Blade Vortex Interaction PDF Download
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Author | : Henry E. Jones |
Publisher | : |
Total Pages | : 96 |
Release | : 1997 |
Genre | : Unsteady flow (Aerodynamics) |
ISBN | : |
Download Full-Potential Modeling of Blade-Vortex Interactions Book in PDF, ePub and Kindle
A study of the full-potential modeling of a blade-vortex interaction was made. A primary goal of this study was to investigate the effectiveness of the various methods of modeling the vortex. The model problem restricts the interaction to that of an infinite wing with an infinite line vortex moving parallel to its leading edge. This problem provides a convenient testing ground for the various methods of modeling the vortex while retaining the essential physics of the full three-dimensional interaction. A full-potential algorithm specifically tailored to solve the blade-vortex interaction (BVI) was developed to solve this problem. The basic algorithm was modified to include the effect of a vortex passing near the airfoil. Four different methods of modeling the vortex were used: (1) the angle-of-attack methods, (2) the lifting-surface method, (3) the branch-cut method, and (4) the split-potential method. A side-by-side comparison of the four models was conducted. these comparisons included comparing generated velocity fields, a subcritical interaction, and a critical interaction. The subcritical and critical interactions are compared with experimentally generate results. The split-potential model was used to make a survey of some of the more critical parameters which affect the BVI.
Author | : David R. Poling |
Publisher | : |
Total Pages | : 7 |
Release | : 1987 |
Genre | : |
ISBN | : |
Download Blade-vortex Interaction Book in PDF, ePub and Kindle
Author | : Susan Hieb |
Publisher | : |
Total Pages | : 80 |
Release | : 1995 |
Genre | : Aerofoils |
ISBN | : |
Download Dynamic Effects During a Blade-vortex Interaction Book in PDF, ePub and Kindle
Author | : Marino De Terlizzi |
Publisher | : |
Total Pages | : 424 |
Release | : 1999 |
Genre | : |
ISBN | : |
Download Blade Vortex Interaction and Its Alleviation Using Passive and Active Control Approaches Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 40 |
Release | : 1984 |
Genre | : |
ISBN | : |
Download An Experimental Investigation of the Parallel Blade-vortex Interaction Book in PDF, ePub and Kindle
Author | : Chee Tung |
Publisher | : |
Total Pages | : |
Release | : 1996 |
Genre | : |
ISBN | : |
Download Aerodynamic Aspects of Blade-vortex Interaction (BVI) Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 28 |
Release | : 1981 |
Genre | : |
ISBN | : |
Download Prediction of Blade-vortex Interaction Noise from Measured Blade Pressure Book in PDF, ePub and Kindle
Author | : Henry Edward Jones |
Publisher | : |
Total Pages | : 34 |
Release | : 1986 |
Genre | : |
ISBN | : |
Download Full-potential Modeling of Blade-vortex Interactions Book in PDF, ePub and Kindle
Author | : See-Ho Wong |
Publisher | : |
Total Pages | : |
Release | : 2000 |
Genre | : |
ISBN | : |
Download Computational Investigation of Blade Vortex Interaction Noise Book in PDF, ePub and Kindle
Author | : National Aeronautics and Space Administration (NASA) |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 32 |
Release | : 2018-08-16 |
Genre | : |
ISBN | : 9781725627840 |
Download An Experimental Investigation of the Parallel Blade-Vortex Interaction Book in PDF, ePub and Kindle
A scheme for investigating the parallel blade vortex interaction (BVI) has been designed and tested. The scheme involves setting a vortex generator upstream of a nonlifting rotor so that the vortex interacts with the blade at the forward azimuth. The method has revealed two propagation mechanisms: a type C shock propagation from the leading edge induced by the vortex at high tip speeds, and a rapid but continuous pressure pulse associated with the proximity of the vortex to the leading edge. The latter is thought to be the more important source. The effects of Mach number and vortex proximity are discussed. Caradonna, F. X. and Laub, G. H. and Tung, C. Ames Research Center NASA-TM-86005, A-9850, NAS 1.15:86005, USAAVSCOM-TM-84-A-9 RTOP 992-21-01...