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Aerodynamic Drag Analysis of Autonomous Electric Vehicle Platoons

Author

Listed:
  • Sai Teja Kaluva

    (TUMCREATE Limited, 1 Create Way, #10-02 CREATE Tower, Singapore 138602, Singapore)

  • Aditya Pathak

    (TUMCREATE Limited, 1 Create Way, #10-02 CREATE Tower, Singapore 138602, Singapore)

  • Aybike Ongel

    (TUMCREATE Limited, 1 Create Way, #10-02 CREATE Tower, Singapore 138602, Singapore)

Abstract

Vehicle platooning has been proposed as one of the potential technologies for intelligent transport systems to improve transportation and energy efficiency in urban cities. Despite extensive studies conducted on the platooning of heavy-duty trucks, literature on the analysis of urban vehicle platoons has been limited. To analyse the impact of platooning in urban environments, this paper studies the influence of intervehicle distance, platoon size and vehicle speed on the drag coefficient of the vehicles in a platoon using computational fluid dynamics (CFD). Two vehicle models—a minibus and a passenger car—are analysed to characterise the drag coefficients of the respective platoons. An analysis of energy consumption is conducted to evaluate the energy savings with platooning using a longitudinal dynamics simulation. The results showed a reduction in the average drag coefficient of the platoon of up to 24% at an intervehicle distance of 1 m depending on the number of vehicles in the platoon. With a larger intervehicle distance of 4 m, the reduction in the drag coefficient decreased to 4% of the drag coefficient of the isolated vehicle. Subsequently, energy savings with platooning were calculated to be up to 10% depending on the driving cycle, intervehicle distance and platoon size.

Suggested Citation

  • Sai Teja Kaluva & Aditya Pathak & Aybike Ongel, 2020. "Aerodynamic Drag Analysis of Autonomous Electric Vehicle Platoons," Energies, MDPI, vol. 13(15), pages 1-18, August.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:15:p:4028-:d:394330
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    References listed on IDEAS

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    1. Ben D. MacArthur & Richard O. C. Oreffo, 2005. "Bridging the gap," Nature, Nature, vol. 433(7021), pages 19-19, January.
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    1. Carlos Santos-Iglesia & Pablo Fernández-Arias & Álvaro Antón-Sancho & Diego Vergara, 2022. "Energy Consumption of the Urban Transport Fleet in UNESCO World Heritage Sites: A Case Study of Ávila (Spain)," Sustainability, MDPI, vol. 14(9), pages 1-19, May.
    2. Władysław Marek Hamiga & Wojciech Bronisław Ciesielka, 2022. "Numerical Analysis of Aeroacoustic Phenomena Generated by Heterogeneous Column of Vehicles," Energies, MDPI, vol. 15(13), pages 1-37, June.
    3. Jianbo Feng & Yang Chen & Liyang He & Yanxue Wang, 2023. "Controller Design for Optimizing Fuel Consumption of Truck Platoon on Hilly Roads," Sustainability, MDPI, vol. 15(18), pages 1-19, September.
    4. Hesham Ebrahim & Robert Dominy, 2021. "The Effect of Afterbody Geometry on Passenger Vehicles in Platoon," Energies, MDPI, vol. 14(22), pages 1-12, November.

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