Heat management must allow the adjustment of optimal operating temperatures of all components of a vehicle. A comprehensive simulation model will contain all components relevant for heat management. This includes heat sources, heat exchangers, fans etc. Main aspects of the simulation are air flow and heat transfer analysis. It will be shown that a combination of 1- and 3-dimensional methos gives the best results. The use of 1-dimensional methods and mesh flow theory for modeling the underhood air flow of vehicles is a very efficient method. For complex flow patterns however it is desirable to use CFD (Computational Fluid Dynamics) analysis. To serve this demand a procedure was developed to include data of CFD analysis into the 1-dimensional simulation model. Other systems like air conditioning are also integrated in the simulation model. Especially when overall heat management should be analyzed integration of these subsystems is important.
Integration of 1-D and 3-D simulation tools in the field of heat management including typical applications
Integration von 1D- und 3D-Simulationstools auf dem Gebiet der Wärmeführung einschließlich typischer Anwendungsfälle
2000
8 Seiten, 10 Bilder, 5 Quellen
Conference paper
English
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