Research on Structural Parameter Design Based on Thermal Simulation for High Density Displacement Power Battery Box
[1]Zhang Sanchuan,Miao Shuaibin.Research on Structural Parameter Design Based on Thermal Simulation for High Density Displacement Power Battery Box[J].Journal of Zhengzhou University (Engineering Science),2020,41(03):37-41.[doi:10.13705/j.issn.1671-6833.2019.05.020]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
41
Number of periods:
2020 03
Page number:
37-41
Column:
Public date:
2020-07-29
- Title:
- Research on Structural Parameter Design Based on Thermal Simulation for High Density Displacement Power Battery Box
- Keywords:
- pure electric vehicles; Power battery box; Compact design; runner parameters; Thermal simulation analysis
- CLC:
- -
- DOI:
- 10.13705/j.issn.1671-6833.2019.05.020
- Abstract:
- In order to solve the problem of compact layout design of the internal battery module of electric vehicle battery enclosure, the thermal simulation method was used to study the dimensional parameters (column distance, line spacing, margin, entrance and exit diameter) of the flow channel formed between the battery modules and the heat dissipation effect in the battery enclosure. The relationship between the highest temperature, the highest temperature difference and the characteristic dimensions of the internal arrangement of the battery box is established. The application example shows that the error between the calculation result of the compact design formula and the thermal simulation result is less than 5%, which meets the engineering needs and can guide related research. The size of the margin of the local battery box is optimized; the number and radius of the rounded corners of the battery box are optimized. When the battery box adopts the final optimized structural parameters (Di=120mm), the maximum temperature of the battery box drops by 8.77%, the maximum temperature difference decreases by 3.88%,the area of high temperature area above 32.5 °C ST32.5 decreased by 65.68%,, and the ST30 decreases by 60.77%. When cooled by 15m/s wind speed, the maximum temperature dropped to 28.63 °C, and the maximum temperature difference was less than 5 °C.
- References:
- -
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Last Update:
2020-07-29