高海拔冻土区通风管路基管内风速及影响因素研究
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宋正民 1,2( ), 穆彦虎 2( ), 马巍 2, 俞祁浩 2, 栗晓林 2
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Characteristics and influence factors of wind speed in ventilation duct of ventilation duct embankment in high altitude permafrost regions
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Zhengmin SONG 1,2( ), Yanhu MU 2( ), Wei MA 2, Qihao YU 2, Xiaolin LI 2
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图9. 不同通风管外伸长度下管口流线示意图
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Fig.9. Schematic diagram of streamline under different ventilation duct extension lengths of 0 m (a), 1.6 m (b) and 2.6 m (c)
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