Shock wave diffraction phenomena around slotted splitters

Gnani, F., Lo, K. H., Zare-Behtash, H. and Kontis, K. (2015) Shock wave diffraction phenomena around slotted splitters. Aerospace, 2(1), pp. 1-16. (doi:10.3390/aerospace2010001)

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Publisher's URL: http://dx.doi.org/10.3390/aerospace2010001

Abstract

In the field of aerospace engineering, the study of the characteristics of vortical flows and their unsteady phenomena finds numerous engineering applications related to improvements in the design of tip devices, enhancement of combustor performance, and control of noise generation. A large amount of work has been carried out in the analysis of the shock wave diffraction around conventional geometries such as sharp and rounded corners, but the employment of splitters with lateral variation has hardly attracted the attention of researchers. The investigation of this phenomenon around two-dimensional wedges has allowed the understanding of the basic physical principles of the flow features. On the other hand, important aspects that appear in the third dimension due to the turbulent nature of the vortices are omitted. The lack of studies that use three-dimensional geometries has motivated the current work to experimentally investigate the evolution of the shock wave diffraction around two splitters with spike-shaped structures for Mach numbers of 1.31 and 1.59. Schlieren photography was used to obtain an insight into the sequential diffraction processes that take place in different planes. Interacting among them, these phenomena generate a complicated turbulent cloud with a vortical arrangement.

Item Type:Articles (Editorial)
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kontis, Professor Konstantinos and Gnani, Francesca and Lo, Dr Kin Hing and Zare-Behtash, Dr Hossein
Authors: Gnani, F., Lo, K. H., Zare-Behtash, H., and Kontis, K.
Subjects:Q Science > Q Science (General)
Q Science > QA Mathematics
T Technology > T Technology (General)
College/School:College of Science and Engineering > School of Engineering > Aerospace Sciences
Journal Name:Aerospace
Publisher:MDPI
ISSN:2226-4310
Copyright Holders:Copyright © 2015 The Authors
First Published:First published in Aerospace 2(1):1-16
Publisher Policy:Reproduced under a Creative Commons License

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