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Performance Analysis of a 5 RT Air-Cooled $NH_3-H_2O$ Absorption Chiller with the Variations of Heat Input and Ambient Temperature  

윤희정 (경희대학교 대학원)
김성수 (경희대학교 대학)
강용태 (경희대학교 기계산업시스템공학부)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.16, no.5, 2004 , pp. 438-443 More about this Journal
Abstract
The objective of this paper is to study the effects of the input gas flow rate and the ambient temperature variation on the absorption cycle performance. An air-cooled NH$_3$-$H_2O$ absorption chiller is tested in the present study. The nominal cooling capacity of the single effect maching is 17.6 ㎾ (5.0 USRT). The cooling capacity, coefficient of performance, burner efficiency, and each state point are measured with the variations of the heat input and the ambient temperature. It is found that the COP and cooling capacity increase with increasing the generator exit temperature up to a certain temperature and then decrease. It is also found that the COP and the cooling capacity decrease with increasing the ambient temperature. The maximum COP of 0.51 is obtained from the present experiment.
Keywords
Air-cooled absorption chiller; Ammonia-water; Ambient temperature; Heat input variation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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