空调冷负荷计算方法的发展现状与挑战
Development and challenges of cooling load calculation method for air conditioning systems
摘要:
回顾了国内外空调冷负荷计算方法的发展历史并总结了发展现状,介绍了2种先进的冷负荷计算方法——热平衡方法和辐射时间序列方法;综述了负荷计算软件和建筑能耗模拟软件的现状。指出了新的空调系统形式和运行模式的出现改变了室内得热到冷负荷的转化过程,需要研究新的负荷计算方法,指导新型空调系统的设计。
关键词:冷负荷,计算方法,热平衡方法,辐射时间序列方法,负荷计算软件,建筑能耗模拟软件,围护结构
Abstract:
Overviews the historic development of Chinese and overseas cooling load calculation methods and summaries the current status.Presents two advanced calculation methods—heat balance method and radiant time series method, and reviews the software development of cooling load calculation and building energy simulation. Points out that the new form and operating way of air conditioning systems change the process of heat gain conversing into cooling load, which leads to develop a new cooling load calculation method, so as to guide the design of new air conditioning systems.
Keywords:cooling load, calculation method, heat balance method, radiant time series method, load calculation software, building energy simulation software, building envelope