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A novel binary particle fractionation technique

A novel binary particle fractionation technique
A novel binary particle fractionation technique
An interesting development towards a robust particle fractionator is presented. Typically acoustic fractionators rely on time of flight in a constant acoustic field to separate different populations . Such a system requires all particles to be concentrated to an initial known point before entering the acoustic field. As the particle population enters the acoustic field, the particles will move towards the nodal point at velocities dictated by their relative size. If the size of the acoustic chamber, flow rates and radiation forces are carefully adjusted, particles can be graded across the width of the chamber when they exit the acoustic field. In this work we describe a technique that allows a more robust fractionation technique which is less sensitive to residence time and allows particle populations to be split in a binary fashion. Modelling results and initial experimental results are presented.
fractionation, standing waves, ultrasonic separation
277-281
Harris, Nick
c30a3bf0-33f1-4fa7-b57f-733ec64fb735
Boltryk, Rosemary
0452b21c-a758-4d4a-925b-1511d9296d62
Glynne-Jones, Peter
6ca3fcbc-14db-4af9-83e2-cf7c8b91ef0d
Hill, Martyn
0cda65c8-a70f-476f-b126-d2c4460a253e
Harris, Nick
c30a3bf0-33f1-4fa7-b57f-733ec64fb735
Boltryk, Rosemary
0452b21c-a758-4d4a-925b-1511d9296d62
Glynne-Jones, Peter
6ca3fcbc-14db-4af9-83e2-cf7c8b91ef0d
Hill, Martyn
0cda65c8-a70f-476f-b126-d2c4460a253e

Harris, Nick, Boltryk, Rosemary, Glynne-Jones, Peter and Hill, Martyn (2010) A novel binary particle fractionation technique. Physics Procedia, 3 (1), 277-281. (doi:10.1016/j.phpro.2010.01.037).

Record type: Article

Abstract

An interesting development towards a robust particle fractionator is presented. Typically acoustic fractionators rely on time of flight in a constant acoustic field to separate different populations . Such a system requires all particles to be concentrated to an initial known point before entering the acoustic field. As the particle population enters the acoustic field, the particles will move towards the nodal point at velocities dictated by their relative size. If the size of the acoustic chamber, flow rates and radiation forces are carefully adjusted, particles can be graded across the width of the chamber when they exit the acoustic field. In this work we describe a technique that allows a more robust fractionation technique which is less sensitive to residence time and allows particle populations to be split in a binary fashion. Modelling results and initial experimental results are presented.

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More information

Published date: 1 January 2010
Keywords: fractionation, standing waves, ultrasonic separation

Identifiers

Local EPrints ID: 79622
URI: http://eprints.soton.ac.uk/id/eprint/79622
PURE UUID: fbb984bc-3d88-44cc-99e0-d746ccb0b565
ORCID for Peter Glynne-Jones: ORCID iD orcid.org/0000-0001-5684-3953
ORCID for Martyn Hill: ORCID iD orcid.org/0000-0001-6448-9448

Catalogue record

Date deposited: 17 Mar 2010
Last modified: 14 Mar 2024 02:43

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Contributors

Author: Nick Harris
Author: Rosemary Boltryk
Author: Martyn Hill ORCID iD

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