β Scribed by T. Kiatsiriroat; T. Euakit
No coin nor oath required. For personal study only.
In this research work, the performance of the vapour compression system of an automobile with R22/R124/R152a refrigerant mixture is studied. A mathematica1 model of each component is developed and used to simulate the system performance.
The vehicle has an engine of 1300 cc capacity and the heat exchanges at the evaporator and the condenser are undertaken with water streams at different temperatures.
The simulated results agree wel1 with those of the experiments. Performance of the system is also simulated at different working conditions.
It was found that as the mass fraction of R22 decreased the system COP and EER increase and when the mass fraction was less then 30% the performance slightly increased.
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