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...

端柱面组合密封气膜稳态特性数值仿真分析

DOI: 10.13700/j.bh.1001-5965.2013.0322, PP. 439-443

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对航空发动机等高速流体机械中流体动密封部位的工况特点,提出一种新型的端柱面组合气膜密封形式.根据气膜密封的结构特点,建立了端柱面螺旋槽组合式密封气膜的数学分析模型.采用CFD分析软件Fluent对气膜三维流场模型以湍流流动形式进行数值模拟计算.研究了密封气膜几何结构参数变化对密封稳态特性(端面承载力Fd、柱面承载力Fc、泄漏量Q、摩擦转矩M)的影响.几何结构参数包括端面平均膜厚、端面槽深比、柱面平均膜厚、柱面偏心率、柱面槽深比、柱面槽宽比.

References

[1]  马纲, 沈心敏.先进气膜密封技木 研究进展与分祈[J].航空 制造技术, 2009(3):58-61 Ma Gang, Shen Xinmin.Development and analysis of advanced gas film sealing technology[J].Aeronautical Manufacturing Technology, 2009(3):58-61(in Chinese)
[2]  马纲, 沈心敏.先进气膜密封技木 研究进展与分祈[J].航空 制造技术, 2009(3):58-61 Ma Gang, Shen Xinmin.Development and analysis of advanced gas film sealing technology[J].Aeronautical Manufacturing Technology, 2009(3):58-61(in Chinese)
[3]  Pang P, Zhu K Q, Wang X L.On the non-linear stability of self-acting gas journal bearings[J].Tribology International, 2009, 42(1):71-76
[4]  Pang P, Zhu K Q, Wang X L.On the non-linear stability of self-acting gas journal bearings[J].Tribology International, 2009, 42(1):71-76
[5]  Lattime S B, Steinetz B M.Turbine engine clearance control systems:current practices and future directions[R].NASA/CP-2003-212458/VOL1, 2004
[6]  Lattime S B, Steinetz B M.Turbine engine clearance control systems:current practices and future directions[R].NASA/CP-2003-212458/VOL1, 2004
[7]  Netzel J P.High performance gas compressor seals[C]//International Conference on Fluid Sealing.New York:Elsevier, 1987:532-547
[8]  Netzel J P.High performance gas compressor seals[C]//International Conference on Fluid Sealing.New York:Elsevier, 1987:532-547
[9]  Munson J, Pecht G.Development of film riding face seals for a gas turbine engine[J].Tribology Transactions, 1992, 35(1): 65-70
[10]  Munson J, Pecht G.Development of film riding face seals for a gas turbine engine[J].Tribology Transactions, 1992, 35(1): 65-70
[11]  沈心敏, 刘雨川, 马纲.航空燃气轮机摩擦学[M].北京:北京航空航天大学出版社, 2008 Shen Xinmin, Liu Yuchuan, Ma Gang.Tribology for aero-gas turbine engine[M].Beijing:Beihang University Press, 2008(in Chinese)
[12]  沈心敏, 刘雨川, 马纲.航空燃气轮机摩擦学[M].北京:北京航空航天大学出版社, 2008 Shen Xinmin, Liu Yuchuan, Ma Gang.Tribology for aero-gas turbine engine[M].Beijing:Beihang University Press, 2008(in Chinese)
[13]  Hendricks R C.Straight cylindrical seal for high performance turbomachines[J].NASA Technical Paper, 1987
[14]  Hendricks R C.Straight cylindrical seal for high performance turbomachines[J].NASA Technical Paper, 1987
[15]  Ma G, Zhao W, Shen X M.Analysis of parameters and performance for spiral grooved cylindrical gas film seal[J].Procedia Engineering, 2011, 23:115-119
[16]  Ma G, Zhao W, Shen X M.Analysis of parameters and performance for spiral grooved cylindrical gas film seal[J].Procedia Engineering, 2011, 23:115-119
[17]  郝木明.机械密封技术及应用[M].北京:中国石化出版社, 2010:74-76 Hao Muming.Mechanical seal technology and its application[M].Beijing:China Petrochemical Press, 2010:74-76(in Chinese)
[18]  马纲, 赵伟, 沈心敏.螺旋槽气膜密封微间隙流场的三维数值模拟[J].润滑与密封, 2012, 37(3):7-11 Ma Gang, Zhao Wei, Shen Xinmin.Three dimensional numerical simulation of spiral groove gas film seal in micro-gap flow field[J].Lubricating Engineering, 2012, 37(3):7-11(in Chinese)
[19]  郝木明.机械密封技术及应用[M].北京:中国石化出版社, 2010:74-76 Hao Muming.Mechanical seal technology and its application[M].Beijing:China Petrochemical Press, 2010:74-76(in Chinese)
[20]  马纲, 赵伟, 沈心敏.螺旋槽气膜密封微间隙流场的三维数值模拟[J].润滑与密封, 2012, 37(3):7-11 Ma Gang, Zhao Wei, Shen Xinmin.Three dimensional numerical simulation of spiral groove gas film seal in micro-gap flow field[J].Lubricating Engineering, 2012, 37(3):7-11(in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133