Battery thermal management by CFD

Ng, Che Han (2019) Battery thermal management by CFD. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The aim of this study is to compare the cooling effect of a liquid flow channel with different types of inner edge on the battery surface. The numerical study was performed using ANSYS FLUENT. A geometric model of cuboid-shaped battery with two tabs was created. Cooling plate with the fluid channel was attached on both sides of the battery cell. The flow channel with a sharp edge was compared with the one with 5mm and 10mm fillet corner. The simulation of the battery was carried out by using Multi-Scale Multi-Domain (MSMD) method, which was provided in ANSYS FLUENT. All three cases were simulated under the same operational condition. The results showed that the fluid channel with fillet corner gives a neglectable small temperature different on battery cell. This may due to the velocity is not high enough to have a presence of separation region in sharp edge case or fillet corner and mesh size generated may also not small enough to capture the detailed result.

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