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ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (317 download)
Download or read book Effect of a Rotating Propeller on the Separation Angle of Attack and Distortion in Ducted Propeller Inlets written by and published by . This book was released on 1993 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. R. Boldman
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Effect of a Rotating Propeller on the Separation Angle of Attack and Distortion Inducted Propeller Inlets written by D. R. Boldman and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 492 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1994 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1572 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 1572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 618 pages
Book Rating : 4.0/5 ( download)
Download or read book 31st Aerospace Sciences Meeting and Exhibit: 93-0003 - 93-0049 written by and published by . This book was released on 1993 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Theodore Theodorsen
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ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.E/5 ( download)
Download or read book Theoretical Investigation of Ducted Propeller Aerodynamics written by Theodore Theodorsen and published by . This book was released on 1960 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William A. Newsom
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ISBN 13 :
Total Pages : 714 pages
Book Rating : 4.F/5 ( download)
Download or read book Effect of Propeller Location and Flap Deflection on the Aerodynamic Characteristics of a Wing-propeller Combination for Angles of Attack from 0 to 80 Degrees written by William A. Newsom and published by . This book was released on 1957 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation has been made to determine the effect of propeller location and flap deflection on the lift, drag, and pitching-moment characteristics of a wing-propeller combination over an angle-of-attack range from 0 to 80 degrees. The model had four propellers, the slipstream from which covered practically the entire span of the wing. The wing had a 30-percent-chord slotted flap and an 8.5-percent-chord slat. Data were obtained for flap deflections of 0, 20, 40, and 60 degrees with the slat off and on. For one propeller position the power input to the model was measured and tuft studies of the flow on the wing were made. The data are analyzed to assess the feasibility, from consideration of stability and control, of a tilting-wing vertical-take-off-and-landing airplane with the wing pivoted behind the primary wing structure to provide a desirable structural configuration. The main object of the investigation was to determine whether advantage might be taken of the forward shift of the center of gravity of the airplane, as the wing is tilted from an angle of attack of 90 to 0 degrees, to minimize the change in trim pitching moment throughout the transition speed range for such a configuration. The results indicate that with proper propeller position and programming of flap deflection, it is possible to design a configuration of this type in which essentially no change in trim is required throughout the transition from hovering to normal unstalled forward flight.
Author : American Institute of Aeronautics and Astronautics
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ISBN 13 :
Total Pages : 1152 pages
Book Rating : 4.F/5 ( download)
Download or read book AIAA Journal written by American Institute of Aeronautics and Astronautics and published by . This book was released on 1997 with total page 1152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 538 pages
Book Rating : 4.3/5 (91 download)
Download or read book Aeronautical Engineering written by and published by . This book was released on 1991 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth W. Mort
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ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (31 download)
Download or read book A Wind-tunnel Investigation of a 7-foot-diameter Ducted Propeller written by Kenneth W. Mort and published by . This book was released on 1967 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert E. Pendley
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ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 (91 download)
Download or read book Effect of Propeller-axis Angle of Attack on Thrust Distribution Over the Propeller Disk in Relation to Wake-survey Measurement of Thrust written by Robert E. Pendley and published by . This book was released on 1945 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tests were made to investigate the variation of thrust distribution over the propeller disk with angle of pitch of the propeller thrust axis and to determine the disposition and the minimum number of rakes necessary to measure the propeller thrust. The tests were made at a low Mach number for a low and a high blade angle with the propeller operating at three small angles of pitch, and some of the tests were repeated at a higher Mach number. The data obtained show that, for small angles of pitch, large changes occur in the energy distribution in the wake which prohibit the use of a single survey rake for thrust measurement in flight tests and limit the use of a single rake in wind-tunnel tests. Under certain conditions, the energy distribution in the wake took on a symmetrical form and two diametrically opposed survey rakes were shown to be satisfactory for obtaining propeller thrust.
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ISBN 13 :
Total Pages : 480 pages
Book Rating : 4.0/5 ( download)
Download or read book 32nd Aerospace Sciences Meeting & Exhibit: 94-0390 - 94-0419 written by and published by . This book was released on 1994 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John L. Crigler
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ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (126 download)
Download or read book The Effect of Trailing-edge Extension Flaps on Propeller Characteristics written by John L. Crigler and published by . This book was released on 1945 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: An analysis was made to determine the effect on propeller performance of extension flaps added to the trailing edge of a propeller blade. A method of calculating the changes in the ideal angle of attack, the angle of zero lift, and the design lift coefficient of a propeller blade section having a trailing-edge extension flap was utilized to calculate the performance of a six-blade dual-rotating propeller with extension flaps varying up to 40 percent chord. The method was used to determine the angle that the flap extension must make with the chord in order to obtain a particular load distribution. Although the analysis in this report was made for a wind-tunnel propeller designed to operate at low advance-diameter ration, the method is directly applicable to any propeller section under any operating condition.
Author : American Institute of Aeronautics and Astronautics. Technical Information Service
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ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Finding Guide to AIAA Meeting Papers written by American Institute of Aeronautics and Astronautics. Technical Information Service and published by . This book was released on 1993 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 658 pages
Book Rating : 4.:/5 (319 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1993 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 940 pages
Book Rating : 4.3/5 (91 download)
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1996 with total page 940 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1442 pages
Book Rating : 4.3/5 (91 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
