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Summary & Details

Numerical Study of a Massflow Leak Test Method in a High-Voltage Battery

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Publication code: 20264531

Paper/Info type: International Journal of Automotive Engineering

Vol.17 No.3

Pages: 158-163(Total 6 p)

Date of publication: Jul 2026

Publisher: JSAE

Language: English

Detailed Information

Category(E)	Research paper
Author(E)	1) Matthew Sleight, 2) Stefan Adami, 3) Mathieu Mulmann, 4) Thomas Indinger
Affiliation(E)	1) Technical University of Munich (TUM), 2) Technical University of Munich (TUM), 3) Audi AG, 4) Technical University of Munich (TUM)
Abstract(E)	One of the longest and most complex quality control procedures during high-voltage battery production is the leak test that must be performed on all batteries. The test consists of applying a controlled pressure variation inside the battery. To improve this process, a CFD model was developed, and the different phases of the test were numerically reproduced and then compared with experimental data. The numerical model was used in a simplified setup for validation and then implemented to the battery. The flow inside the battery was studied to identify impacting factors like geometry to increase the test accuracy in future work.

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