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Air source thermoelectric heat pump for simultaneous cold air delivery and hot water supply: Full modeling and performance evaluation

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成果类型:
期刊论文
作者:
Cai, Yang;Zhang, Dong-Dong;Liu, Di*;Zhao, Fu-Yun*;Wang, Han-Qing
通讯作者:
Liu, Di;Zhao, Fu-Yun
作者机构:
[Wang, Han-Qing] Univ South China, Sch Civil Engn, Hengyang, Hunan, Peoples R China.
[Zhao, Fu-Yun; Cai, Yang; Zhang, Dong-Dong] Wuhan Univ, Minist Educ, Key Lab Hydraul Machinery Transients, Wuhan, Hubei, Peoples R China.
[Zhao, Fu-Yun; Cai, Yang; Zhang, Dong-Dong] Wuhan Univ, Hubei Key Lab Waterjet Theory & New Technol, Wuhan, Hubei, Peoples R China.
[Zhao, Fu-Yun; Cai, Yang; Zhang, Dong-Dong] Wuhan Univ, Sch Power & Mech Engn, Wuhan, Hubei, Peoples R China.
[Liu, Di] China Univ Petr, Coll Pipeline & Civil Engn, Qingdao, Shandong, Peoples R China.
通讯机构:
[Liu, Di] China Univ Petr, Coll Pipeline & Civil Engn, Qingdao, Shandong, Peoples R China.
[Zhao, Fu-Yun] Wuhan Univ, Sch Power & Mech Engn, Wuhan, Hubei, Peoples R China.
语种:
英文
关键词:
Air source energy;Thermoelectric heat pumps;Domestic water heating;Low energy built ventilation
期刊:
RENEWABLE ENERGY
ISSN:
0960-1481
年:
2019
卷:
130
页码:
968-981
文献类别:
WOS:Article
所属学科:
WOS学科类别:Energy & Fuels;GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
入藏号:
基金类别:
National Natural Science Foundation of China, (NSFC) [51778504, 51304233, 51208192]; Fundamental Research Projects from Shenzhen [JCYJ20160523160857948]; Fundamental Research Funds for the Central Universities (Wuhan University) [2042016kf0136]; National Key Basic Research Program of China (973 Program) [2014CB239203]; Collaborative Innovation Center for Building Energy Conservation and Environment Control, Hunan Province
机构署名:
本校为其他机构
摘要:
An air-source thermoelectric heat pump (AS-THP) system is proposed in the present work, and it actively exploits ambient air source energy serving for cold air delivery and hot water supply simultaneously. A mathematical model, combining thermoelectric theory and the effectiveness-number of transfer units (epsilon-NTU), is firstly conducted to predict the performance of AS-THP system. Subsequently, the effects of thermoelectric input current, inlet air/water temperatures, thermal conductance, mass flow rate in both cold and hot sides, and the number of thermoelectric coolers on the performance of AS-THP system are sensitively investigated. Modeling results demonstrate that the thermal conductance and specific heat allocations in heat exchanger hot and cold sides could put heavy effects on the total cooling capacity (Q(c,all)), coefficient of performance (COP), outlet water temperature (T-c,T-out) and outlet air temperature (T-h,T-out). Further modeling on the thermal parameters in both sides has shown that overall efficiency of AS-THP system could be achieved to nearly 90%. Also, with the increase of unit number, the cooling load for each thermoelectric unit would be reduced while the input power increases inversely. Present research could be beneficial for extensive utilization of thermoelectric heat pump in daily life by the use of ambient air source energy. (C) 2018 Elsevier Ltd. All rights reserved.
参考文献:
Allouhi A, 2017, APPL THERM ENG, V113, P150, DOI 10.1016/j.applthermaleng.2016.11.001
Aranguren P, 2017, APPL THERM ENG, V120, P496, DOI 10.1016/j.applthermaleng.2017.04.022
Attar A, 2016, ENERG CONVERS MANAGE, V112, P328, DOI 10.1016/j.enconman.2016.01.029
Benn SP, 2016, APPL THERM ENG, V104, P358, DOI 10.1016/j.applthermaleng.2016.05.045
Bergman TL, 2011, FUNDAMENTALS HEAT MA

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