| Visual Analysis of Flow Field in Air Inlet Section of Spring Vent |
| Received:June 08, 2017 Revised:June 08, 2017 |
| DOI：10.12136/j.issn.1000-890X.2019.01.0041 |
| Key Words: air-out of tire mould；spring vent；flow field；CFD analysis；axial aerodynamic force |
| Author Name | Affiliation | E-mail | | HU Haiming | Qingdao University of Science and Technology | | | XU Yongtao* | Qingdao University of Science and Technology | 1097784777@qq.com | | XU Fangxin | Qingdao University of Science and Technology | |
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| Abstract: |
| The finite element model of flow field in the air inlet section of spring vent was established by CFX software. The velocity field distribution，pressure field distribution and air outlet flow curve of the channel flow field were analyzed by computational fluid dynamics（CFD）. The simulation results showed that the right-angle transition of stem conical and cylindrical surface changed to arc transition（R＝0. 3 mm），the channel bend vortex was eliminated，the outlet flow rate increased by 22. 5% to 1.74×10-4 kg·s-1，and the maximum axial aerodynamic force was reduced by 29. 4% and down to about 1. 2 N. |
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