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部分负荷下冷冻水变流量对水源热泵机组性能影响分析

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Indexed by:期刊论文

Date of Publication:2012-02-15

Journal:建筑热能通风空调

Volume:31

Issue:1

Page Number:1-5

ISSN No.:1003-0344

Key Words:水源热泵;性能模拟;冷冻水变流量;COP

Abstract:建立水源热泵机组数学模型,进行部分负荷下冷冻水侧变流量对机组性能影响模拟。结果表明:变流量时流量变化范围并不与机组负荷变化成线性关系;无论定、变流量,部分负荷下冷凝温度下降,蒸发温度升高,机组COP随着负荷减小先增大后减小;在一定范围内冷冻水变流量对机组本身性能影响并不显著,却会使冷冻水泵功耗有较大幅度下降。

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