International Journal of Innovative Engineering, Technology & Science

DESIGN OF H2O-LIBR SOLAR-DRIVEN ABSORPTION REFRIGERATING SYSTEM FOR NIGERIAN APPLICATION: A CASE STUDY
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DESIGN OF H2O-LIBR SOLAR-DRIVEN ABSORPTION REFRIGERATING SYSTEM FOR NIGERIAN APPLICATION: A CASE STUDY

Publication Date : 15/03/2018


Author(s) :

Madu, K. E. , Uyaelumuo, E. A.


Volume/Issue :
Volume 2
,
Issue 1
(03 - 2018)



Abstract :

This paper presents the design of Water-Lithium Bromide (H2 O - LiBr) absorption refrigeration system powered by solar energy for application in the rural communities of South-Eastern part of Nigeria. Design consideration is given to the geographical and climatic conditions of Nigeria, since the country receives abundant solar radiated energy. With its teeming population of rural and sub-urban dwellers living with inadequate supply of energy from power companies, it becomes expedient to design a system that depends on energy from the sun for its operation. This system was designed with a generator/desorber temperature of 950 C, evaporator temperature of 350 C, and absorber temperature of 450C. Through the application of thermodynamic models, the analysis of the designed system parameters yielded the pressure limits of 0.87kPa at the evaporator of the system, and 5.29kPa at the condenser point of the system. The analysis of the designed system gives a very reasonable coefficient of performance (COP) of 0.807 and 1.259 at maximum. The available results show that the designed system with its thermodynamic parameters is very efficient and effective. The people of Nigeria and some sub-Saharan African nations can find the contrivance very invaluable.


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