An Experimental Investigation Of The Laminar Boundary Layer On A Spinning Ogive Cylinder In Supersonic Flow PDF Download
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Author | : William C. Ragsdale |
Publisher | : |
Total Pages | : 160 |
Release | : 1972 |
Genre | : Laminar boundary layer |
ISBN | : |
Download An Experimental Investigation of the Laminar Boundary Layer on a Spinning Ogive Cylinder in Supersonic Flow Book in PDF, ePub and Kindle
Pitot pressure surveys were made of the laminar boundary layer on an ogive-cylinder model at Mach 3.02 and 4.10. Surveys were made at five stations along the model, at angles of attack of zero and four degrees, with and without spin. Tests with spin were performed at Mach 3.02. The pitot pressure data has been used to compute boundary-layer velocity profiles, and results from two data-reduction procedures are presented. Some comparisons are made with theoretical velocity profiles for the zero spin, zero angle-of-attack case. (Author).
Author | : William C. Ragsdale |
Publisher | : |
Total Pages | : 133 |
Release | : 1972 |
Genre | : |
ISBN | : |
Download An Experimental Investigation of the Laminar Boundary Layer on a Spinning Ogive Cylinder in Supersonic Flow Book in PDF, ePub and Kindle
Pitot pressure surveys were made of the laminar boundary layer on an ogive-cylinder model at Mach 3.02 and 4.10. Surveys were made at five stations along the model, at angles of attack of zero and four degrees, with and without spin. Tests with spin were performed at Mach 3.02. The pitot pressure data has been used to compute boundary-layer velocity profiles, and results from two data-reduction procedures are presented. Some comparisons are made with theoretical velocity profiles for the zero spin, zero angle-of-attack case. (Author).
Author | : Walter B. Sturek |
Publisher | : |
Total Pages | : 52 |
Release | : 1975 |
Genre | : Boundary layer |
ISBN | : |
Download Boundary Layer Studies on a Spinning Tangent-oglive-cylinder Model Book in PDF, ePub and Kindle
An experimental investigation of the Magnus effect on a seven caliber tangent-ogive-cylinder model in supersonic flow is reported. The effects of surface spin, angle of attack and Mach number on boundary-layer transition have been studied using spark shadowgraphs of the flow. These shadowgraphs were taken while the model was mounted on offset struts to enable views to be obtained of the flow completely about the circumference of the model. The Magnus and normal forces were measured using the strain-gage balance technique for different boundary layer configurations. These measurements revealed a substantial sensitivity of Magnus force to the boundary layer configuration. A preliminary comparison of the Magnus measurements to the theory of Vaughn and Reis yielded poor agreement. The data have been tabulated to facilitate their use in the evaluation of proposed theoretical models of the Magnus effect.
Author | : |
Publisher | : |
Total Pages | : 528 |
Release | : 1973 |
Genre | : Mechanics, Applied |
ISBN | : |
Download Applied Mechanics Reviews Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1102 |
Release | : 1973 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 652 |
Release | : 1975 |
Genre | : Military research |
ISBN | : |
Download Research in Progress Book in PDF, ePub and Kindle
Author | : Walter B. Sturek |
Publisher | : |
Total Pages | : 34 |
Release | : 1974 |
Genre | : Body of revolution |
ISBN | : |
Download Boundary-layer Studies on Spinning Bodies of Revolution Book in PDF, ePub and Kindle
An experimental investigation of the effects of spin induced distortion of the boundary-layer on a spinning cone and tangent-ogive-cylinder model for small angle of attack at Mach 2, 3 and 4 is reported. The profile of the location of boundary-layer transition has been determined completely about the surface of the models from spark shadowgraphs. These spark shadowgraphs were taken with the model mounted on an offset strut which was rolled incrementally in azimuth to reveal the entire surface of the model. Strain gage balance measurements of Magnus and normal force were made for three significantly different boundary-layer configurations--predominately laminar, predominately turbulent, tripped to turbulent--and confirm the pronounced sensitivity of Magnus to boundary-layer configuration. (Author).
Author | : |
Publisher | : |
Total Pages | : 890 |
Release | : 1973 |
Genre | : Aeronautics |
ISBN | : |
Download STAR Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 692 |
Release | : 1974 |
Genre | : Nuclear energy |
ISBN | : |
Download Nuclear Science Abstracts Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1036 |
Release | : 1974 |
Genre | : Nuclear energy |
ISBN | : |
Download Nuclear Science Abstracts Book in PDF, ePub and Kindle