Liquid-Cooled Battery Thermal Management System: A Numerical Investigation of Effect of Coolant Path and Flow Rate Optimization

Year : 2023 | Volume : 11 | Issue : 08 | Page : –

    Giphin George


Battery thermal management system (BTMS) is crucial for ensuring the safety and performance of battery packs in electric vehicles. Liquid cooling is one of the most effective methods for BTMS, but the choice of coolant, fluid path and its flow rate can affect the heat transfer efficiency and the pressure drop. In this paper, a numerical simulation of a liquid-cooled BTMS using three designs with water as a coolant has been carried out. The Reynolds number of the fluid was kept as 800 and 2400 at the inlet of the cooling plate channel with heat flux boundary condition of 500 W/m2 on the top face. It was supposed that a battery pack is run for 1000 seconds and the heat generated by the battery is transferred to the coolant through convection. Finally, a comparison of the temperature distribution of coolant, temperature of the cooling plate was analyzed. As a result, it was found that increasing the Reynold’s Number cooling plate temperature and the coolant temperature difference. The fluid path and the outlets also affect the rate of heat transfer along the cooling plate.

Keywords: Thermal management, Liquid cooling, Design Optimization, Micro channel

This article belongs to Special Issue Conference International Conference on Innovative Concepts in Mechanical Engineering (ICICME – 2023)

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Conference Open Access Original Research
Volume 11
Issue 08
Received August 18, 2023
Accepted September 11, 2023
Published September 22, 2023