Numerical investigation of localized separation induced by a three-dimensional pressure gradient

R. Jacobi, S. Wernz, Hermann F Fasel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Steady and unsteady separation on a flat-plate generated by a localized three-dimensional pressure gradient has been studied with Direct Numerical Simulations for a range of flow parameters. The fundamental characteristics of this type of flow have been analyzed and three distinctly different topologies were found. Fundamental features described for three-dimensional separated flows in general as well as for the flow over a hemisphere-cylinder in particular could be reproduced. The closed separation topologies are all very similar near the line of separation. One pattern in particular displays features that closely resemble the flow over a cylinder with a hemispheric cap. In addition to the closed separation patterns, we also found an open separation topology that may not have been documented before.

Original languageEnglish (US)
Title of host publication38th AIAA Fluid Dynamics Conference and Exhibit
Publication statusPublished - 2008
Event38th AIAA Fluid Dynamics Conference and Exhibit - Seattle, WA, United States
Duration: Jun 23 2008Jun 26 2008

Other

Other38th AIAA Fluid Dynamics Conference and Exhibit
CountryUnited States
CitySeattle, WA
Period6/23/086/26/08

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ASJC Scopus subject areas

  • Engineering(all)

Cite this

Jacobi, R., Wernz, S., & Fasel, H. F. (2008). Numerical investigation of localized separation induced by a three-dimensional pressure gradient. In 38th AIAA Fluid Dynamics Conference and Exhibit [2008-4056]