The temperature of tunnel wall, coefficient of unsteady heatexchange and thickness of heat-adjusting layer at constant air temperature in a tunnel are calculated.
求算了巷道风温恒定时岩体壁面温度、岩体与空气的非稳态热交换系数和围岩调热圈厚度。
2
The experiments and tests show that this method can genuinely reflect the heatexchange process of outside wall body.
实验和预测检验表明：该方法能够真实反映墙体外表面换热过程。
3
The boiler heatexchange system is composed of a boiler barrel, a left and right set box, and a water cooling wall, which is composed of a boiler water cooling wall, a tube and a tube bundle.