北极多年冻土区埋地输气管道周边温度场数值分析
李欣泽, 金会军, 吴青柏, 魏彦京, 温智

Numerical Analysis of Temperature Field Around Buried Gas Pipeline in Arctic Permafrost Regions
Xinze LI, Huijun JIN, Qingbai WU, Yanjing WEI, Zhi WEN
表3 多年冻土区不同管温对冻土人为上限值影响
Table 3 Depth of the artificial permafrost table with different pipeline transporting temperatures in different permafrost regions
冻土区域天然场地冻土上限/m管输温度/℃1 a10 a20 a30 a
连续多年冻土区0.155.01.902.002.202.20
-1.00.230.240.250.25
-5.00.120.120.120.12
非连续多年冻土区1.645.02.403.504.004.40
-1.00.370.370.370.37
-5.00.320.320.320.32