In-situ monitoring the thermal regime of foundation backfill of a power transmission line tower in permafrost regions on the Qinghai-Tibet Plateau

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In-situ monitoring the thermal regime of foundation backfill of a power transmission line tower in permafrost regions on the Qinghai-Tibet Plateau

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作者：Yanhui You^a ; Qihao Yu^a ; ^{yuqh@lzb.ac.cn" class="auth_mail" title="E-mail the corresponding author} ; Lei Guo^a ; Xinbin Wang^a ; Jun Hu^a ; ^c ; Jin Qian^a ; ^b ; Hu Zhang^a
关键词：Thermal regime ; Natural convection ; Water infiltration ; Backfill ; Tower foundation
刊名：Applied Thermal Engineering
出版年：2016
出版时间：5 April 2016
年：2016
卷：98
期：Complete
页码：271-279
全文大小：2814 K

文摘

•: Hydrothermal process was monitored continuously in backfill of a tower foundation.
•: Water infiltration caused a 1 to 2 orders higher heat transfer rate in the backfill.
•: Air natural convection was potentially occurred in the porously backfill in winter.
•: Convective heat transfer was not remarkable after the freezing-thawing process.

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