Automobile idling exhaust noise optimization method, storage medium and electronic equipment

The invention relates to an automobile idling exhaust noise optimization method, a storage medium and electronic equipment. The optimization method comprises the following steps: step 1, testing the idling noise of a whole automobile; 2, testing the flow and the temperature of an inlet of an idle ex...

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Hauptverfasser: YIN SHUANG, GONG KAI, DU SHICAI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to an automobile idling exhaust noise optimization method, a storage medium and electronic equipment. The optimization method comprises the following steps: step 1, testing the idling noise of a whole automobile; 2, testing the flow and the temperature of an inlet of an idle exhaust pipe of the whole vehicle; 3, CFD analysis and boundary condition extraction of the exhaust system; 4, analyzing and optimizing noise transmission loss of the exhaust system; and 5, sample piece manufacturing and real vehicle test verification are carried out. According to the method, the influence of the exhaust system temperature and the exhaust flow rate on the acoustic characteristics of the exhaust system is considered, accurate prediction and optimization can be carried out, the optimization efficiency can be improved, the optimization effect can be enhanced, and the optimization time and cost can be saved. 本发明涉及一种汽车怠速排气噪声优化方法、存储介质和电子设备,优化方法包括以下步骤:步骤1、整车怠速噪声测试;步骤2、进行整车怠速排气管入口流量及温度测试;步骤3、排气系统CFD分析及边界条件提取