Thrust Characteristics Of Multiple Lifting Jets In Ground Proximity PDF Download
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Author | : Edwin E. Davenport |
Publisher | : |
Total Pages | : 26 |
Release | : 1960 |
Genre | : |
ISBN | : |
Download Thrust Characteristics of Multiple Lifting Jets in Ground Proximity Book in PDF, ePub and Kindle
An investigation has been made to determine the thrust characteristics within ground proximity of a series of models which might represent vertical take-off-and-landing (VTOL) aircraft with multiple exit jet engines exhausting vertically downward beneath a lifting surface. Variations in simulated engine configurations were provided by a series of nozzle insert plugs in which the number of jet exits, located symmetrically on a fixed circle, was varied, or the diameter of the circle was varied for a given number of jet exits. represent lifting surfaces, and high-pressure air was used to simulate jet-engine exhaust. Plywood plates were used to The results of the investigation showed that increasing the number of exits, such that an annular jet configuration was approached, provided more favorable thrust characteristics within ground proximity than any other variation in the geometry of these multiple jets. Tests of a configuration with two nozzles approximating a fan-in-wing VTOL aircraft with fans located at different spanwise locations indicated that the augmentation in thrust within ground proximity was greater for the arrangement with the more inboard location of the nozzles.
Author | : Edwin E. Davenport |
Publisher | : |
Total Pages | : 18 |
Release | : 1960 |
Genre | : Propulsion systems |
ISBN | : |
Download Thrust Characteristics of Multiple Lifting Jets in Ground Proximity Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 434 |
Release | : 1970 |
Genre | : |
ISBN | : |
Download NASA Technical Note Book in PDF, ePub and Kindle
Author | : J. A. Sansone |
Publisher | : |
Total Pages | : 156 |
Release | : 1981 |
Genre | : Exhaust nozzles |
ISBN | : |
Download An Empirical Method for Estimating the Effect of Ground Proximity on the Jet-induced Lift of VSTOL Aircraft Employing Rectangular Jets Book in PDF, ePub and Kindle
Author | : United States. National Aeronautics and Space Administration |
Publisher | : |
Total Pages | : 448 |
Release | : 1960 |
Genre | : |
ISBN | : |
Download Index of N A S A Technical Publications Book in PDF, ePub and Kindle
Author | : United States. National Aeronautics and Space Administration |
Publisher | : |
Total Pages | : |
Release | : 1960-07 |
Genre | : |
ISBN | : |
Download Index to NASA Technical Publications Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 388 |
Release | : 1957 |
Genre | : Aeronautics |
ISBN | : |
Download A Selected Listing of NASA Scientific and Technical Reports for ... Book in PDF, ePub and Kindle
Author | : United States. Superintendent of Documents |
Publisher | : |
Total Pages | : 1812 |
Release | : 1960 |
Genre | : Government publications |
ISBN | : |
Download Monthly Catalog of United States Government Publications Book in PDF, ePub and Kindle
Author | : United States. Superintendent of Documents |
Publisher | : |
Total Pages | : 1366 |
Release | : 1968 |
Genre | : United States |
ISBN | : |
Download Monthly Catalog of United States Government Publications, Cumulative Index Book in PDF, ePub and Kindle
Author | : C. C. Higgins |
Publisher | : |
Total Pages | : 108 |
Release | : 1966 |
Genre | : Airplanes |
ISBN | : |
Download Exhaust Jet Wake and Thrust Characteristics of Several Nozzles Designed for VTOL Downwash Suppression Book in PDF, ePub and Kindle