Paper
25 October 2023 Calculation and simulation on pressure drop variation of cylindrical acetate fiber filter materials
Hao Wang, Yueming Xu, Jiao Xie, Han Zheng, Zhenhua Yu, Xixuan Wang, Liwei Li, Jiang Yu, Tao Wang, Ying Zhang, Jianbo Zhan
Author Affiliations +
Proceedings Volume 12801, Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023); 128015D (2023) https://doi.org/10.1117/12.3007016
Event: Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023), 2023, Dalian, China
Abstract
The pressure drop of cylindrical acetate fibers is one of the most important physical indicators affecting the adsorption performance of filter materials. In order to analyze the change law of pressure drop when the gas passes through the cylindrical acetate fiber, the geometric modeling of the cylindrical acetate fiber gas channel was constructed by using the ANSYS software, the geometric modeling of the cylinder filter material was meshed, and the gas flow law was simulated by using the Fluent software. The results showed that the gas flows into the cylindrical acetate fiber in a conical shape, and the changes in gas pressure and temperature are consistent and also show a conical shape. The center velocity is the highest and continuously decreases along the radial direction. At 1.2 seconds, the gas flow rate is the fastest, which is consistent with the change in the velocity UDF equation. A calculation method for obtaining the pressure drop of cylindrical acetate fibers at any position through proportional segmentation method was proposed. This method avoids the use of split filter rods, with an error of less than 5%, which improves the calculation efficiency, making it easy to apply in other filter materials.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Hao Wang, Yueming Xu, Jiao Xie, Han Zheng, Zhenhua Yu, Xixuan Wang, Liwei Li, Jiang Yu, Tao Wang, Ying Zhang, and Jianbo Zhan "Calculation and simulation on pressure drop variation of cylindrical acetate fiber filter materials", Proc. SPIE 12801, Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023), 128015D (25 October 2023); https://doi.org/10.1117/12.3007016
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KEYWORDS
Tunable filters

Optical filters

Modeling

Particles

Standards development

Computer simulations

Resistance

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