EXPERIMENTAL STUDY OF SOLAR REFRIGERATOR SYSTEM USING ACTIVATED ALUMINA AND METHANOL ADSORPTION PAIR

被引：9

作者：

Sitorus, Tulus Burhanuddin ^{[1
]}

Napitupulu, Farel Hasiholan ^{[1
]}

Ambarita, Himsar ^{[1
]}

机构：

[1] Univ Sumatera Utara, Fac Engn, Dept Mech Engn, Kampus USU Medan 20155, Sumatera Utara, Indonesia

来源：

INTERNATIONAL JOURNAL OF TECHNOLOGY | 2016年 / 7卷 / 05期

关键词：

Activated alumina and methanol; Refrigerator performance; Solar energy;

D O I：

10.14716/ijtech.v7i5.1484

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study investigates the performance of a solar adsorption refrigerator using activated alumina and methanol adsorption pair. The experiments were carried out for 24-hour. The refrigeration was completed during seven cycles with varying weather conditions. A flat plate type collector was used with an area of 0.25 m(2) and tilt angle of 30 degrees. Theoretical calculations show that, the maximum collector efficiency is 47.15% when the maximum solar radiation obtained is 936.9 W/m(2). In this research, the maximum value of the COP is 0.0991 when the total solar energy is 16.485 MJ/m(2) and the minimum value obtained is 0.0919 when the total solar energy is 7.609 MJ/m(2). The experiment results show that the adsorption pair system can deliver an evaporator temperature of about 9.92 degrees C and the cooling load can be achieved by a heat source with a temperature range of 83.95 degrees C and 95.39 degrees C.

引用

页码：910 / 920

页数：11

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