ABSTRACT This article proposes a new type of spoiler structure to improve the heat dissipation performance of battery packs. The influences of the spoiler number n , spoiler length d , and spoiler width w in the waist‐hole shaped spoiler structure on the maximum temperature, power consumption, and total deformation are analyzed. The results show that the addition of the waist‐hole shaped spoiler structure is more beneficial than the non‐spoiler structure on the heat dissipation performance of the battery pack, and it has higher structural strength. At inlet mass flow rates of 0.1 kg/s for the waist‐hole shaped spoiler structure, the maximum temperature decreased by 5.48 K (8.60%) compared with original structure. In addition, the number of spoiler n , the length of spoiler d , and the width of spoiler w have a significant impact on the heat dissipation performance of the battery. This work has reference significance for the flow passage structural design of power battery packs.
Tang et al. (Sat,) studied this question.
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