Exergy analysis of a liquid-desiccant-based, hybrid air-conditioning system

被引:36
作者
Ahmed, CSK [1 ]
Gandhidasan, P [1 ]
Zubair, SM [1 ]
Al-Farayedhi, AA [1 ]
机构
[1] King Fahd Univ Petr & Minerals, Dept Mech Engn, Dhahran 31261, Saudi Arabia
关键词
D O I
10.1016/S0360-5442(97)00040-6
中图分类号
O414.1 [热力学];
学科分类号
摘要
We present the applicable exergy analysis and estimate irreversible losses that are generated during operation of a hybrid air-conditioning cycle with emphasis on a partly closed solar regenerator that is used to regenerate weak desiccant. The desiccant mass-flow rate has been chosen as the fundamental parameter for analysing the system. We find an optimum mass-flow rate for minimum irreversibility, i.e. maximum exergy. Large irreversibilities occur for high ambient vapor pressures, which tend to decrease the system exergy and overall performance of the regenerator. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:51 / 59
页数:9
相关论文
共 11 条
[1]  
[Anonymous], 1982, INT J HEAT FLUID FL, DOI DOI 10.1016/0142-727X(82)90002-9
[2]  
APHORNRATANA S, 1995, INT J REFRIG, V18, P244
[3]  
Bejan A., 2006, ADV ENG THERMODYNAMI
[4]  
BEJAN A, 1981, ASME, V103, P23
[5]   2ND-LAW ANALYSIS OF SOLAR COLLECTORS WITH ENERGY-STORAGE CAPABILITY [J].
CHELGHOUM, DE ;
BEJAN, A .
JOURNAL OF SOLAR ENERGY ENGINEERING-TRANSACTIONS OF THE ASME, 1985, 107 (03) :244-251
[6]   THE 2ND LAW ANALYSIS OF ABSORPTION COOLING CYCLES [J].
EGRICAN, N .
HEAT RECOVERY SYSTEMS & CHP, 1988, 8 (06) :549-558
[7]   EXERGY ANALYSIS FOR THE PERFORMANCE OF SOLAR COLLECTORS [J].
FUJIWARA, M .
JOURNAL OF SOLAR ENERGY ENGINEERING-TRANSACTIONS OF THE ASME, 1983, 105 (02) :163-167
[8]   THERMAL PERFORMANCE ANALYSIS OF A PARTLY CLOSED-OPEN SOLAR REGENERATOR [J].
GANDHIDASAN, P ;
ALFARAYEDHI, AA .
JOURNAL OF SOLAR ENERGY ENGINEERING-TRANSACTIONS OF THE ASME, 1995, 117 (02) :151-153
[9]  
KHALLYEV E, 1988, APPL SOLAR ENERGY, V24, P56
[10]  
MORAN MJ, 1989, AVAILABILITY ANAL