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Comparative Analysis of Various Condenser in Vapour Compression Refrigeration System

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.3, No. 9)

Publication Date:

Authors : ; ; ;

Page : 503-515

Keywords : Microchannel; refrigerant; C.O.P.; cooling load.;

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The present work is to analyze performance of refrigeration system on three condensers viz. micro-channel, round tube and coil tube using R134a and R290 refrigerants. These three condensers are kept in parallel with other components of refrigerating unit while construction.The performance of refrigeration system is checked for each condenser at various cooling loads in the range from 175 W to 288 W.The performance of the condenser is measured for whole refrigeration unit in terms of coefficient of performance, efficiency of the system, heat rejection ratio, heat rejected from condenserand heat transfer coefficient. The experimental data of heat transfer coefficient is validated with existing correlation.The result shows that for both refrigerants R134a and R290, coefficient of performance increases with increase in heating load. From the analysis of three condensers, coefficient of performance of refrigeration system using microchannel condenser is more compared to round tube and coil tube condenser. The coefficient of performance of the system with the microchannel condenser is found 15.3% higher than that with the round tube condenser and 8% higher than that with the coil tube condenser. AlsoR134a gives better cooling effect than the R290 for all operating condition.

Last modified: 2014-10-16 22:17:49