Due to the features of board heat - exchange euipment ' s simple structure , easy unpicked and washed and high heat - transfer coeffcient , it is used extensively in heating system 由于板式换热器结构简单、便于拆洗、最重要在于它传热系数高等特点，使得它在供热系统中得到了越来越广泛的应用。
At first , by theoretically analyzing the instance of heat transfer on the umbrella - plate evaporator . the formula of the heat transfer coefficient on the evaporation side in the umbrella - plate could be obtained 首先对伞板的传热情况进行了理论分析，得出了伞板蒸发侧传热系数的计算式。
On the ground of theoretical analysis , thermal infrared imager can rapidly and accurately get the information of energy conservation of buildings and the heat transfer coefficient of enclosing construction 以此为基础,采用红外热像仪可以快速准确地检测建筑节能情况,得出围护结构的传热系数。
Concludes that the relative uncertainty of the whole bed and the internal and the external tube condensing heat transfer coefficients are 7 . 19 % , 4 . 95 % , and 8 . 73 % respectively 根据误差分析结果，该试验台冷凝传热系数的相对误差为7 . 19 % ，管内、管外的冷凝换热系数的相对误差分别为4 . 95 %和8 . 73 % 。
Through analysis , the theoretical solution of the condensation heat transfer coefficient of horizontal tubes with annular fins is obtained . the theoretical results are compared with the experimental ones 本文通过理论推导，获得了水平环肋管外冷凝表面传热系数的理论计算公式，然后把理论值与实验值进行了比较。
Finally , by studying the heat transfer coefficient and the mechanism of mass transfer through the membrane pores , a complete mathematical model was proposed for the removal of voc from dilute aqueous solutions by vmd 根据对传热系数和膜孔内传质机理的研究，最后得到了真空膜蒸馏脱除水溶液中voc全过程的数学模型。
The results showed that the total heat transfer coefficient of petal - shaped finned tube oil - cooler with helical baffles was 4 ~ 5 times as large as that of smooth tube oil - cooler with segmental baffles at the same oil pressure drop 结果表明，在相同油压降下，螺旋隔板花瓣管油冷却器的总传热系数是弓形隔板光滑管油冷却器的4 ~ 5倍。
The analysis by sampling data of no . 2 caster bao steel shows that the integrated heat transfer coefficient is independent of the width of slabs , and the effect of superheat is not clear , but the effect of casting speed is very obvious 摘要对宝钢2号连铸机现场数据的采样分析结果表明：连铸坯在线宽度对结晶器综合传热系数没有影响。
According to the results , the cause of the error is explained , and the ways of improvement of condenser are put forward the theoretical solution of the condensation heat transfer coefficient is in excellent agreement with the experimental one 本文所推导的冷凝表面传热系数的理论公式与实际情况基本相符，可应用于冷凝器的设计中。
Based on practically measured data from several boilers , the real fouling coefficient of different coal quality and of different heating surfaces , as well as real heat transfer coefficient of various heating surfaces have been calculated 摘要根据几台锅炉的实测数据推算不同煤质对不同受热面的实际灰污系数和各种受热面的实际传热系数。
