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[Free Data Download & Acoustic Analysis] Muffler Noise Reduction Design

Analysis of acoustic transmission loss and radiated sound

The muffler, represented by the automotive exhaust silencer, refers to a silencer (or silencer) installed in a part of the duct that serves as a passage for sound and fluid. The sources of noise from this muffler can vary, but it often seems to be related to the explosion sounds from the engine and the relatively low-frequency sounds that accompany it. To accommodate these low frequencies, the design incorporates acoustic elements such as expansion type, resonator type, branch pipes, and expansion resonance type that can resonate at low-frequency ranges, along with interference type, absorption type, and resistance type acoustic elements that are effective over a wide frequency range or in the mid to high frequency range. - The importance of coupled analysis considering acoustic transmission loss and sound propagation to external areas - For the design of automotive mufflers with high sound attenuation performance If you are interested in acoustic design, please take a moment to read this. Free download of materials ⇒ https://www.idaj.co.jp/whitepaper/0015/form.html

• Company：IDAJ
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