地源热泵系统经济性的热力学分析  

Thermodynamic analysis of the economy of GSHP systems

作　　者：胡平放[1] 李芬容[1] 孙启明[1] 於仲义[1] 

机构地区：[1]华中科技大学环境科学与工程学院,湖北武汉430074

出　　处：《华中科技大学学报（自然科学版）》2009年第4期97-100,共4页Journal of Huazhong University of Science and Technology(Natural Science Edition)

基　　金："十一五"国家科技支撑计划资助项目(PBG200701);武汉市建设科研资助项目(200624)

摘　　要：以热力学火用分析方法的单位火用成本和单位冷热量成本等作为评价指标,建立空气源热泵与地源热泵热力学模型,对地源热泵与空气源热泵系统进行经济性分析.并以北京某办公楼建筑空调系统具体运用热力学火用分析方法进行计算.研究发现:地源热泵系统冬季火用效率明显高于空气源热泵,夏季工况则二者接近,均具有较大节能潜力.地源热泵系统总体经济性要优于空气源热泵系统.Taking cost per energy unit and cost per unit of cooling or heating capacity as evaluation index, the thermodynamic model of air source heat pump and ground source heat pump （GSHP） was set up. The thermal efficiency of GSHP and air source heat pump was analyzed. A calculation was done by thermaldynamic method to evaluate the heating ventilation and air conditioning （HVAC） system at an office building in Beijing. It is concluded that the efficiency of GSHP is better than that of air source heat pump is obtained.

关 键 词：热力学方法 [火用]效率 单位火用成本 单位热量成本 地源热泵 空气源热泵 

分 类 号：TK521.3[动力工程及工程热物理—热能工程]