【摘要】 本文对相变贮能球堆积床结合夜间自然风的蓄冷过程建立了数学物理模型,并进行了数值计算。分析了该系统的换热效果和充冷过程的特点及某些流动参数的变化对堆积床换热特性的影响。计算结果合理,所得结论对该类贮能系统的设计和性能优化有一定指导作用。更多还原

【Abstract】 A method of combining latent heat packed bed system with controlled ventilation at night to improve thermal environment of buildings is introduced.The theoretical model and the numerical analysis on heat transfer process of this system are presented,with which the influence of some factors on the system performance is studied.and the effect of this technique on the improvement of thermal environment of buildings is discussed also.更多还原