Why does kettle whistle

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Your message. Using the knowledge gained from the study, researchers could potentially isolate and stop similar, but far more irritating whistles — such as the noise made when air gets into household plumbing, or damaged car exhausts. Kaitlyn Foley We all know the distinctive whistle of the tea kettle—but what actually produces that sound? In a paper published in the journal Physics of Fluids , researchers explained : The whistle in a steam kettle provides a near-perfect example of a hole tone system, in which two orifice plates are held a short distance apart in a cylindrical duct.

Ask Question. Asked 7 years, 7 months ago. Active 6 years, 6 months ago. Viewed 3k times. Improve this question. Fluids 25, scitation.

Add a comment. Active Oldest Votes. Improve this answer. Of course they two things are related for a particular combination of a whistle and a heat source. Whistles produce a tone because there is a feedback loop between the pressure changes in the device, which propagate at the speed of sound, and the flow speed through it.