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...

灭火飞机投水动响应特性

, PP. 798-802

Full-Text   Cite this paper   Add to My Lib

Abstract:

大型灭火飞机投水飞行时,短时间内大吨位水量的投放会引起载机的动力响应问题.为此,采用小孔出流理论进行飞机投水量的数值模拟,以静气动弹性配平结果为初始条件,考虑飞机的刚体模态和弹性模态,用最小状态拟合技术进行非定常气动力建模,分析了飞机投水飞行时的响应特性;并以投水结束后的飞行状态为初始条件,以飞行操纵产生的舵偏角为输入,分析了飞机退场爬升时的响应特性.结果显示,灭火飞机投水时,飞行姿态和载荷会发生较小变化;退场爬升时,飞行姿态和载荷会发生显著变化.分析结果为大型灭火飞机的结构设计和飞行操纵提供了参考.

References

[1]  吴志刚,杨超,荆志伟,等.弹性飞机货物投放动响应分析[J].北京航空航天大学学报,2011,37(10):1211-1217 Wu Zhigang,Yang Chao,Jing Zhiwei,et al.Dynamic response analysis of airdrop for flexible aircrafts[J].Journal of Beijing University of Aeronautics and Astronautics,2011,37(10):1211-1217(in Chinese)
[2]  Karpel M.Design for active flutter suppression and gust alleviation using state-space aeroelastic modeling[J].Journal of Aircraft,1982,9(3):243-250
[3]  Hall S R.Consolidation and analysis of loading data in firefighting operations:analysis of existing data and definition of preliminary air tanker and lead aircraft spectra [R].DOT/FAA/AR-05/35,2005
[4]  ZONA Technologylnc.ZAERO User-s Manual,Version 8.2[M].Scottsdale,AZ:ZONA Technology Inc,2008
[5]  Karpel M.Design for active flutter suppression and gust alleviation using state-space aeroelastic modeling[J].Journal of Aircraft,1982,9(3):243-250
[6]  Hall S R.Consolidation and analysis of loading data in firefighting operations:analysis of existing data and definition of preliminary air tanker and lead aircraft spectra [R].DOT/FAA/AR-05/35,2005
[7]  毕忠镇.赴俄罗斯航空护林、扑火方法、工艺设备考察报告[J].森林防火,1997(4):38-39 Bi Zhongzhen.Inspection report of aviation forest,fire suppression methods,process equipment in Russian[J].Forest Fire Prevention,1997(4):38-39(in Chinese)
[8]  高亚奎,王宜芳,任宝平.投弹对飞机稳定性影响分析[J].飞行力学,2005,23(3):25-27 Gao Yakui,Wang Yifang,Ren Baoping.Analysis of launching missiles on aircraft stability[J].Flight Dynamics,2005,23(3):25-27(in Chinese)
[9]  Karpel M,Presente E.Structural dynamic loads in response to impulsive excitation[J]. Journal of Aircraft,1995,32(4):853-861
[10]  高亚奎,王宜芳,任宝平.投弹对飞机稳定性影响分析[J].飞行力学,2005,23(3):25-27 Gao Yakui,Wang Yifang,Ren Baoping.Analysis of launching missiles on aircraft stability[J].Flight Dynamics,2005,23(3):25-27(in Chinese)
[11]  Karpel M,Presente E.Structural dynamic loads in response to impulsive excitation[J]. Journal of Aircraft,1995,32(4):853-861
[12]  Zhang S J,Meganathan A,Jain K.Effects of store separation on the aeroelastic behavior of wings.AIAA 2008-6241,2008
[13]  吴志刚,杨超,荆志伟,等.弹性飞机货物投放动响应分析[J].北京航空航天大学学报,2011,37(10):1211-1217 Wu Zhigang,Yang Chao,Jing Zhiwei,et al.Dynamic response analysis of airdrop for flexible aircrafts[J].Journal of Beijing University of Aeronautics and Astronautics,2011,37(10):1211-1217(in Chinese)
[14]  ZONA Technologylnc.ZAERO User-s Manual,Version 8.2[M].Scottsdale,AZ:ZONA Technology Inc,2008
[15]  Zhang S J,Meganathan A,Jain K.Effects of store separation on the aeroelastic behavior of wings.AIAA 2008-6241,2008

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133