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heat barrier 熱障(= thermal barrier)。

heat bump

For the long term operation , the growth rate of temperature is higher than that of average temperature of the soil , the system analysis should therefore be implemented from the viewpoint of both energy equilibrium and heat barrier in order to ensure the whole stability and reliability 長期運行中,熱屏障帶的溫度增長速率要高于土壤平均溫度的增長,建議從負荷平衡和熱屏障兩個角度進行分析,以保證地源熱泵系統穩定可靠的運行。

Presents the concept of heat barrier , and analyses its formation and some characteristics including irregular shape , dynamic changes and potential harmfulness 提出了土壤換熱中熱屏障的概念,并分析了熱屏障的形成原因及其特性,即形狀不規則、動態變化和危害性。