关于汽车风噪的A柱气流分离及解决思路  

A-pillar Flow Separation and its Solution for Vehicle Wind Noise

作　　者：乔博磊 李振超 刘烁 Qiao Bolei;Li Zhenchao;Liu Shuo(Great Wall Motor Co.,Ltd.,Hebei Province Automotive Innovation and Technology Center,Baoding 071000)

机构地区：[1]长城汽车股份有限公司,河北省汽车技术创新中心,保定071000

出　　处：《中国汽车(中英文对照)》2025年第1期46-51,共6页China Auto

摘　　要：汽车风噪是影响高速驾驶舒适性的主要因素之一,而A柱又是影响风噪的主要因素之一,前期设计过程中,通常会遇到A柱气流分离情况。本文对直接气流分离、气流分离再附着、侧风气流分离等几种常见的A柱气流分离状态进行了分析,阐述了气流分离机理,并给出了整改意见,为后续车型开发提供技术支持。Wind noise is a significant factor affecting driving comfort at high speeds,and the A-pillar is one of the key contributors to this issue.During the initial design phase,A-pillar flow separation is a common challenge.This article analyzes several typical A-pillar flow separation scenarios,such as direct flow separation,flow separation and reattachment and crosswind flow separation,elucidates the underlying mechanism,and proposes remedial measures as a technical support for the development of low wind noise vehicle.

关 键 词：风噪 A柱 气流分离 

分 类 号：U46[机械工程—车辆工程]