摘要
从湿空气状态方程出发,依据Lewis关系证明了蒸发换热系数和对流换热系数的一般关系,推导了湿表面上水分蒸发换热系数he的一般式,对其影响因素进行系统分析。
In this paper the relation between the vaporizing heat transfer coefficient and convective heat transfer coefficient is diverated by using the moisture air status equations and the Lewis relation.A general equation of vaporising heat transfer coefficient h e is obtained.The factors that affect the h e are analysed in detail and it is shown that the impact of air humidity is much less than that of air velocity.
出处
《太阳能学报》
EI
CAS
CSCD
北大核心
1999年第2期216-219,共4页
Acta Energiae Solaris Sinica
基金
国家自然科学基金
广东省自然科学基金
关键词
被动蒸发冷却
蒸发换热系数
对流换热系数
passive vaporizing cooling,vaporizing heat transfer ceofficient,convective heat transfer coefficient,Lewis relation,moisture air