设计高消声性能、低压力损失的抗性消声器已成为目前进排气噪声控制的重要课题。
Designing a resistance muffler with high anechoic performance and low pressure loss has become an important subject on intake and exhaust noise control.
针对抗性消声器中扩张结构和尾管引起的射流噪声问题，建立了低马赫数射流噪声有限元分析模型。
Aimed at the jet noise which is induced by the expand structure and tail tube in the resistant muffler, a finite element model at low Mach number was developed.
研究结果表明，三维声学边界元模型是抗性结构消声器声场分析的有效方法并具有较高精度。
The research shows that the three-dimensional acoustic boundary clement model is an efficient and highly accurate method of sound field analysis of reactive mufflers.
研究结果表明，三维声学边界元模型是抗性结构消声器声场分析的有效方法并具有较高精度。
The research shows that the three-dimensional acoustic boundary clement model is an efficient and highly accurate method of sound field analysis of reactive mufflers.
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