Ahmet Selamet, professor of mechanical Engineering at Ohio State University, stands with his generic pipe adapter, a device that diagnoses the cause of whistle noise in vehicle engines. Photo by Jo McCulty, courtesy of Ohio State University.
This device, invented by Ohio State University engineers in collaboration with Ford Motor Co., diagnoses the cause of whistle noise in vehicle engines. Photo by Jo McCulty, courtesy of Ohio State University.

Whistle Noise Sound Files:

Sounds labeled "engine" include engine noise (with or without whistle). Sounds labeled "flowlab" include only the sound of air going through a pipe (with or without whistle).

Automobile engine, without whistle. [engine_baseline.wav]

Automobile engine with an opened one-inch sidebranch pipe that generates a whistle. [engine_whistle.wav]

Air flowing through an automobile intake duct, without whistle. [flowlab_baseline.wav]

Air flowing through an automobile intake duct with an opened one-inch sidebranch pipe that generates a whistle. [flowlab_whistle.wav]

All sounds courtesy of Ohio State University.

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