| 刘诗嘉,胡习之,朱富贵.汽车排气消声器的正向设计研究*[J].,2016,35(5):447-456 |
| 汽车排气消声器的正向设计研究* |
| Research on Positive Design of Automotive Exhaust Muffler |
| 投稿时间：2016-01-10 修订日期：2016-08-19 |
| 中文摘要: |
| 以实现汽车排气消声器的正向设计为目的,提出消声器的开发思路：采用从分析设计目标到确定总体方案,再到具体设计的路线,结合Virtual. Lab Acoustics、GT-Power和Fluent等数值分析软件与发动机台架试验,以主消声器的设计为主,副消声器的设计为辅；以声学性能为主,流场及其他性能为辅,通过对消声频率的分析,逐级设计消声结构并进行组合、验证和改进,并在与企业提供的消声器方案进行对比后初步判断设计方案的可行性,最后通过实验验证了消声器设计方案的综合性能达到设计目标,表明了本文提出的消声器正向开发思路的合理性,在汽车排气消声器的设计开发上具有实用价值。 |
| 英文摘要: |
| In order to realize the goal of positive design for automotive exhaust muffler, a train of thought was put forward. It goes from the analysis of design goal to overall program and then to the specific design, combined Virtual. Lab Acoustics、GT-Power、Fluent with engine bench test. It gives priority to main muffler, and the deputy muffler will supplement it. The acoustic performance will also be given priority, and the flow field performance and others will be put on the next. Through the analysis of the frequency of noise elimination, the muffler structures are designed and combined step by step, which will be validated and improved at the same time. After finishing the design, a compare between the designed muffler and the muffler provided by the enterprise showed that the designed muffler is feasible. At last, an engine bench test verified that the designed muffler met the design goals, which also indicated that the positive design method in this paper is reasonable. This method will have some practical value in the design of automotive exhaust muffler. |
| DOI：10.11684/j.issn.1000-310X.2016.05.010 |
| 中文关键词: 消声器 正向设计 台架试验 声学性能 流场性能 |
| 英文关键词: muffler positive design engine bench test acoustic performance flow field performance |
| 基金项目:国家自然科学基金(51375168) |
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