Development of the Enhanced Vehicle and Engine Cooling System Simulation and Application to Active Cooling Control
Date Published: 2005-04-11
Paper Number:2005-01-0697
DOI: 10.4271/2005-01-0697
Citation:
Luptowski, B., Arici, O., Johnson, J., and Parker, G., "Development of the Enhanced Vehicle and Engine Cooling System Simulation and Application to Active Cooling Control," SAE Technical Paper 2005-01-0697, 2005, doi:10.4271/2005-01-0697.
The increasing complexity of vehicle engine cooling systems results in additional system interactions. Design and evaluation of such systems and related interactions requires a fully coupled detailed engine and cooling system model. The Vehicle Engine Cooling System Simulation (VECSS) developed at Michigan Technological University was enhanced by linking with GT-POWER for the engine/cycle analysis model. Enhanced VECSS (E-VECSS) predicts the effects of cooling system performance on engine performance including accessory power and fuel conversion efficiency. Along with the engine cycle, modeled components include the engine manifolds, turbocharger, radiator, charge-air-cooler, engine oil circuit, oil cooler, cab heater, coolant pump, thermostat, and fan. This tool was then applied to develop and simulate an actively controlled electric cooling system for a 12.7 liter diesel engine.
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