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污水源热泵系统中换热器污垢热阻的实验研究
Experimental research of fouling thermal resistance on heat exchangers in sewage source heat pump system
【摘要】 以换热器中常见的污泥类颗粒污垢为研究对象,通过工程实例进行热阻实验,监测此类污垢在换热管内的生长情况,并建立热阻预测模型。对得到的实验数据进行分析,拟合出了适用于工程实际的污水换热器污垢曲线,对工程设计及污水源热泵系统的控制、运行都有指导意义。
【Abstract】 Taking the sludge particle fouling as the research object,carries out the fouling thermal resistance experiment in an actual project,tests its growth and establishes a prediction model.Analyses the experimental data and obtains the fitting curve of fouling in sewage heat exchangers,which is recommended to be a instructive means in the design and control of the sewage heat pump system.
【关键词】 污水源热泵;
换热器;
污垢热阻;
预测模型;
【Key words】 sewage source heat pump; heat exchanger; fouling thermal resistance; prediction model;
【Key words】 sewage source heat pump; heat exchanger; fouling thermal resistance; prediction model;
【基金】 国家自然科学基金资助项目(编号:50578048)
- 【文献出处】 暖通空调 ,Heating Ventilating & Air Conditioning , 编辑部邮箱 ,2009年05期
- 【分类号】TU833
- 【被引频次】21
- 【下载频次】604