国家自然科学基金(10902007)

作品数:5被引量:22H指数:2
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相关作者:屈秋林郭昊刘沛清段中喆刘胜春更多>>
相关机构:北京航空航天大学国家电网公司更多>>
相关期刊:《高电压技术》《Science China(Physics,Mechanics & Astronomy)》《Science China(Technological Sciences)》《Applied Mathematics and Mechanics(English Edition)》更多>>
相关主题:数值模拟输电线ATTRACTIVESOLUTIONSHELL_MODEL更多>>
相关领域:理学电气工程环境科学与工程电子电信更多>>
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Attractive fixed-point solution study of a shell model for turbulent convection
《Science China(Physics,Mechanics & Astronomy)》2013年第5期995-1003,共9页GUO Hao LI Chao QU QiuLin LIU PeiQing 
supported by the National Natural Science Foundation of China (Grant No.10902007);the Fundamental Research Funds for the Central Universities;the National Basic Research Program of China (Grant No.2009CB724001)
Different scaling behaviors, such as Kolmogorov (K41) scaling and Bolgiano and Obukhov (BO) scaling, have been reported in various shell models proposed for turbulent thermal convection. However, two coexistent subran...
关键词:turbulent convection shell model FIXED-POINT scaling behavior 
Attractive fixed-point solution study of shell model for homogeneous isotropic turbulence
《Applied Mathematics and Mechanics(English Edition)》2013年第3期259-268,共10页郭昊 李超 屈秋林 刘沛清 
Project supported by the National Natural Science Foundation of China (No. 10902007);he National Basic Research Program of China (973 Program) (No. 2009CB724001)
The attractive fixed-point solution of a nonlinear cascade model is stud- ied for the homogeneous isotropic turbulence containing a parameter C, introduced by Desnyansky and Novikov. With a traditional constant positi...
关键词:TURBULENCE shell model attractive fixed-point SCALING 
输电线雾凇覆冰过程的二维数值模拟被引量:6
《工程力学》2011年第5期212-218,225,共8页郭昊 刘沛清 屈秋林 刘胜春 王景朝 邸玉贤 
国家自然科学基金项目(10902007)
基于拉格朗日法提出了一种输电线表面雾凇覆冰过程的二维数值模拟方法。采用同位网格上的SIMPLE算法求解非定常不可压缩流动的RANS方程和SST-k-ω湍流模型以获得空气流场;采取拉格朗日法跟踪流场中过冷水滴的运动轨迹得到输电线表面各...
关键词:雾凇覆冰 数值模拟 拉格朗日法 局部碰撞率 边界移动 
输电线雾凇覆冰的工程估算方法被引量:16
《高电压技术》2011年第4期1041-1049,共9页郭昊 刘沛清 屈秋林 段中喆 
国家自然科学基金(10902007);国家重点基础研究发展计划(973计划)(2009CB724001)~~
为克服目前输电线覆冰数学模型存在各种上缺陷的问题,利用输电线雾凇覆冰的数值模拟方法系统探讨了输电线覆冰过程中过冷却水滴撞击输电线表面的碰撞特性,分析总结了各碰撞特性参数之间的相互依赖关系并导出了简单有效的碰撞特性估算公...
关键词:碰撞特性 局部碰撞率 总碰撞率 雾凇覆冰 工程估算方法 数值模拟 
Generation of spatial atmospheric turbulence field in aircraft motion simulation based on refined similarity hypothesis被引量:1
《Science China(Technological Sciences)》2011年第1期244-250,共7页GUO Hao CHEN JingJing QU QiuLin LIU PeiQing 
supported by the National Natural Science Foundation of China (Grant No.10902007);the National Basic Research Program of China ("973" Program) (Grant No.2009CB724001)
It is necessary to build turbulence model to study the response of aircraft to atmospheric turbulence for high resolution earth observation. The conventional method is on the basis of Dryden’s model with the assumpti...
关键词:aircraft motion simulation atmospheric turbulence ref'med similarity hypothesis energy transfer rate 
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