Experimental Performance of a Thermoelectric Heat-Pump Drying System for Drying Herbs

被引：5
作者：
Wongsim, K. [1 ]
Jamradloedluk, J. [1 ]
Lertsatitthanakorn, C. [2 ]
Siriamornpun, S. [3 ]
Rungsiyopas, M. [4 ]
Soponronnarit, S. [2 ]
机构：
[1] Mahasarakham Univ, Postharvest & Agr Machinery Engn Res Unit, Fac Engn, Kantarawichai 44150, Mahasarakham, Thailand
[2] King Mongkuts Univ Technol Thonburi, Sch Energy Environm & Mat, Div Energy Technol, Bangkok 10140, Thailand
[3] Mahasarakham Univ, Fac Technol, Dept Food Technol & Nutr, Res Unit Proc & Prod Dev Funct Foods, Kantarawichai 44150, Mahasarakham, Thailand
[4] Burapha Univ, Dept Mech Engn, Fac Engn, Muang 20131, Chonburi, Thailand
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2015年 / 44卷 / 06期
关键词：
Heat pump; COP; drying time; DRYER;
D O I：
10.1007/s11664-015-3709-5
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this study we investigated thermoelectric (TE) heat-pump drying of laurel clock vine leaves, and the effect of drying-air temperature on the characteristics of the leaves. The TE drying system comprised four TE modules each with its own rectangular fin heat sink. The hot side of each TE module was fixed to its own heat sink; the cold sides were fixed to heat-pipe heat sinks and a drying chamber. The drying time depended on drying-air temperature. The heating capacity and coefficient of performance (COP) increased as the current supplied to the TE modules was increased. Calculated COP for the entire TE heat-pump drying system were 1.28 and 0.81 for drying-air temperatures of 50 and 40A degrees C, respectively.
引用
收藏
页码：2142 / 2145
页数：4
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