Numerical Optimization of Battery Heat Management of Electric Vehicles
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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JR_JACM-9-4_014
تاریخ نمایه سازی: 19 شهریور 1402
Abstract:
Lithium-ion battery technology in the modern automotive industry utilizes highly temperature-sensitive batteries. Here, air cooling strategies will be the most applicable for the chosen example based on strategies for temperature control. Simulations have been utilized to evaluate the different thermal management strategies. A battery model was developed using the solutions offered by Computational Fluid Dynamics (CFD) simulation technology. It utilizes the heat produced by the discharge of the battery cells. Due to the simulation's limited computational capacity, the energy transfer model was implemented with a simplified but sufficiently complex physical mesh. Ten actual measurements were conducted in the laboratory to investigate the heating of the cell during the charging and discharging of ۱۸۶۵۰-type batteries. The results were applied to validate the simulation model. The simulation outcomes and thermal camera readings were compared. The cell-level numerical model was then extended to examine the temperature variation at the system level. The primary design objective is to achieve the highest energy density possible, which necessitates that the cells be constructed as closely as possible; however, increasing the distance between the cells can provide superior cooling from a thermal management perspective. The effect of varying the distance between individual cells on the system's heating was analyzed. Greater distance resulted in a more efficient heat transfer. It was also discovered that, in some instances, a small distance between cells produces inferior results compared to when constructed adjacently. A critical distance range has been established based on these simulations, which facilitates the placement of the cells.
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Authors
Szabolcs Kocsis Szürke
Central Campus Győr, Széchenyi István University, ۹۰۲۶ Győr, Hungary
Gábor Kovács
Central Campus Győr, Széchenyi István University, ۹۰۲۶ Győr, Hungary
Mykola Sysyn
Department of Planning and Design of Railway Infrastructure, Institute of Railway Systems and Public Transport, Technical University of Dresden, ۰۱۰۶۹ Dresden, Germany
Jianxing Liu
School of Civil Engineering, Southwest Jiaotong University, Chengdu ۶۱۰۰۳۱, China
Szabolcs Fischer
Central Campus Győr, Széchenyi István University, ۹۰۲۶ Győr, Hungary
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