Browse Publications Technical Papers 2005-01-2059
2005-05-10

A Fully Transient Model For Advanced Engine Thermal Management 2005-01-2059

Cooling system design has a crucial role in defining engine performance and operational limits. Many further improvements can be obtained both in the precision in controlling temperatures of the various engine parts (especially during transient operation), and in the energy consumption of the system.
Moreover, the warm-up transient can be relevantly reduced producing benefic effects on vehicle emissions and interior conditioning and comfort.
Taking the lead by these considerations, the authors developed an integrated model of an engine cooling system, which is characterized by a complete modularity and permits the simulation of any possible design configuration.
The model acts as a “virtual engine cooling system”: its coupling with simple ECU models permits an off-line evaluation of the efficiency of new control strategies, model-based too.
In this work a novel model for the engine thermal behavior is proposed to be included in the described modeling architecture. The model so makes it possible permit the simulation of fully transient working conditions including those encountered during engine warm-up.

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