Optimization design of air filter and integrated device for roots blower

Mei Qi; Lei Liu; Qing-guang Chen; Cheng Lu; Wen-yi Chen

doi:10.1117/12.2625420

12 December 2021 Optimization design of air filter and integrated device for roots blower

Mei Qi, Lei Liu, Qing-guang Chen, Cheng Lu, Wen-yi Chen

Proceedings Volume 12127, International Conference on Intelligent Equipment and Special Robots (ICIESR 2021); 1212704 (2021) https://doi.org/10.1117/12.2625420
Event: International Conference on Intelligent Equipment and Special Robots (ICIESR 2021), 2021, Qingdao, China

Abstract

In order to ensure the safe, efficient and low-noise operation of the Roots blower, this paper is based on a preliminary design of an air filter and muffler integrated device including an air filter and an air intake muffler. The FEM method and CFD method are used to numerically simulate its acoustic performance and aerodynamic performance. Taking the transmission loss and pressure loss at the inlet airflow velocity of 21m/s as the optimization goals, under the premise of without changing its external dimensions, the main internal structural parameters such as filter element thickness, insertion method of intubation, diameter of perforated pipe, and effective perforation length are optimized by orthogonal test design method. The sequence of structural factors that affect the overall performance of the air filter and muffler integrated device is obtained, and the optimal combination of main structural parameters is determined. Based on the optimal model obtained by the orthogonal test, the design of the length of the intubation of the air filter and muffler integrated device is optimized to obtain the best combination plan. The results show that the structural parameters are optimized through orthogonal tests, the overall performance of the air filter and muffler integrated device after optimization is significantly improved, the amount of overall noise reduction is increased by 18% , and the pressure loss is reduced by 20% on average compared with the original model.

Citation Download Citation

Mei Qi, Lei Liu, Qing-guang Chen, Cheng Lu, and Wen-yi Chen "Optimization design of air filter and integrated device for roots blower", Proc. SPIE 12127, International Conference on Intelligent Equipment and Special Robots (ICIESR 2021), 1212704 (12 December 2021); https://doi.org/10.1117/12.2625420

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KEYWORDS

Acoustics

Resistance

Instrument modeling

Aerodynamics

Denoising

Optimization (mathematics)

Protactinium

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