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A Comparative Study on Engine Thermal Management System
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 14, 2020 by SAE International in United States
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As the automotive industry faces tighter fuel economy and emission regulations, it is becoming increasingly important to improve powertrain system efficiency. One of the areas to improve powertrain efficiency is the thermal management system. By controlling how to distribute the heat rejected by the engine, especially during the warm-up stage under cold temperatures, an engine thermal management system can improve the overall energy efficiency of the powertrain system. Conventionally, engine thermal management systems have been operated by a mechanical water pump and a thermostat. However, the recent introduction of electric water pumps and electrically-controlled flow valves allow for more sophisticated control of the thermal management system. In this study, these two different thermal management system architectures are investigated by conducting simulations. Specifically, a vehicle model with a high-fidelity thermal management system is developed and a simple rule-based control algorithm is applied to control the system. Using the system model, multiple drive cycle simulations are conducted and their performances are compared and discussed.
- Yong Sun - Hyundai-Kia America Technical Center, Inc.
- Jason Hoon Lee - Hyundai-Kia America Technical Center, Inc.
- Jinho Ha - Hyundai-Kia America Technical Center, Inc.
- EunKyung Lee - Hyundai-Kia America Technical Center, Inc.
- Samuel Wilson - The University of Alabama
- Hwan-Sik Yoon - The University of Alabama
CitationWilson, S., Yoon, H., Sun, Y., Lee, J. et al., "A Comparative Study on Engine Thermal Management System," SAE Technical Paper 2020-01-0946, 2020, https://doi.org/10.4271/2020-01-0946.
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