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DTIC ADA1023683: Theoretical & Experimental Investigation of Co... |
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by Defense Technical Information Center |
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This project combines both experimental video flow |
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visualization studies and theoretical investigations of a |
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series of phenomenological and theoretical models based |
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upon the three-dimensional details of convected, coherent |
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structural elements of a turbulent flow as it interacts |
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with a solid surface. The experimental program has |
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considered a range of sub-problems including high |
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Reynolds Number (4 million) turbulent flows, the effect |
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of surface modification on low-speed streak formation, |
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and the effect of vortex loop interaction with a solid |
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boundary. To augment the visualization pictures, a |
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computerized video-digitizing system has been |
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implemented. Results show promise for obtaining |
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quantitative data from low visualization pictures. The |
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specific thrust of the theoretical studies has been |
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focussed on three areas: how two- and three-dimensional |
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vortex structures interact with wall boundary layers, the |
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development of a new type of prediction method for two- |
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dimensional turbulent boundary-layer flows, and |
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improvement in numerical techniques for solving |
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parabolic, boundary-layer equations. (Author) |
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Date Published: 2020-02-05 18:36:26 |
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Identifier: DTIC_ADA1023683 |
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Item Size: 27836985 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; Abbott,D E ; LEHIGH UN... |
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# Collections |
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dticarchive |
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additional_collections |
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# Uploaded by |
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@chris85 |
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