Performance investigation on a multi-unit heat pump for simultaneous temperature and humidity control

被引：26
|
作者：
Fan, Hongming [1 ]
Shao, Shuangquan [2 ]
Tian, Changqing [2 ]
机构：
[1] Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China
[2] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China
来源：
APPLIED ENERGY | 2014年 / 113卷
基金：
中国国家自然科学基金;
关键词：
Heat pump; Air conditioner; Dehumidification; Multi-unit; Variable air volume; LIQUID-DESICCANT DEHUMIDIFICATION; AIR-CONDITIONING SYSTEM; DRYING OPERATIONS; OPTIMIZATION; REGENERATION; PRESSURE; PRODUCTS; DRIVEN;
D O I：
10.1016/j.apenergy.2013.08.043
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A multi-unit heat pump is presented for simultaneous humidity and temperature control to improve the energy efficiency and the thermal comfort. Two parallel connected condensers are employed in the system, locating at the back of the indoor evaporator and the outdoor unit, respectively. The heat pump can operate in four modes, including heating, cooling and dehumidification without and/or with partial or total condensing heat recovery. The experimental investigation shows that the temperature control capacity is from 3.5 kW for cooling to 3.8 kW for heating with the cooling and heating efficiency higher than 3.5 kW kW(-1), and the dehumidification rate is about 2.0 kg h(-1) with the efficiency about 2.0 kg h(-1).kW(-1). The supply air temperature and humidity can be simultaneously regulated with high accuracy and high efficiency by adjusting the indoor and/or outdoor air volumes. It provides an integrated and effective solution for simultaneous indoor air temperature and humidity control for all-year-round operation in residential buildings. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：883 / 890
页数：8
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