Where is the car muffler

At the end of the exhaust pipe, the principle is similar to that of a firearm muffler, and a car muffler is mainly used to reduce the noise generated when the engine of a motor vehicle is working. The car muffler is the thicker part in the middle of the exhaust pipe. The working principle of the muffler: Since the length difference between the two pipes is equal to half of the wavelength of the sound waves emitted by the car, the two columns of sound waves interfere with each other and weaken when they are superimposed. Sound intensity, so that the sound is reduced, so as to play the effect of silencer.

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