Numerical Simulation Study on Air Filter Forward Intake System for
Heavy Truck

doi:10.3969/j.issn.1674-0696.2020.02.21

Journal of Chongqing Jiaotong University(Natural Science) ›› 2020, Vol. 39 ›› Issue (02): 138-144.DOI: 10.3969/j.issn.1674-0696.2020.02.21

• Vehicle &Electromechanical Engineering • Previous Articles

Numerical Simulation Study on Air Filter Forward Intake System for Heavy Truck

WANG Renren1, SHI Pidong2, CAO Fang2, LIU Zhihao2

(1. School of Electrical Engineering and Automation, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250300, Shandong, China；2. School of Mechanical and Automotive Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250300, Shandong, China)

Received:2018-11-08 Revised:2019-03-19 Online:2020-02-20 Published:2020-02-20

重型卡车空气滤清器前进气系统数值模拟研究

王仁人1，时丕东2，曹芳2，刘志浩2

(1.齐鲁工业大学(山东省科学院)电气工程与自动化学院，山东济南 250300； 2. 齐鲁工业大学(山东省科学院)机械与汽车工程学院，山东济南 250300)

作者简介:王仁人(1962—)，男，山东寿光人，教授，博士，主要从事内燃机节能与排放方面的研究。E-mail：wrr@qlu.edu.cn。通信作者：时丕东(1994—)，男，山东菏泽人，硕士研究生，主要从事发动机进排气系统方面的研究。E-mail：1410425716@qq.com。
基金资助:
济南市高校自主创新计划项目(201004016)；山东省重点研发计划项目（2019GGX104104）

Abstract

Abstract: The internal 3D fluid model of the forward intake system of the heavy truck air filter was built. By using the two-phase coupling method of computational fluid dynamics, the effects of different structures, single blade channel and blade axle on the flow field characteristics and filtration efficiency of the forward intake system were studied, and the parameters of the forward intake system were optimized. The research shows that: with the increase of the geometric diameter parameters of the blade axle, the overall average pressure drop trends to increase slowly first and then rise suddenly; the filtration efficiency shows a trend of high and low bimodal changes. Finally, when the geometric diameter parameter of the blade axle is 57.78mm, the particle efficiency is significantly improved and the filtration efficiency is increased by 10.07%, compared with the original structure.

Key words: vehicle engineering, heavy truck, air filter, forward intake system, discrete phase model, structure optimization

摘要： 建立了重型卡车空气滤清器前进气系统内部三维流域模型。采用计算流体动力学两相耦合的方法，研究了不同结构、单叶片流道、叶片轮轴对前进气系统流场特性和过滤效率的影响，优化了前进气系统的参数。研究表明：随着叶片轮轴几何直径参数的增加，整体平均压力降呈现先缓慢上升后突然升高的趋势；滤清效率呈现一高一低双峰变化的趋势。最终确定最优结构为叶片轮轴几何直径参数为57.78 mm时，粒级效率较原结构明显提高，滤清效率较原结构提高10.07%。

关键词: 车辆工程, 重型卡车, 空气滤清器, 前进气系统, 离散相模型, 结构优化

CLC Number:

WANG Renren1, SHI Pidong2, CAO Fang2, LIU Zhihao2. Numerical Simulation Study on Air Filter Forward Intake System for Heavy Truck[J]. Journal of Chongqing Jiaotong University(Natural Science), 2020, 39(02): 138-144.

王仁人1，时丕东2，曹芳2，刘志浩2. 重型卡车空气滤清器前进气系统数值模拟研究[J]. 重庆交通大学学报（自然科学版）, 2020, 39(02): 138-144.

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Numerical Simulation Study on Air Filter Forward Intake System for Heavy Truck

重型卡车空气滤清器前进气系统数值模拟研究

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