PSP visualization studies on a convergent nozzle with an ejector system

Zare-Behtash, H. , Gongora-Orozco, N. and Kontis, K. (2009) PSP visualization studies on a convergent nozzle with an ejector system. Journal of Visualization, 12(2), pp. 157-163. (doi:10.1007/BF03181957)

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Abstract

An in-house Pressure Sensitive Paint (PSP) formulation has been developed at the Aero-Physics Laboratory at the University of Manchester. The PSP uses Bathophenanthroline Ruthenium as the luminophore molecule and is incorporated in a sol-gel matrix. Excitation occurs at400–500 nm and emission at550–650 nm. The Stern-Volmer plot of the PSP reveals small temperature dependence, which has always been an intrinsic drawback of PSPs. As a baseline experiment the PSP has been applied to examine the side-wall pressure field of the flow through a convergent nozzle with an ejector, at fully expanded Mach numbers in the rangeM j =0.52–1.36. Simultaneous static pressure measurements were also conducted to ascertain the accuracy of the PSP results. The paint has demonstrated satisfactory capabilities in not only measuring static pressures but also in visualizing key physical elements of the flow, such as the location of the expansion and oblique shock waves present in such flows.

Item Type:Articles (Editorial)
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Zare-Behtash, Dr Hossein
Authors: Zare-Behtash, H., Gongora-Orozco, N., and Kontis, K.
College/School:College of Science and Engineering > School of Engineering > Aerospace Sciences
Journal Name:Journal of Visualization
ISSN:1343-8875
ISSN (Online):1875-8975
Copyright Holders:Copyright © 2009 Springer
First Published:First published in Journal of Visualization 12(2):157-163
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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