Heating performance characteristics of a dual source heat pump using air and waste heat in electric vehicles

被引：97

作者：

Ahn, Jae Hwan ^{[1
]}

Kang, Hoon ^{[1
]}

Lee, Ho Seong ^{[1
]}

Jung, Hae Won ^{[1
]}

Baek, Changhyun ^{[1
]}

Kim, Yongchan ^{[1
]}

机构：

[1] Korea Univ, Dept Mech Engn, Seoul 136713, South Korea

来源：

APPLIED ENERGY | 2014年 / 119卷

关键词：

Heat pump; R134a; Automobile; Waste heat; Performance; SYSTEM; ENERGY;

D O I：

10.1016/j.apenergy.2013.12.065

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 heat pump has been considered as an alternative to an electric heater to increase the efficiency of the heating unit in electric vehicles. However, the heating performance of a single source heat pump has yet to be improved at low outdoor temperatures. This study investigates the feasibility of a dual source heat pump using both air and waste heat in electric vehicles. The performance of the dual source heat pump was measured at various operation modes: air source-only, waste heat-only and dual heat source. The heating performance of the dual source heat pump was higher than those of the single source heat pumps. In addition, an alternating single mode operation of air source-only and waste heat-only modes was proposed to improve performance at low outdoor air temperatures. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：1 / 9

页数：9

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