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1 土层和雪层物理性质
Table 1 Thermal-physical parameters of the soils and snow
岩性ρ/(kg/m3)w/%λf /[W/(m·K)]λu/[W/(m·K)]Cf /[J/(m3·K)]Cu/[J/(m3·K)]L/(J/m3)
泥炭土1705001.200.42.30×1063.89×106283.9×106
粉土1 300302.211.131.92×1062.87×106152.0×106
砂土1 750153.012.191.86×1062.40×10687.7×106
250-2.9ρ2-2.09ρ--