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THERMAL ANALYSIS OF TRANSIENT OPERATION OF A SMALL SCALE REFRIGERATION SYSTEM | ||
| Iraqi journal of mechanical and material engineering | ||
| Article 1, Volume 8, Issue 2, 2008, Pages 127-136 | ||
| Authors | ||
| Dr. Adil Abbas Alwan; M.Sc. student Zehra H. Gelham | ||
| Abstract | ||
| An unsteady- state model of vapor compression refrigeration system is presented. Thermal and flow processes occurring in a small-scale refrigeration system have been discussed. A theoretical description of the processes in the system components has been proposed in order to develop a theoretical model of the entire system. Components model include the heat exchangers (condenser and evaporator), expansion valve and compressor. For the condenser and evaporator mathematical model, assume two approaches for homogenous refrigerant, the first approach is the lumped model and the second is distributed model. Experimental investigations are carried out on the laboratory scale system model RCT/EV. The results obtained from the two models prediction are in a good agreement with the experimental results. The system approaches its final steady-state operating condition in a few minutes. | ||
| Keywords | ||
| Refrigeration System; Transient | ||
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