地源热泵竖直地埋管管长计算影响因素分析  

Analysis on the Influencing Factors of Vertical Buried Pipe Length Calculation in Ground Source Heat Pumps

作　　者：鲁芬豹 符永正[1] 刘腊美[1] 石磊 

机构地区：[1]武汉科技大学城市建设学院,武汉430065 [2]浙江陆特能源科技股份有限公司,杭州310051

出　　处：《建筑科学》2016年第6期116-122,共7页Building Science

基　　金：湖北省自然科学基金项目"夏热冬冷地区地埋管热泵系统土壤热失衡研究"(2014CFB234)

摘　　要：在地源热泵竖直地埋管管长计算中,存在着很多随机因素,这些随机因素会影响换热器管长的设计计算,进而影响工程的初投资。本文分析了影响地源热泵竖直地埋管管长计算的随机因素,基于地源热泵地埋管的可靠性设计方法,通过1个工程实例,在一定的失效概率下,分析了各随机因素对竖直地埋管换热器管长计算的定量影响,这种方法有利于检测影响换热器管长的主导因素。本文最后归纳出各随机因素的实际影响以及各影响因素的主次关系,为工程实际的设计提供一定的参考。There are many uncertain factors in the calculation of vertical buried pipe length in ground source heat pumps（ GSHPs）,and these uncertain factors may influence the calculation and design of heat exchanger pipe length,and then affect initial project investment. This paper analyzed the uncertain factors that influenced GSHPs vertical buried pipe length calculation,and then analyzed the quantitative influence of various uncertainty factors on the calculation of vertical ground heat exchanger pipe length based on an engineering example and a reliability design method of GSHPs with a certain probability of failure taken into consideration. This method could help detect the main factors influencing the heat exchanger length. This paper finally concluded the practical impact and primary and secondary sequence of these various factors,providing certain reference for practical design.

关 键 词：地源热泵 管长计算 随机因素 可靠性分析 

分 类 号：TK523[动力工程及工程热物理—热能工程]