Large-scale instabilities in a STOVL upwash fountain

dc.contributor.authorSaddington, A. J.-
dc.contributor.authorCabrita, P. M.-
dc.contributor.authorKnowles, Kevin-
dc.contributor.editorW., Rodi and M. Mulas-
dc.date.accessioned2012-08-23T23:01:57Z
dc.date.available2012-08-23T23:01:57Z
dc.date.issued2005-12-31T00:00:00Z-
dc.description.abstractThe fountain flow created by two underexpanded axisymmetric, turbulent jets impinging on a ground plane was studied through the use of laser-based experimental techniques. Velocity and turbulence data were acquired in the jet and fountain flow regions using laser doppler velocimetry and particle image velocimetry. Profiles of mean and rms velocities along the jet centreline are presented for nozzle pressure ratios of two, three and four. The unsteady nature of the fountain flow was examined and the presence of large-scale coherent structures identified. A spectral analysis of the fountain flow data was performed using the Welch method. The results have relevance to ongoing studies of the fountain flow using large eddy simulation techniques.en_UK
dc.identifier.citationSaddington AJ, Cabrita PM, Knowles K. (2005) Large-scale instabilities in a STOVL upwash fountain. InEngineering Turbulence Modelling and Experiments 6, January 2005, pp. 667-676
dc.identifier.isbn0080445446-
dc.identifier.urihttp://dx.doi.org/10.1016/B978-008044544-1/50064-9-
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/7508
dc.subjectfountainen_UK
dc.subjectimpingingen_UK
dc.subjectjeten_UK
dc.subjectLDVen_UK
dc.subjectPIVen_UK
dc.subjectSTOVLen_UK
dc.subjectsupersonicen_UK
dc.subjectturbulenten_UK
dc.subjectunderexpandeden_UK
dc.subjectVSTOLen_UK
dc.titleLarge-scale instabilities in a STOVL upwash fountainen_UK
dc.typeBook chapter-

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