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Sensors 2013, 13(4), 4404-4427; doi:10.3390/s130404404

Pressure-Sensitive Paint Measurements of Transient Shock Phenomena

Aero-Physics Laboratory, George Begg Building, University of Manchester, Sackville Street,Manchester, M13 9PL, UK
Author to whom correspondence should be addressed.
Received: 22 January 2013 / Revised: 21 March 2013 / Accepted: 21 March 2013 / Published: 2 April 2013
(This article belongs to the Section Physical Sensors)
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Measurements of the global pressure field created by shock wave diffraction have been captured optically using a porous pressure-sensitive paint. The pressure field created by a diffracting shock wave shows large increases and decreases in pressure and can be reasonably accurately captured using CFD. The substrate, a thin-layer chromatography (TLC) plate, has been dipped in a luminophore solution. TLC plates are readily available and easy to prepare. Illumination comes from two high-intensity broadband Xenon arc light sources with short-pass filters. The sample is imaged at 100 kHz using a Vision Research Phantom V710 in conjunction with a pair of long and short pass filters, creating a band. The PSP results are compared with numerical simulations of the flow using the commercial CFD package Fluent as part of ANSYS 13 for two Mach numbers.
Keywords: pressure-sensitive paint; PSP; TLC; unsteady; transient; diffraction; shock waves; shock tube pressure-sensitive paint; PSP; TLC; unsteady; transient; diffraction; shock waves; shock tube
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Quinn, M.K.; Kontis, K. Pressure-Sensitive Paint Measurements of Transient Shock Phenomena. Sensors 2013, 13, 4404-4427.

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