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Analyzing Muffler Performance Using the Transfer Matrix Method
发布日期 2008
Exhaust noise must meet legislation targets, customer expectations and cost reduction which call for design optimization of the exhaust systems in the design phase. One solution is to use 3 dimensional linear pressure acoustics and calculate the transfer matrix of the muffler. The transfer matrix is the basis for calculating either the insertion loss or transmission loss of a muffler. The 3D simulations of different muffler configurations with COMSOL Multiphysics are verified by measurements in a flow acoustic test rig using the two source method.
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