We make a comparison in tailpipe noise between straight pipe and muffler, it is seen that there is a sharp peak in low frequent.
通过直管噪声与带消声器的尾管声压级的对比，发现在低频段有一峰值。
With the noise legislation being strict, it is becoming more important for the design of automobile intake muffler.
随着汽车噪声控制法规的日益严格，开发适合车用的进气消声器变得愈加重要。
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.
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。
By analyzing the exhaust noise frequency spectrum and the exhaust noise control methods, the muffler is considered a effective way of controlling exhaust noise.
通过对排气噪声的频谱分析及对排气噪声控制方法的讨论，认为消声器能有效控制排气噪声。
According to the exhaust noise characteristics of special engine and the installation request of exhaust muffler, the exhaust muffler for special engine was designed.
根据特种发动机排气噪声的特性和消声器的安装要求，设计了一个组合式排气消声器。
For the sake of the noise control of automotive noise, an improved method is presented through some muffler of a subminiature truck tests on an engine test bed.
以控制汽车加速噪声为背景，通过对某微型卡车排气消声器的测试分析结果，提出相应的改进措施。
At present, the most effective measure to control exhaust noise is using muffler in exhaust system.
目前，控制排气噪声最有效的途径是在排气系统上使用消声器。
Muffler is the conventional muffling device in the noise control of compressor.
消声器是压缩机噪声控制中常用的消声装置。
The major noise control techniques are conduit sound insulation and absorption and setting up a muffler etc.
其主要控制技术有管道隔声和吸声、安装消声器等。
The invention relates to a method for manufacturing a suction muffler and discloses a technique for making energy efficiency higher and reducing noise.
本发明涉及吸入消声器的制造方法，并公开一种用于使能量效率更高并降低噪音的技术。
The results well agree with data obtained from the noise attenuation performance test of the exhaust muffler.
模拟结果与消声器消声性能的试验测试数据具有较好的一致性。
The anti-noise sponges inside the screen of the air filter and the muffler of the induced draft fan should be cleaned or changed regularly.
空气过滤器滤网、引风机消声器的消声海绵要定期清洗或更换。
The muffler uses the thick steel sheet as its exterior surface so as to prevent noise from diffusion.
消声器的外表面采用厚钢板，以控制噪声的投射型。
According to the spectral characteristic of the noise source, the tube-type muffler, metal-enclosure muffler, structural-type muffler can be equipped before and after the noise reduction devices.
根据声源的频谱特性在其前后配置合理的管道式消声器、金属外壳式消声器、结构式消声器作为消声降噪的措施。
Changing volume ratio of the two-chamber muffler can improve the effective noise reduction frequency range of the muffler.
通过改变消声器的两腔容积比，可以改善消声器的有效消声频率范围。
The performance of an exhaust muffler of internal combustion engine is related not only to the construction of itself, but also to the characters of the exhaust noise source.
内燃机排气消声器的实际消声性能既与消声器本身结构有关，又与排气噪声源性质有关。
The muffler is developed according to the resistance, spraying and blocking combination soundproof principle, characterized by large noise reduction, compact size, light weight and easy installation.
本系列消声器是根据抗、喷、阻复合消声原理所研制，具有消声量大、体积小、重量轻及安装方便的有点。
The reduction of exhaust system noise is the key to the reduction of automobile noise. At present, the main method to reduce exhaust noise is by setting muffler in automobile exhaust system.
减小排气噪声是降低汽车噪声的关键，目前在排气系统中安装排气消声器是减少排气噪声的主要方法。
The noise attenuation characteristics of complex muffler are investigated by 3D finite element analysis based on the study on simple muffler.
在利用三维有限元法研究简单结构的消声器的声学消声性能基础上，对于复杂结构的消声器进行了声学性能预测。
Designing a resistance muffler with high anechoic performance and low pressure loss has become an important subject on intake and exhaust noise control.
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。
The disadvantages of a compressor muffler are analyzed, and a new scheme is proposed based on the measured noise spectrum at the suction inlet of the compressor.
分析某型号压缩机吸气消声器存在的不足，在测试压缩机吸气通道噪声源频谱的基础上提出消声器改进方案。
The disadvantages of a compressor muffler are analyzed, and a new scheme is proposed based on the measured noise spectrum at the suction inlet of the compressor.
分析某型号压缩机吸气消声器存在的不足，在测试压缩机吸气通道噪声源频谱的基础上提出消声器改进方案。
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