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Video: How a car's muffler works

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Old 05-06-17, 07:35 PM
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speedkar9
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Default Video: How a car's muffler works

I chopped open the muffler on my Corolla. I made a short video explaining how it works:

Here’s a few photos of the process:

Video: How a car's muffler works-cldkahh.jpg



Video: How a car's muffler works-xnxldlg.jpg



Video: How a car's muffler works-8cynyux.jpg



Video: How a car's muffler works-8uumuwj.jpg



Video: How a car's muffler works-h55nbt4.jpg



Video: How a car's muffler works-pisasay.jpg



How it all works inside:



Video: How a car's muffler works-2a6omqv.jpg

Sound travels as a wave in the exhaust stream, with a wave length of lambda: Video: How a car's muffler works-2spdqpe.jpg

In the perfect world, all waves would destructively interfere:

Video: How a car's muffler works-sbgkh4x.jpg





I was surprised that this muffler has a passive spring loaded door:

Video: How a car's muffler works-zp02ztg.jpg



Video: How a car's muffler works-dppp2wo.jpg

Video: How a car's muffler works-aeds9tr.jpg
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Old 05-06-17, 10:30 PM
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Och
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Nice work! Subscribed.
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Old 05-07-17, 08:28 PM
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LeX2K
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Good stuff, that's not stainless steel.
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