heat exchange coefficient

This paper brings out a new method which makes up this defect by comparing the calculation results with the old one, pointing out the serious errors occurring when neglecting the inner side heat exchange coefficient.

本文推导了包含内表面换热系数的绝热厚度新公式，并与现行公式定量比较，指出忽略内表面换热系数后出现的重大误差。

The influence of the supporting beam depth, the thermal coefficient of the material and the heat exchange coefficient on the maximum principal tensile stress in the boiler-supporting beam under the load of the temperature field is analyzed as well.

同时分析了支撑梁在该温度场作用下支撑梁宽度、材料的导热系数、梁表面热交换系数对梁内最大主拉应力的影响。

The convection current heat exchange coefficients on the tube surface and at the elliptic pin top were separately measured, the experimental correlative formula and the total heat exchange coefficient were derived with calculation.

对管面上及椭圆钉头上的对流换热系数分别进行了测量，通过计算得到总体换热系数及流动阻力的实验关联式。

Although helical coil has lesser heat exchange coefficient and biggish exchange area, the helical coil has more practicality because of its tight structure.

通过比较，虽然盘管型直流蒸汽发生器传热系数小，换热面积大，但由于其结构较直管型更紧凑，因而具有更大的实用价值。