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Dualhybrid-Cold Start Performance Study for a HEV with Two Combustion Engines Karlsruhe Institute of Technology
- Format:
- Book
- Conference/Event
- Author/Creator:
- Zhang, Hongyang, author.
- Conference Name:
- SAE WCX Digital Summit (2021-04-13 : Live Online, Pennsylvania, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2021
- Summary:
- The fuel economic and emission performance of an innovative electric hybrid vehicle (HEV), Dualhybrid, with two internal combustion engines (ICEs) under cold start conditions was studied. Sub-models including powertrain, lubrication and cooling system as well as exhaust system were built and integrated into the models of Dualhybrid and two other reference models: Base model and Fullhybrid model.Coupled lubrication and the exhaust systems of the two ICEs are proposed. The effect of the combination of oil heating and electric heating on the fuel consumption of Dualhybrid was investigated. The results show that the coupled lubricating system of Dualhybrid is beneficial to improve the fuel economy in cold start. The method of hybrid heating can provide a sufficient heating power of the cabin in the initial stage of cold start without declining the fuel economic performance significantly. Coupling of exhaust systems shortens the cold start process of the catalysts, allowing Dualhybrid to achieve a better emission performance in cold start. Through the study, Dualhybrid proves to be a clean and efficient HEV concept
- Notes:
- Vendor supplied data
- Publisher Number:
- 2021-01-0396
- Access Restriction:
- Restricted for use by site license
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