| Issue |
E3S Web Conf.
Volume 261, 2021
2021 7th International Conference on Energy Materials and Environment Engineering (ICEMEE 2021)
|
|
|---|---|---|
| Article Number | 02018 | |
| Number of page(s) | 4 | |
| Section | Energy Chemistry Performance and Material Structure Analysis | |
| DOI | https://doi.org/10.1051/e3sconf/202126102018 | |
| Published online | 21 May 2021 | |
Based on The Gate Bottom Edge Structures Specific Numerical Simulation of Flow Pattern of Gate
1
College of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou, 450001, China;
2
Henan Intelligent Manufacturing Research Institute, Zhengzhou, 450001, China
* Corresponding author: 350678384@qq.com
The bottom edge structure is a key factor affecting the flow pattern under the gate. The reasonable selection of bottom edge configuration plays an important role in the safe and stable operation of the gate. RNG k-ɛ model is used to simulate the gate water area. Through numerical simulation, the pressure cloud map and pressure data of monitoring points of water area under the gate are fully simulated. Influence of bottom edge structure on flow pattern. The results show that only the flat bottom gate always has negative pressure zone directly below the bottom edge, and the other three structures have no obvious negative pressure zone and move around the downward inclination Angle with time. According to the analysis of the characteristics of upper support and suction, it can be concluded that the upper support force increases with the increase of the front rake angle, and the upper support force of the flat-bottom gate is negative, showing the characteristics of suction.
© The Authors, published by EDP Sciences, 2021
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