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Mass transfer coefficient for water evaporation by theoretical and empirical correlations
International Journal of Heat and Mass Transfer ( IF 5.0 ) Pub Date : 2020-06-01 , DOI: 10.1016/j.ijheatmasstransfer.2020.119500
Tibor Poós , Evelin Varju

Abstract During our research, evaporation of water was investigated at forced convection. After laboratory measurements, it has concluded that in the case of water without heating, the rate of evaporation increases in the function of the air velocity and the temperature of the air. The values of the mass transfer coefficient were determined by one theoretical and ten empirical correlations collected from the literature. These coefficients were compared in the function of air velocity and air temperature. The results derived from the empirical equation of Inan and Atayilmaz are the closest to the theoretical results that were supported by the Bland-Altman method. Thus, the applicability range of this equation for water temperature, air temperature, air velocity and relative humidity has been extended.

中文翻译:

通过理论和经验相关性计算水蒸发的传质系数

摘要 在我们的研究中,研究了强制对流下水的蒸发。经过实验室测量,得出结论,在没有加热的水的情况下,蒸发率随空气速度和空气温度的增加而增加。传质系数的值由从文献中收集的一项理论相关性和十项经验相关性确定。这些系数在空气速度和空气温度的函数中进行了比较。从 Inan 和 Atayilmaz 的经验方程得出的结果最接近 Bland-Altman 方法支持的理论结果。因此,该方程对水温、气温、风速和相对湿度的适用范围得到了扩展。
更新日期:2020-06-01
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