Features of development of the mathematical model of the electric motorcycle thermal regulation system

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BACKGROUND: Use of thermal regulation systems is necessary to maintain the required temperature range of electrical components of electric vehicle. Even at the design stage of the vehicle, the being developed mathematical model of the thermal regulation system helps to determine the necessary parameters of the thermal regulation system, to select algorithms for controlling the system and to calibrate the developed algorithm to ensure the necessary heat removal from electrical components.

AIM: Development of a mathematical model of the thermal regulation system of an electric motorcycle, aimed at determining the potential capabilities of optimizing the system by controlling the air flow through the radiator.

METHODS: The mathematical model is built in the AVL Cruise software environment. The properties of the components included in the model were obtained as a result of laboratory studies and supplemented with the equilibrium equations of power at the inputs and outputs taking into account their efficiency.

RESULTS: Using the developed model of the radiator of the thermal regulation system, the temperature graphs of the electric motor and the inverter of the electric motorcycle during the driving cycle were obtained. It is noted that the applied thermal regulation system is capable of maintaining the temperature of electric components in the specified range.

CONCLUSIONS: The mathematical model of the radiator of the thermal regulation system proposed in this paper makes it possible to carry out calculations of the system at the stage of design of electric vehicles. In addition, the model has a potential for further development aimed to fuller determination of the parameters of the thermal regulation system, including the thermal efficiency.

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作者简介

Sergey Bazavluk

Central Scientific Research Automobile and Automotive Engines Institute NAMI

编辑信件的主要联系方式.
Email: sergey.bazavluk@nami.ru
ORCID iD: 0009-0002-6299-8489
SPIN 代码: 8292-3455

1st grade Design Engineer of the Power Units Center

俄罗斯联邦, 2 Avtomotornaya street, 125438 Moscow

Rinat Kurmaev

Central Scientific Research Automobile and Automotive Engines Institute NAMI

Email: rinat.kurmaev@nami.ru
ORCID iD: 0000-0001-7064-0466
SPIN 代码: 6483-2444

Associate Professor, Cand. Sci. (Engineering), Director of the Research and Education Center

俄罗斯联邦, 2 Avtomotornaya street, 125438 Moscow

Vladimir Struchkov

Central Scientific Research Automobile and Automotive Engines Institute NAMI

Email: v.struchkov@nami.ru
ORCID iD: 0000-0003-1555-1596
SPIN 代码: 8987-5789

Head of Department

俄罗斯联邦, 2 Avtomotornaya street, 125438 Moscow

Anastasia Gavrilova

Central Scientific Research Automobile and Automotive Engines Institute NAMI

Email: anastasiya.gavrilova@nami.ru
ORCID iD: 0009-0008-5642-6453
SPIN 代码: 2177-3929

2nd grade Design Engineer of the Power Units Center

俄罗斯联邦, 2 Avtomotornaya street, 125438 Moscow

参考

  1. Biksaleev R.Sh., Karpukhin K.E., Klimov A.V., Malikov R.R. Simulation model of the traction battery thermostating system with passive cooling. Proceedings of NAMI. 2020;4(283):42–51. (In Russ). doi: 10.51187/0135-3152-2020-4-42-51 EDN QKYUJK
  2. Kim J., Oh J., Lee H. Review on battery thermal management system for electric vehicles. Applied Thermal Engineering. 2019;149(25):192–212.
  3. Yakubovich AI, Kukharenok GM, Tarasenko VE. Cooling systems of tractor and automobile engines. Investigations, parameters and indicators. Minsk: BNTU, 2014. (In Russ).
  4. Kulikov IA, Karpukhin KE. Studying Energy Efficiency of Thermal Management Systems Designed for Electric Vehicles with In-Wheel Motors. International Journal of Emerging Trends in Engineering Research. 2020;8(6):265–42662. doi: 10.30534/ijeter/2020/71862020
  5. Petrov AP, Sinitsyn SN, Bannikov SN. Mathematical model of the air path with air intake holes of the engine cooling system. In: Automotive industry: design, construction, calculation and repair and production technologies. Izhevsk: INNOVA, 2014:55–61. (In Russ).
  6. Wagner J, Miller RS, Naini ShSh, Huang J. A Hybrid Electric Vehicle Motor Cooling System — Design, Model, and Control. IEEE Transactions on Vehicular Technology. 2019;68(5). doi: 10.1109/TVT.2019.2902135
  7. Voronin AV. Modeling of mechatronic systems. Tomsk: Izd-vo Tomsk Polytechnic University, 2008. (In Russ).
  8. Kulikov IA, Karpukhin KE, Kurmaev RKh. X-in-the-Loop Testing of a Thermal Management System Intended for an Electric Vehicle with In-Wheel Motors. Energies. 2020;13(23):6452. doi: 10.3390/en13236452

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2. Fig. 2. Scheme of the mathematical model (upper level).

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3. Fig. 3. The mathematical model of the radiator in the AVL Cruise.

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4. Fig. 4. Dependence of heat transfer on airflow rate through the radiator at different coolant flow rates.

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5. Fig. 5. The electric motorcycle velocity graph.

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6. Fig. 6. The electric motor temperature graph.

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7. Fig. 7. The inverter temperature graph.

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8. Fig. 1. Circuits of the electric motorcycle thermal regulation system: a — the cooling circuit of the power drive, b — the cooling circuit of the traction battery.

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