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Aeroacoustics of a steam kettle

A whistling steam kettle consists of a plug at the end of a spout. The
simplest form of the plug has two discs separated by a space with a hole in
the middle of each disc. When steam from boiling water rushes through the plug
an intense high-pitch tonal sound is produced. The aim of this project is to
develop a model to explain the physics of the whistling mechanism. A whistle
is produced because of a feedback mechanism that couples aerodynamics with

This project will involve a combination of experimental and
theoretical work. The experiment would involve flow visualisation through a
transparent spout-plug system and hot-wire and microphone measurements to
quantify flow speeds and acoustic frequencies.

4th Year Project Deadlines

 May 2017
Each student submits two copies of Final report plus an extra copy of their technical abstract, plus their log book or electronic equivalent to Group Centres by 4pm.


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