覆工艺及其工艺参数研究[J].推进技术, 2013,34(7): 984-990.XI Jian-fei, LIU Jian-zhong, HU You-rui, et al.A study for coating boron particles with two-solvent method and its process parameters[J].Journal of Propulsion Technology, 2013,34(7) : 984-990.
[11]  高东磊.含硼富燃料推进剂一次燃烧性能研究[D].长沙: 国防科技大学, 2009.GAO Dong-lei.Study on primary combustion characteristics of boron-based fuel-rich propellant[D].National University of Defense Technology, 2009
[12]  Mohan G, Williams F A.Ignition and combustion of boron in O2-inert atmospheres[J].Aiaa Journal, 1972,10 (6) : 776-783.
[13]  Droval G, Glouannec P, Salagnac P, et al.Electrothermal behavior of conductive polymer composite heating elements filled with ceramic particles[J].Journal of Thermophysics and Heat Transfer, 2008,22(4): 545-554.
[14]  敖文, 杨卫娟, 汪洋, 等.不同气氛下硼粉燃烧特性及动力学研究[J].中国电机工程学报, 2012,32(29): 59-65.AO Wen, YANG Wei-juan, WANG Yang, et al.Study on combustion characteristics and kinetics of boron in different atmosphere[J].Proceedings of the CSEE, 2012,32(29): 59-65.
[15]  岑可法, 姚强, 洛仲泱, 等.燃烧理论与污染控制[M].北京: 机械工业出版社, 2004.
[16]  陈镜泓, 李传儒.热分析及其应用[M].北京: 科学出版社, 1985.
[17]  Li S C, Williams F A, Takahashi F.An investigation of combustion of boron suspensions[C]∥Symposium (International) on Combustion, 1989: 1951-1960.
[18]  范红杰, 王宁飞, 樊学忠, 等.含硼富燃料推进剂点火特性[J].推进技术, 2008,29(1) : 102-104.FAN Hong-jie, WANG Ning-fei, FAN Xue-zhong, et al.Ignition characteristics of boron-based fuel-rich propellants[J].Journal of Propulsion Technology, 2008,29(1) : 102-104.
[19]  敖文, 杨卫娟, 韩志江, 等.硼颗粒点火燃烧模型研究进展[J].固体火箭技术, 2012,35(3): 361-366,371.AO Wen, YANG Wei-juan, HAN Zhi-jiang, et al.Research on boron particles ignition and combustion model[J].Journal of Solid Rocket Technology, 2012,35(3): 361-366,371.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133