盘管外融冰蓄冰过程数值方法  

A Numerical Method of Moving Boundary Problem Based on Ice-on-coil Thermal Storage

作　　者：陆仁德[1] 于航[1] 

机构地区：[1]同济大学机械工程学院,上海201804

出　　处：《建筑节能》2010年第3期36-38,共3页BUILDING ENERGY EFFICIENCY

摘　　要：通过简化假设将盘管蓄冰过程简化为一维非稳态问题,并利用坐标变换方法将随时间变化的边界条件转化为固定的规则的边界条件。简要介绍了该方法的求解过程并求得数值解。通过解析解与数值求解的一致性验证了该方法的有效性。通过类比提出了蓄冰厚度与蓄冰时间的关联式。The ice storage is simplified to the one-dimension non-stable issue through some assumptions, and an effective simulation method called coordinate transformation is utilized to transfer the issue to regular and fixed boundary conditian from time-dependant bound- ary. The method and solution is introduced generally. Validity of this method would be proved by the comparison between the analytical solution and numerical solution. Specifically, the regression relations between dimensionless time and ice formation thickness are presented.

关 键 词：冰盘管 蓄冰 坐标变换法 移动边界问题 

分 类 号：TU831[建筑科学—供热、供燃气、通风及空调工程]