Performance evaluation of residential heat-pump water heaters (part 1): Performance test data acquisition and analysis

被引：0
作者：
Fujinawa T. [1 ]
Mae M. [2 ]
机构：
[1] Graduate School of Engineering, The Univ. of Tokyo
来源：
Journal of Environmental Engineering (Japan) | 2021年 / 86卷 / 789期
关键词：
CO[!sub]2[!/sub] refrigerant; Energy consumption; Heat-pump; Performance evaluation test; Performance factor; Water heater;
D O I：
10.3130/aije.86.840
中图分类号：
学科分类号：
摘要：
The purpose of this study was to develop a method for estimating the energy consumption of residential CO2 refrigerant heat-pump water heaters (HPWHs). We showed that the system efficiency of HPWHs was determined by three performance factors, namely: "Heat-pump COP", "Storage heat loss" and "Auxiliary power loss". In this paper, some experimental evaluation tests were carried out to obtain actual machine performance data. The measurements were analyzed by evaluation indices, such as "the rate of decrease in COP", "Storage heat loss rate" and "Auxiliary power loss rate". We also gained useful pointers for developing a calculation model of HPWHs. © 2021 Architectural Institute of Japan. All rights reserved.
引用
收藏
页码：840 / 851
页数：11
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