About the project

Refrigerators both commercial and domestic are responsible for much of the global energy consumption seen that hundreds of millions are in operation worldwide, and tens of millions entering the market each year. The knowledge of the operational characteristics of a cooling system is of utmost importance when it comes to energy consumption, not only to predict system performance, but also to optimize the combination of cycle components during the design phase. The choice and coupling of the components and obtaining power consumption of a refrigerator usually require performing standard tests that are expensive and costly.

In order to accelerate the development of existing and new refrigerators to improve performance coolers, simulation models based on physical laws can be used to predict the thermal and hydrodynamic behavior of the same. Over the years, the POLO developed numerical approaches ranging from the most simplified on a permanent basis with global and one-dimensional models to more sophisticated in transient with discretized and three-dimensional models for each component. In these, each component is simulated individually, and all are coupled so that the refrigeration cycle can be evaluated as a whole. All developed models have been adequately validated against a broad base of experimental data and their algorithms can be easily deployed across multiple platforms such as Fortran, EES, Modelica, etc.

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