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Sensors 2017, 17(8), 1708; https://doi.org/10.3390/s17081708

Miniaturisation of Pressure-Sensitive Paint Measurement Systems Using Low-Cost, Miniaturised Machine Vision Cameras

1
School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK
2
Aircraft Research Association, Manton Lane, Bedford MK41 7PF, UK
*
Author to whom correspondence should be addressed.
Received: 10 June 2017 / Revised: 10 July 2017 / Accepted: 20 July 2017 / Published: 25 July 2017
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [11569 KB, uploaded 25 July 2017]   |  

Abstract

Measurements of pressure-sensitive paint (PSP) have been performed using new or non-scientific imaging technology based on machine vision tools. Machine vision camera systems are typically used for automated inspection or process monitoring. Such devices offer the benefits of lower cost and reduced size compared with typically scientific-grade cameras; however, their optical qualities and suitability have yet to be determined. This research intends to show relevant imaging characteristics and also show the applicability of such imaging technology for PSP. Details of camera performance are benchmarked and compared to standard scientific imaging equipment and subsequent PSP tests are conducted using a static calibration chamber. The findings demonstrate that machine vision technology can be used for PSP measurements, opening up the possibility of performing measurements on-board small-scale model such as those used for wind tunnel testing or measurements in confined spaces with limited optical access. View Full-Text
Keywords: pressure-sensitive paint; PSP; machine vision; calibration; sensor development pressure-sensitive paint; PSP; machine vision; calibration; sensor development
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Quinn, M.K.; Spinosa, E.; Roberts, D.A. Miniaturisation of Pressure-Sensitive Paint Measurement Systems Using Low-Cost, Miniaturised Machine Vision Cameras. Sensors 2017, 17, 1708.

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