Vehicle Battery Cooling Simulation for Vehicle Range Studies with Passenger Comfort Requirements




This document explores the influence on the battery operation and vehicle range from battery operating temperature and demands from running air conditioning (passenger comfort) systems . Its discusses studies undertaken by work between the Institute of Internal Combustion Engines and Automotive Engineering at the University of Stuttgart and the Center for Solar Energy and Hydrogen Research in Baden Wýrttemberg.

The article focuses on development of a thermal and cooling system model for energy management studies for driving range, passenger comfort and battery temperature using several NEDCs (New European Driving Cycle s) as a base for transient studies. The development of a simulation model and assumptions is detailed. This included a vehicle thermal management model and battery sub system modeled using Flowmaster, 1D system level fluid simulation software, operating in a co-simulation with Matlab/Simulink for overall drive cycle simulation control and inputs such as power modules heat flux calculation.

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