土壤温度场对竖直U形地埋管换热性能的影响
Influence of soil temperature field on heat transfer performance of vertical U-tube ground heat exchangers
摘要：
对广州地区地下50 m以内土壤温度分布进行了模拟，研究了土壤温度的分布特性和变化规律，模拟了冬季工况下埋管区域土壤温度场的分布情况，分析了动态负荷分布对地埋管换热性能的影响。
关键词：土壤温度场 U形地埋管换热器 换热性能 土壤热平衡
Abstract：
Simulates soil temperature distribution within 50m under ground surface in Guangzhou，and studies the distribution and changes of the soil temperature. Simulates the distribution of the soil temperature field in the pipe buried area in winter conditions. Analyses the influence of dynamic load distribution on heat transfer performance of ground heat exchangers.
Keywords:soil temperature field, U-tube ground heat exchanger, heat transfer performance, soil heat balance