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4 季节冻土区不同管温对最大冻结深度的影响
Table 4 Maximum freezing depths with different pipeline transporting temperatures in seasonal frost regions
冻土区域季节冻结深度/m管输温度/℃方位1 a10 a20 a30 a
季节冻土区1.305.0管顶上方0.10.10.10.1
管底下方----
-1.0管顶上方0.40.40.40.4
管底下方2.42.82.82.8
-5.0管顶上方0.20.20.20.2
管底下方2.83.94.04.0