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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 10 of 712 (0.036 seconds)Spelling suggestions: "subject:"drag"" "subject:"rag""
| 1 |
An investigation of pressure drag in transonic flow by the method of hydraulic analogyStancil, Robert Thomas 08 1900 (has links)
No description available.
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| 2 |
An investigation of base pressure ratios of blunt based-bodies by the method of hydraulic analogyMcAllister, Jack Donald 12 1900 (has links)
No description available.
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| 3 |
Excrescence effects on a turbulent boundary layer in an adverse pressure gradientHumphries, P. A. January 2001 (has links)
No description available.
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| 4 |
Drag reduction visual study /Carpenter, Charles Nelson January 1973 (has links)
No description available.
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| 5 |
Aerodynamic drag of ridge arrays in adverse pressure gradientsAbd Rabbo, M. F. January 1976 (has links)
Drag measurements for excrescence arrays of square section mounted on a smooth wall and subjected to two adverse pressure gradients in equilibrium are obtained. Differences in drag which arise when the excrescences are uniformly distributed and when tending to isolation are shown. Flow visualization photographs using the surface oil flow technique are presented to illustrate different flow patterns around arrays of varying spacing. A prediction model for the drag of excrescence arrays based on the results obtained was devised. Its range of application could be extended to excrescences of varying shape providing they are sufficiently small to be immersed in the logarithmic part of the boundary layer. Drag results are determined by both a momentum defect and a pressure distribution technique. These results are compared and the difference between them is partially attributed to the change in surface friction between the excrescences and partially to some lack of two-dimensionality in the test procedure. Corrections for the latter effect are made to the data obtained.
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| 6 |
Numerical optimization of the suction distribution for laminar flow control aerofoilsHackenberg, Petra January 1994 (has links)
No description available.
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| 7 |
An investigation into the aerodynamics of Gurney flapsJeffrey, David Robert Michael January 1998 (has links)
No description available.
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| 8 |
The automatic control of boundary layer transitionRioual, Jean-Luc January 1994 (has links)
No description available.
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| 9 |
The aerodynamic drag of high speed trainsBrockie, N. J. W. January 1988 (has links)
No description available.
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| 10 |
A study of methods to improve the performance of drag bits used to cut hard rockHood, Michael 06 August 2015 (has links)
A Thesis Submitted to the Faculty of Engineering
University of Witwatersrand, Johannesburg
for the Degree of Doctor of Philosophy.
Johannesburg 1977 / No abstract
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