Presentation Details
热分层条件下风沙流streamer现象的大涡模拟
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Abstract
在野外实际风沙运动中广泛存在温度变化导致的热分层现象，而热分层效应会显著影响大气湍流并改变风沙运动。本文基于颗粒Lagrangian轨迹模拟与湍流大涡模拟LES相结合的方法，研究了非中性层结大气风沙流中近地表沙条带（sand streamers）现象。通过数值模拟数据分析了sand streamers平均结构的形态和尺度大小随层结稳定性、摩阻风速的变化规律。并讨论了热分层流动中湍流结构对sand streamers形成机制的影响。
Keywords
热分层湍流，风沙运动，沙条带，大涡模拟
Speaker
冯圣军
兰州大学Submission Author
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Important Date
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Conference Date
May 31
2024
toJun 03
2024
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Jun 03 2024
Abstract Submission Deadline
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Jun 03 2024
Draft paper submission deadline
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Jun 03 2024
Registration deadline
Sponsored By
Panel of Computational Mechanics on Granular Materials
Working Party of Computational Mechanics
Chinese Society of Theoretical and Applied Mechanics
Working Party of Computational Mechanics
Chinese Society of Theoretical and Applied Mechanics
Organized By
Hohai University
Dalian University of Technology
Chinese Society of Particuology
Jiangsu Society of Theoretical and Applied Mechanics
Dalian University of Technology
Chinese Society of Particuology
Jiangsu Society of Theoretical and Applied Mechanics
Contact Information
- 琪张
- sh******@chytey.com
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第六届全国颗粒材料计算力学会议 -
2021-03-26 China Wuhan
The Fifth National Conference on Computational Mechanics of Granular Materials -
2018-07-06 China
第四届全国颗粒材料计算力学会议 -
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第三届全国颗粒材料计算力学会议 -
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