On accumulating buoyancy effects from an array of line heat sources and heat transfer;
大空间单列线热源累积浮力效应与换热区划分
An analytical model to predict the velocity and temperature field and heat transfer from the natural convection of an array of line heat sources in large space;
大空间单列水平线热源自然对流速度、温度场及换热的解析模型
Based on the common solution method of ground temperature field around exchangers,theory of line heat source and thermal resistance,the U-tube ground heat exchanger was simplified to single tube ground heat exchanger equivalently,and the related influencing factors were studied through theoretical analysis and experimental investigation.
本文通过地源热泵试验台,参照国外地下埋管换热器岩土温度场的求解方法,采用线热源理论及热阻原理,将U形垂直埋管换热器等效转化为单管换热器,对相关影响因素进行了分析与实验研究。
Based on the classical wire heating source method,the paper gives a new method for measuring metal materials thermal conductivity,discussing the principle of the wire heating source method for measuring metals materials thermal conductivity.
在经典线热源法的基础上提出了一种测量金属材料导热系数的新方法,论述了线热源法测量金属材料导热系数的原理,并用所设计的线热源法金属材料导热系数测试系统测量了部分金属材料的导热系数,取得了满意的结果。
Through studying the influence of piping water on strata temperature, a continuous line-heat-resource model is proposed by using the heat resource theory.
堤坝的管涌渗漏通道可看作是一个持续作用的线热源,通过研究管涌渗漏水对地层温度的影响,利用热源法的原理建立了管涌渗漏的持续线热源模型。
In this paper,the performance of various infrared implements is analyzed in details,the selection principle of infrared heat reservoir is put forward,and the conclusion that the fair-infrared directional radiation implements are most effective is drawn.
分析了各种红外辐射器的性能,提出了红外线热源的选择原则,得出了远红外定向辐射器为节能效果最好的红外热源的结论。
