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Physics on tap

Physics on tap
Physics on tap
This article aims to describe how to visualize surface tension effects in liquid jets. A simple experiment is proposed using the liquid jet flow from a mains water tap/faucet. Using a modern digital camera with a high shutter speed, it is possible to visualize the instabilities (capillary waves) that form within the jet due to the action of surface tension, which can then eventually lead to droplet formation. Visualizing this process is important for understanding the fluid mechanics of liquid jets and also the formation of droplets, which has wide applications for instance in printing, polymer processing, aerosol sprays and fuel injection in combustion chambers.


0031-9120
403-408
Wheeler, Andrew P.S.
0f243ba3-3aae-470c-ba4a-46a8c4b9197a
Wheeler, Andrew P.S.
0f243ba3-3aae-470c-ba4a-46a8c4b9197a

Wheeler, Andrew P.S. (2012) Physics on tap. Physics Education, 47 (4), 403-408. (doi:10.1088/0031-9120/47/4/403).

Record type: Article

Abstract

This article aims to describe how to visualize surface tension effects in liquid jets. A simple experiment is proposed using the liquid jet flow from a mains water tap/faucet. Using a modern digital camera with a high shutter speed, it is possible to visualize the instabilities (capillary waves) that form within the jet due to the action of surface tension, which can then eventually lead to droplet formation. Visualizing this process is important for understanding the fluid mechanics of liquid jets and also the formation of droplets, which has wide applications for instance in printing, polymer processing, aerosol sprays and fuel injection in combustion chambers.


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More information

Published date: 2012
Organisations: Aeronautics, Astronautics & Comp. Eng

Identifiers

Local EPrints ID: 346886
URI: https://eprints.soton.ac.uk/id/eprint/346886
ISSN: 0031-9120
PURE UUID: 6778a3da-8399-4028-8dbe-7f0f50e3d65e

Catalogue record

Date deposited: 24 Jan 2013 11:21
Last modified: 16 Jul 2019 21:46

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