汽車排氣消聲器的正向設(shè)計(jì)研究
[Abstract]:In order to realize the forward design of automobile exhaust muffler, this paper puts forward the development idea of muffler: firstly, from analyzing the design objective to determining the overall scheme, then to the specific design route, combining with Virtual.Lab Acoustics, Numerical analysis software GT-Power and Fluent and engine bench test. Then the design of the main muffler, the auxiliary muffler, the acoustic performance, the flow field and other properties are given priority to. Through the analysis of the muffling frequency, the silencing structure is designed and combined step by step, and the feasibility of the design is preliminarily judged by comparing the muffler scheme with the muffler scheme provided by the enterprise. Finally, the comprehensive performance of the muffler design scheme is verified by experiments to achieve the design goal, which indicates the rationality of the forward development idea of the muffler proposed in this paper, and has practical value in the design and development of the automobile exhaust muffler.
【作者單位】: 華南理工大學(xué)機(jī)械與汽車工程學(xué)院;
【基金】:國家自然科學(xué)基金(51375168)
【分類號(hào)】:U464.134.4
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