消声器

消声器是压缩机噪声控制中常用的消声装置

Muffler is the conventional muffling device in the noise control of compressor .

X型消声器在噪声治理中的应用分析

The Application of X-type Muffler in Noise Suppression

H型液压消声器在系统中安装位置的研究

Research on installing position of H-type hydraulic silencer in a ststem

拖拉机排气消声器CAD软件一体化驱动方法

A Integrative Drive Method of CAD Software for Tractor Exhaust Silencer

基于DSP的自适应管道有源消声器设计与实现

DSP Based Design and Implementation of Adaptive Active Silencer in Duct

基于ANSYS的复杂结构抗性消声器性能分析

Simulation and Analysis of Reactive Muffler Based on ANSYS Software

单双腔抗性消声器压力损失CFD研究

CFD Computation of Pressure Loss of Single and Dual-Chamber Resistance Mufflers

运用有限元分析软件ANSYS对内插管抗性消声器内部声场及流体进行了有限元分析。

Finite element analysis software ANSYS is applied to analyze sound field and fluid of muffler .

基于CFD的工程机械抗性消声器设计与性能分析

Design and Performance Analysis of Reactive Muffler on Construction Machinery Based on CFD

用正交优化及计算机辅助设计（CAD）技术，对小型柴油机排气消声器的整体结构及其元件参数进行了优化设计。

In this paper the structure and parameters of the muffler in the small diesel engine are optimized by the orthogonal-optimization .

介绍了拖拉机排气消声器CAD软件的一体化驱动方法和“状态切换”方法。

The paper gives a method about the integrative drive of the CAD software for tractor exhaust silencers and a method for DOS change .

HQ管反声消声器的仿真分析及实验研究

Numerical Simulation and Experimental Study of HQ Tube Attenuator

正交优化及CAD技术在小型柴油机消声器设计中的应用本文就是将神经网络与遗传算法的协同优化方法应用于柴油机消声器内部结构参数的优化上。

The Orthogonal-optimization and CAD Method Used in Designing Mufflers for Small-size Diesel Engines In this paper , exerting this optimization on the disel engine 's muffler 's structural parameter .

经过实验验证，其中一种新消声器比原用消声器降低噪声3个dB（A）以上，且没有功率的损失。

The noises of compressors with the new muffler were reduced more than 3 dB ( A ) . And there is no power loss .

基于GT-Power的汽车排气消声器性能分析及改进

Performance Analysis and Improvement of Automotive Exhaust Muffler Based on GT-Power

GT-POWER在内燃机排气消声器设计中的应用

Application of GT-POWER in Design of Exhaust Muffler for Internal Combustion Engine

基于GT-Power的气动马达消声器性能研究

Simulation Research on Muffler for Air Motor Based on GT-Power

依据分析研究结果，还探索了HQ管消声器的工程应用问题。

Compound HQ tubes , suitable for industrial applications , are discussed in this paper aiming at the broad-band exhaust noise .

以一维模拟结果作为边界条件，再利用计算流体力学软件Fluent对消声器的流场进行了更深入的三维模拟。

Taking the results of1 D simulation as boundary conditions , a more in-depth3D simulation on the flow field of muffler is carried out by using CFD software FLUENT .

基于GT-Power软件的抗性消声器性能分析

Performance Analysis of Reactive Muffler Based on GT-Power

492Q汽油发动机排气消声器的试验研究

Experimental Research on Exhaust Silencer for 492 Q Type Gasoline Engine

LGA风机圆盘式消声器的有限元动力计算

Finite ? Element Calculation of the Dynamic Structure about a Disc Muffler of LGA Fan

最后通过Matlab与VC++联合编程开发出基于传递矩阵法的消声器消声量计算模块。一个设计优良的消声器不但要有好的消声性能，还必须有好的结构性能。

At last , the acoustic calculation modules based on transmission matrix has developed using VC + + and Matlab . A well-designed exhaust muffler will not only have good acoustic performance , but also have good mechanical performance .

该方法用传统的传递矩阵法形成初步设计方案，然后借助于CFD软件进行性能分析，从而达到消声器的结构优化设计。

This method gives the preliminary sketch of the muffler with transfer matrix method at first , and then attains the optimized design of the muffler by means of performance simulation with the CFD software .

用CFX计算了两种结构水消声器的阻力损失，并与实验结果进行了对比分析，其误差控制在5%以下。

The predictions of resistance loss using CFX for two configurations of silencers are compared with experimental results , and the relative error is within 5 % .

为了深入考察消声器结构参数对排气噪声频谱的影响，自主开发设计了噪声数字信号采集系统和1／3倍频程FIR数字滤波器。

In order to deeply research the effect of structural parameters on the spectrum of exhaust noise , the author designs a system to sample the exhaust noise and 1 / 3 FIR octave-band filters to calculate the spectrum of the sampling-data .

并依据噪声评价曲线确定理论消声量，根据理论计算，设计了J-50拖拉机主机和起动机排气消声器。

From the calculation . the authors design the main engine 's muffler and the starter 's exhaust muffler of J-50 tractor .

用GT-POWER建立了发动机与消声器的耦合模型，根据计算得到的发动机的进、排气系统噪声的频谱特性，提出消声器的改进设计方案，通过CFD模拟计算有效抑制消声器内部的再生气体噪声；

A coupled model of engine and muffler is built by using GT-POWER . Based on the frequency characteristics of intake and exhaust systems , a scheme for improving the design of muffler is proposed .

消声器初步设计完成后，运用一维流体力学软件GT-Power对其基本消声单元及其结构性能进行数值分析和仿真计算。

Will use a one-dimensional fluid dynamics software GT-Power muffler preliminary design complete its basic muffler unit and its structure and properties of numerical analysis and simulation .

试验结果表明，在加装了排气净化消声器后，对摩托车的动力经济性及噪声没有明显的影响，对CO、HC、NOx的净化率都在50%以上。

The conclusion of test is that , with the new exhaust control muffler dynamical performance fuel economy and noise of the motorcycle have no obviously change . The conversion ratio of CO HC and NOx is more than 50 % with catalyst in muffler .