Experimental analysis on drying performance of a condensing clothes dryer with two new plate-fin heat exchangers

被引：5

作者：

Lin, Zibo ^{[1
]}

Wang, Hui ^{[2
]}

Wang, Ying ^{[1
]}

Cao, Yilin ^{[2
]}

Lei, Xiangshu ^{[1
]}

Bai, Shuzhao ^{[2
]}

Xu, Xiaowen ^{[2
]}

Sun, Jiantao ^{[2
]}

Liu, Yingwen ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermo Fluid Sci & Engn MOE, Xian 710049, Shaanxi, Peoples R China

[2] Midea Grp Co Ltd, Foshan 528000, Guangdong, Peoples R China

来源：

CASE STUDIES IN THERMAL ENGINEERING | 2023年 / 42卷

基金：

中国国家自然科学基金;

关键词：

Condensing clothes dryer; Condenser; Plate -fin heat exchanger; Drying performance; Energy efficiency; TUMBLER DRYER; IMPROVEMENT; EFFICIENCY; LEAKAGE;

D O I：

10.1016/j.csite.2023.102769

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this paper, an off-set fin heat exchanger (OSFHE) and a flying-wing fin heat exchanger (FWFHE) were developed for the condenser of a condensing clothes dryer. They were used to replace the slit fin heat exchanger (SFHE), which is the prototype condenser. Performance pa-rameters, like condensation rate, IEC energy efficiency index (EEI) and specific moisture extraction rate (SNEER), were used to assess the dehumidification performance of the heat ex-changers and the drying performance of the dryer. Though the fin areas of OSFHE and FWFHE are 20% and 34.2% less than that of SFHE, the experiment results indicated that OSFHE and FWFHE had a faster condensation rate than SFHE during the main drying stage. And the heat exchanger with a faster condensation rate also led to less power consumption of the dryer in most tests. Compared with using SFHE, using OSFHE could decrease the EEI of the dryer by 0.43%. Using FWFHE could reduce the EEI of the dryer by 1.19% and improve the EU energy efficiency class of the dryer from Class C to Class B. Both OSFHE and FWFHE are able to replace SFHE and become a new generation of condensers for clothes dryers.

引用

页数：13

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