Automotive Innovation ›› 2023, Vol. 6 ›› Issue (2): 244-255.doi: 10.1007/s42154-023-00216-5
Numerical Study of Heat Transfer Enhancement in the Electric Vehicle Battery via Vortex-Induced Agitator
Yubo Lian1 · Yinsheng Liao1 · Jianjian Liu1 · Zhiming Hu1 · Haolun Xu1
- 1 BYD Auto Industry Company Limited , 518118 Shenzhen , China
Numerical Study of Heat Transfer Enhancement in the Electric Vehicle Battery via Vortex-Induced Agitator
Yubo Lian1 · Yinsheng Liao1 · Jianjian Liu1 · Zhiming Hu1 · Haolun Xu1 #br#
- 1 BYD Auto Industry Company Limited , 518118 Shenzhen , China
摘要： Convective heat transfer plays an important role in the development of a high-performance battery cell. Electric vehicles
carry a large amount of the battery cells to reach a longer range of endurance mileage. Thermal diffusion around the battery
cells can be considered as obstacles to improve the convective heat transfer coefficient. In this paper, a novel agitator taking
advantage of strong vortices is designed to disrupt the thermal boundary layer around the battery cells, thereby improving
the fluid mixing for enhanced convective heat transfer. A fluid–structure interaction algorithm is developed to simulate the
convective heat transfer rate at various flapping motion. Under the comparison with clean channel, the vortex-induced vibration by the agitated beam can increase the average Nusselt number by 119.59%. This research can be applied to optimize the thermal-structure design inside the electric vehicle battery.