Energy and exergy analysis of a refrigeration system with shell and tube heat exchanger using R404A [Gövde borulu isi deǧi̇şti̇ri̇ci̇li̇ R404A kullanilan bi̇r soǧutma si̇stemi̇ni̇n enerji̇ ve ekserji̇ anali̇zi̇]

In this study,energy and exergy analyses of a refrigeration system with shell and tube heat exchanger using alternative refrigerant r404 were carried out and first law efficiencies,exergy efficiencies and irreversibility rates were determined. for this aim,an experimental refrigeration system using shell and tube heat exchanger for evaporator was built up. in these experiments,evaporator temperature was varied between -23 °c to -1 °c,refrigerant mass flow rate was varied between ranged 0.01 to 0.04 kg/s and cooling water mass flow rate was varied between 0.1 to 0.35 kg/s. carried out thermodynamic analyses using the values obtained from the of the measurements were given in tables and graphics. according to exergy analyses,the biggest irreversibility was occurred in compressor followed by condenser,evaporator and expansion valve. ©2008 tibtd printed in turkey.