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管内污水对流换热试验方案及污垢热阻问题的探讨

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Indexed by:期刊论文

Date of Publication:2018-03-15

Journal:暖通空调

Volume:48

Issue:3

Page Number:107-111,90

ISSN No.:1002-8501

Key Words:原生污水;热泵;对流换热;换热系数;污垢;热阻

Abstract:在污水源热泵系统中,污水在换热管内的流动与换热特性以及污垢热阻的生长特性是污水换热器设计的重要参数.搭建了污水管内对流与换热特性试验台,依据试验数据,分析了污水管内对流换热、污垢生长过程与换热管内污水的初始流速、运行时间有关;并给出了污垢积聚的预测模型,为该类问题的研究提供参考.

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