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

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          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.

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          Most cited references 19

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          Fast Pressure-Sensitive Paint for Flow and Acoustic Diagnostics

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            Pressure-Sensitive Paint: Effect of Substrate

            There are numerous ways in which pressure-sensitive paint can be applied to a surface. The choice of substrate and application method can greatly affect the results obtained. The current study examines the different methods of applying pressure-sensitive paint to a surface. One polymer-based and two porous substrates (anodized aluminum and thin-layer chromatography plates) are investigated and compared for luminescent output, pressure sensitivity, temperature sensitivity and photodegradation. Two luminophores [tris-Bathophenanthroline Ruthenium(II) Perchlorate and Platinum-tetrakis (pentafluorophenyl) Porphyrin] will also be compared in all three of the substrates. The results show the applicability of the different substrates and luminophores to different testing environments.
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              Characterisation of Buffet on a Civil Aircraft Wing

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                Author and article information

                Journal
                Sensors (Basel)
                Sensors (Basel)
                sensors
                Sensors (Basel, Switzerland)
                MDPI
                1424-8220
                25 July 2017
                August 2017
                : 17
                : 8
                Affiliations
                [1 ]School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK; em.spinosa@ 123456gmail.com
                [2 ]Aircraft Research Association, Manton Lane, Bedford MK41 7PF, UK; droberts@ 123456ara.co.uk
                Author notes
                [* ]Correspondence: mark.quinn@ 123456manchester.ac.uk ; Tel.: +44-16127-54557
                Article
                sensors-17-01708
                10.3390/s17081708
                5580104
                28757553
                © 2017 by the authors.

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( http://creativecommons.org/licenses/by/4.0/).

                Categories
                Article

                Biomedical engineering

                sensor development, pressure-sensitive paint, psp, machine vision, calibration

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