The temperature of tunnel wall, coefficient of unsteady heat exchange 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。
The experiments and tests show that this method can genuinely reflect the heat exchange 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。
The boiler heat exchange 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.
该锅炉换热系统由锅筒、左右集箱、水冷壁组成，主要受热面有炉膛水冷壁，部分锅筒和锅筒内对流管束。
A high-fin heat exchange tube comprises a tube and external fins combined on the outer wall of tube.
一种高翅片热交换管，属于热交换部件及制造技术领域。
Obtains the variety patterns of outlet water temperature, transient borehole wall temperature, heat exchange capacity per length and temperature distribution in certain distances from the pipe.
研究了埋管出口流体温度、钻孔瞬时平均壁温、单位长度吸热量以及距钻孔一定距离处土壤温度分布随运行时间的变化规律。
A cooling medium inlet and a cooling medium outlet are arranged on the furnace wall of the heat exchange chamber.
在热交换室的炉壁上设有冷却介质进口和冷却介质出口；
The evaporation heat exchange characteristics under a constant heat-flux density very approximate to those under a constant wall temperature. The results of calculation have also shown tha…
在定热流密度和定壁温两种条件下的蒸发换热特性十分接近。
The evaporation heat exchange characteristics under a constant heat-flux density very approximate to those under a constant wall temperature. The results of calculation have also shown tha…
在定热流密度和定壁温两种条件下的蒸发换热特性十分接近。
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