Under the constant blow ratio, the higher the mainstream velocity is, the higher the average effectiveness and average heat transfer coefficient are.
同一吹风比下，主流速度较高的，平均效率及平均换热系数也较高。
And the average heat transfer coefficient near the slots is different between different blow ratios, while far away from the slots, the difference diminish.
在主流速度较低时，这种情况并不明显。不同吹风比下反应出来的平均换热系数的差别在靠近缝口的区域较明显，沿下游方向这种差别逐渐减少。
Then average heat transfer coefficient of building external wall and heat transfer coefficient of building block filling wall by calculating were calculated.
由于常规算法的局限性，在实际项目中换算外墙平均传热系数与外墙主墙体传热系数需要计算的工作量较大。
The evaporation temperature has negligible effect on the average evaporation heat transfer coefficient at the same oil concentration.
同一含油率下，蒸发温度对平均换热系数影响不大。
When the average diameter was different, the effective heat transfer coefficient decreased with increasing particle diameter.
当颗粒的粒径增大，有效传热系数降低；
By experiment, the curves and equations of relationship between the heat transfer coefficient and parameters of average diameter, particle size distribution and particle speed are obtained.
用试验方法研究了固体粒子绕流园管的换热系数，得出了换热系数与固体粒子的平均直径、粒度分布、颗粒运动速度等参数的关系曲线和关系式。
The results are as follows: at low velocity, the heat transfer coefficient is nearly proportional to the average velocity and velocity and temperature gradient are in good synergy.
结果表明：当流速很低时，速度与换热系数几乎成线性变化，场的协同性很好；
The results are as follows: at low velocity, the heat transfer coefficient is nearly proportional to the average velocity and velocity and temperature gradient are in good synergy.
结果表明：当流速很低时，速度与换热系数几乎成线性变化，场的协同性很好；
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