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Development of an optical flow through detector for bubbles, crystals and particles in oils

Development of an optical flow through detector for bubbles, crystals and particles in oils
Development of an optical flow through detector for bubbles, crystals and particles in oils

The characterisation of bubbles or particles in an oil poses some unique challenges. In contrast to water solutions, the use of electrochemical detection approaches is more difficult in an oil. However, optical sensing systems have considerable potential in this area. Here we use a flow through channel approach and monitor the light propagation through this structure in an optical transmission sensor arrangement (OTS). This simple approach is demonstrated to be useful at detecting bubbles produced in the oil as a result of cavitation induced by high intensity ultrasound (HIU). The optical technique is shown to have an analytical basis. Bubble detection from an operating HIU source is shown to depend on position of the sensor with respect to the source. Critically, the bubble population can be followed for extended time periods after the ultrasonic source has been terminated. The detection of crystals is also demonstrated. Hence, this technique is ideal for the study of the effects of HIU on oils as they crystallise over extended time periods. This journal is

1463-9076
1544-1552
Birkin, Peter R.
ba466560-f27c-418d-89fc-67ea4f81d0a7
Youngs, Jack J.
bdc2f78f-ae97-4faf-8930-1970ca697867
Truscott, Tadd T.
a7f0e66d-3c20-40ca-b795-bc9beec07132
Martini, Silvana
07d2edd4-c0d9-4703-aa4a-877c83ad7769
Birkin, Peter R.
ba466560-f27c-418d-89fc-67ea4f81d0a7
Youngs, Jack J.
bdc2f78f-ae97-4faf-8930-1970ca697867
Truscott, Tadd T.
a7f0e66d-3c20-40ca-b795-bc9beec07132
Martini, Silvana
07d2edd4-c0d9-4703-aa4a-877c83ad7769

Birkin, Peter R., Youngs, Jack J., Truscott, Tadd T. and Martini, Silvana (2021) Development of an optical flow through detector for bubbles, crystals and particles in oils. Physical Chemistry Chemical Physics, 24 (3), 1544-1552. (doi:10.1039/d1cp03655f).

Record type: Article

Abstract

The characterisation of bubbles or particles in an oil poses some unique challenges. In contrast to water solutions, the use of electrochemical detection approaches is more difficult in an oil. However, optical sensing systems have considerable potential in this area. Here we use a flow through channel approach and monitor the light propagation through this structure in an optical transmission sensor arrangement (OTS). This simple approach is demonstrated to be useful at detecting bubbles produced in the oil as a result of cavitation induced by high intensity ultrasound (HIU). The optical technique is shown to have an analytical basis. Bubble detection from an operating HIU source is shown to depend on position of the sensor with respect to the source. Critically, the bubble population can be followed for extended time periods after the ultrasonic source has been terminated. The detection of crystals is also demonstrated. Hence, this technique is ideal for the study of the effects of HIU on oils as they crystallise over extended time periods. This journal is

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Accepted/In Press date: 8 December 2021
e-pub ahead of print date: 23 December 2021
Additional Information: Funding Information: This project was supported by Agriculture and Food Research Initiative (AFRI) Grant No. 2017-67017-26476 from the USDA National Institute of Food and Agriculture, Improving Food Quality – A1361. This paper was approved by the Utah Agricultural Experiment Station as Paper Number 9470. Publisher Copyright: © the Owner Societies. Copyright: Copyright 2022 Elsevier B.V., All rights reserved.

Identifiers

Local EPrints ID: 455152
URI: http://eprints.soton.ac.uk/id/eprint/455152
ISSN: 1463-9076
PURE UUID: 73df1b45-409e-4dae-9706-7d6e3d24c7a6
ORCID for Peter R. Birkin: ORCID iD orcid.org/0000-0002-6656-4074

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Date deposited: 10 Mar 2022 19:41
Last modified: 28 Apr 2022 01:38

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Contributors

Author: Peter R. Birkin ORCID iD
Author: Jack J. Youngs
Author: Tadd T. Truscott
Author: Silvana Martini

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