Modeling, Simulation and Evaluation of a Cooler Model in Modelica using Dymola

In this work a cooler of an internal combustion engine was modeled and evaluated. The model of the cooler was integrated in a simulation model of the entire vehicle. The cooler and the components of the vehicle were physically implemented in Modelica using Dymola. The developed models in Modelica were realized with time domain differential equations. All parameters of the developed models were defined by the mechanical, thermal and geometrical data of the vehicle components. A conventional all-wheel drive vehicle with manual transmission was measured and simulated. The detailed implementation of the cooler components in Modelica will be explained. The behaviour and the physically modeling of the cooler solid and the used media models are presented. The inlet and outlet temperature comparison of the used media (coolant) between the measurement and the simulation will be shown.