技术中心

【英文篇名】 Mathematical model of water-source heat pump units under variant working conditions 【作者中文名】 刘洋; 刘金祥; 丁高; 【作者英文名】 Liu Yang; Liu Jinxiang and Ding GaoNanjing University of Technology; Nanjing; China; 【作者单位】 南京工业大学; 中国建筑设计研究院; 【文献出处】 暖通空调, Heating Ventilating 变工况; COP; 数学模型; 蒸发器侧; 冷凝器侧; 水温; 【英文关键词】 water-source heat pump; variant working condition; COP; mathematical model; evaporator side; condenser side; water temperature; 【摘要】 通过对水源热泵机组定温差、变工况运行时蒸发器侧和冷凝器侧水温对机组性能影响的分析,得到了机组性能随两侧水温变化的数学模型。利用某厂家的产品数据进行了验证,并与其他模型进行了比较,验证了该模型的准确性。 【英文摘要】 Deduces a mathematical model reflecting the relationship between the coefficient of performance(COP) of water-source heat pump units and the water temperatures on evaporator side and condenser side through analysing the influence of the water temperatures of the two sides on the COP under constant temperature difference and variant working conditions. This model is verified by the confirmation of the production data provided by a manufacturer and comparison with other models.