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A COMPARATIVE STUDY ON THE PERFORMANCE OF THE DOMESTIC REFRIGERATOR USINGR600A AND LPG WITH VARYING REFRIGERANT CHARGE AND CAPILLARY TUBE LENGTH

Oyedepo, Sunday Olayinka and Fagbenle, R. O. and Babarinde, T.O. and Odunfa, K. M. and Leramo, R.O. and Ohunakin, O.S. and Ajayi, O. O. and Babalola, P.O. and Kilanko, O. O and Oyegbile, A.D and Lawson-Jack, D (2017) A COMPARATIVE STUDY ON THE PERFORMANCE OF THE DOMESTIC REFRIGERATOR USINGR600A AND LPG WITH VARYING REFRIGERANT CHARGE AND CAPILLARY TUBE LENGTH. International Journal of Energy for a Clean Environment, 18 (4). pp. 287-302.

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Abstract

A comparative experimental study on the performance of a domestic refrigerator using R600A and LPG with a varying refrigerant charge (wr) and capillary tube length (L) was carried out. The enthalpy of the refrigerants R600A and LPG for each data set for the experimental conditions were obtained by using REFPROP soft ware (version 9.0). The results show that the design temperature and pull-down time set by ISO for a small refrigerator are achieved earlier using refrigerant charge 60 g of LPG with a 1.5 m capillary tube length. The highest COP (4.8) was obtained using 60-g charge of LPG with L of 1.5-m. The average COP obtained using LPG was 1.14% higher than that of R600A. Based on the result of electric power consumption, R600A off ered lowest power consumption. The compressor consumed 20% less power compared to LPG in the system. The system performed best with LPG in terms of COP and cooling capacity, while in terms of power consumption R600A performed best.

Item Type: Article
Uncontrolled Keywords: cooling capacity, refrigeration system, COP, refrigerant charge, capillary tube length, power consumption
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User: Mrs Hannah Akinwumi
Date Deposited: 23 Mar 2018 12:00
Last Modified: 23 Mar 2018 12:00
URI: http://eprints.covenantuniversity.edu.ng/id/eprint/10486

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