焓法与显热容法在建筑相变蓄热技术数值模拟中的应用

Application of Enthalpy Method and Apparent Heat Capacity Method in Numerical Simulation for Phase Change Heat Storage Technology in Buildings

基于数值解模型的焓法模型与显热容法模型是时下最主要的分析相变传热特性方法,综述了目前这2种方法在不同相变储能领域的应用现状,并分析了各自应用的优缺点与分别更适应于何种计算情况,总结了目前这2种方法在计算建筑相变蓄热时的局限,为之后在相变材料传热过程进行数值模拟提供了参考。

The enthalpy model and the apparent heat capacity method model based on the numerical solution model are the most important methods for analyzing phase change heat transfer characteristics.The current application status of these two methods in different phase change energy storage fields is reviewed,and their respective applications are analyzed.The advantages and disadvantages and calculation conditions more suitable are analyzed as well,the current limitations of these two methods in calculating the phase change heat storage of buildings are summarized to provide a reference for the numerical simulation of the heat transfer process of phase change materials.