Cycle analysis of air-cooled absorption refrigeration machine using a new H{sub 2}O/LiBr+HO(CH{sub 2}){sub 3}OH solution
Conference
·
OSTI ID:20030556
A cycle analysis was achieved to predict the characteristics by comprehensive modeling and simulation of an air-cooled, double-effect absorption system using a new H{sub 2}O/LiBr+HO(CH{sub 2}){sub 3}OH solution. The simulation results showed that the new working fluid may provide the crystallization limit 8% higher than the conventional H{sub 2}O/LiBr solution. With a crystallization merge of 3 wt%, the optimal solution distribution ratio was found in the range of 36 to 40%. Variation of cooling air inlet temperature have a sensitive effect on the cooling COP and corrosion problem. The simulation of heat exchangers with KA value revealed that the absorber and the evaporator are relatively important for an air-cooled system compared with the condenser and the low temperature generator. The effect of cooling air flow rate, circulation weak solution flow rate and chilled water inlet temperature were also examined. The new working fluid may provide the COP approximately 5% higher than the conventional H{sub 2}O/LiBr solution.
- Research Organization:
- Pukyong National Univ. (KR)
- OSTI ID:
- 20030556
- Country of Publication:
- United States
- Language:
- English
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