Aerodynamic Characteristics Of A Leading Edge Slat On A 35 Degree Swept Back Wing For Mach Numbers From 0 30 To 0 88
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Aerodynamic Characteristics Of A Leading Edge Slat On A 35 Degree Swept Back Wing For Mach Numbers From 0 30 To 0 88
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Author : John A. Kelly
language : en
Publisher:
Release Date : 1951
Aerodynamic Characteristics Of A Leading Edge Slat On A 35 Degree Swept Back Wing For Mach Numbers From 0 30 To 0 88 written by John A. Kelly and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1951 with Aerodynamic load categories.
The data presented in this report were obtained by North American Aviation, Inc., from an investigation conducted in the Southern California Cooperative Wind Tunnel. Tests were made over a range of Mach numbers from 0.300 to 0.883 to determine the aerodynamic characteristics of a semispan model of a 35 degree swept-back wing equipped with a leading-edge slat and to gain additional knowledge of the aerodynamic loads and automatic operation of the slat. Lift, drag, and pitching-moment characteristics of a model wing in the presence of a fuselage were measured as well as pressures acting on the slat in the retracted and the full-open positions. The pressure data were analyzed to ascertain the opening characteristics of the slat for two possible circular-arc slat tracks which could be used for automatic operation of the slat.
Aerodynamic Load Measurements And Opening Characteristics Of Automatic Leading Edge Slats On A 45 Degree Sweptback Wing At Transonic Speeds
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Author : Donald D. Arabian
language : en
Publisher:
Release Date : 1961
Aerodynamic Load Measurements And Opening Characteristics Of Automatic Leading Edge Slats On A 45 Degree Sweptback Wing At Transonic Speeds written by Donald D. Arabian and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Airplanes categories.
Aerodynamic Load Measurements And Opening Characteristics Of Automatic Leading Edge Slats On A 45 Sweptback Wing At Transonic Speeds
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Author : Donald D. Arabian
language : en
Publisher:
Release Date : 1954
Aerodynamic Load Measurements And Opening Characteristics Of Automatic Leading Edge Slats On A 45 Sweptback Wing At Transonic Speeds written by Donald D. Arabian and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with Airplanes categories.
Transonic Investigation Of Aerodynamic Characteristics Of A Swept Wing Fighter Airplane Model With Leading Edge Droop In Combination With Outboard Chord Extensions And Notches
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Author : Charles F. Whitcomb
language : en
Publisher:
Release Date : 1956
Transonic Investigation Of Aerodynamic Characteristics Of A Swept Wing Fighter Airplane Model With Leading Edge Droop In Combination With Outboard Chord Extensions And Notches written by Charles F. Whitcomb and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Aerodynamics, Transonic categories.
An investigation of the effects of several wing leading-edge modifications on the aerodynamic characteristics of a 45 degree swept-wing fighter-airplane model has been conducted in the Langley 16-foot transonic tunnel at low and high lifting conditions at Mach numbers from 0.85 to 1.03. The investigation included the determination of the effect on longitudinal stability and performance characteristics of wing leading-edge and chord-extension droops of 6 and 20 degrees, chord-extension overhangs of 0.075c and 0.15c (where c is the wing chord), leading-edge notches cut out at the inboard end of the 0.075c chord-extension to depths of 0.075c and 0.125c, and indentation of the model fuselage to conform partially to the supersonic area rule for a Mach number of 1.20. Lift, drag, and pitching-moment data were obtained for configurations with the tail on and off. Comparisons of data obtained from the present model with data from a configuration with leading-edge slats are included.
Investigation Of The Effects Of Leading Edge Chord Extensions And Fences In Combination With Leading Edge Flaps On The Aerodynamic Characteristics At Mach Numbers From 0 40 To 0 93 Of A 45 Degree Sweptback Wing Of Aspect Ratio 4
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Author : Kenneth P. Spreemann
language : en
Publisher:
Release Date : 1957
Investigation Of The Effects Of Leading Edge Chord Extensions And Fences In Combination With Leading Edge Flaps On The Aerodynamic Characteristics At Mach Numbers From 0 40 To 0 93 Of A 45 Degree Sweptback Wing Of Aspect Ratio 4 written by Kenneth P. Spreemann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Airplanes categories.
This investigation was made to determine the effects of 6 degree full-span and 3 degree partial-span leading-edge flaps in combination with chord-extensions or fences on the aerodynamic characteristics of a wing-fuselage configuration with a 45 degree sweptback wing of aspect ratio 4, taper ratio 0.3, and NACA 65A006 airfoil sections. The investigation was made in the Langley high-speed 7- by 10-foot tunnel over a Mach number range of 0.40 to 0.93 and an angle-of-attack range of about -2 degrees to 24 degrees. Lift, drag, and pitching-moment data were obtained for all configurations. From overall considerations of stability and performance it appears that with the model of this investigation the 6 degree full-span leading-edge flaps in combination with the chord-extension over the outboard 35 percent of the span, with or without leading-edge camber, would be the most desirable configuration.
Effects Of Wing Tip Droop On The Longitudinal Characteristics Of Two Highly Swept Wing Body Combinations At Mach Numbers From 0 6 To 1 4
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Author : Earl D. Knechtel
language : en
Publisher:
Release Date : 1957
Effects Of Wing Tip Droop On The Longitudinal Characteristics Of Two Highly Swept Wing Body Combinations At Mach Numbers From 0 6 To 1 4 written by Earl D. Knechtel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Airplanes categories.
An investigation was conducted to determine the effects of wing-tip droop on the longitudinal stability characteristics of a 53 and a 63 degree sweptback wing-body combination. Both models were tested with flat and abruptly drooped wing tips. The 63 degree wing was also tested with a curved drooped tip. In addition, the combined effects of wing fences and extended leading-edge flaps were investigated. The results showed that abrupt droop of the outer 40 percent of the basic 53 degree wing improved the stability characteristics of the model. For the 63 degree swept wing, curved droop caused slight beneficial effects on the stability, whereas abrupt droop caused adverse effects. In general, the most favorable stability characteristics were obtained for either flat or abruptly drooped wings with fences and extended leading-edge flaps.
Aerodynamic Characteristics Of A Delta Wing With Leading Edge Swept Back 45 Degrees Aspect Ratio 4 And Naca 65a006 Airfoil Section
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Author : William C. Sleeman
language : en
Publisher:
Release Date : 1949
Aerodynamic Characteristics Of A Delta Wing With Leading Edge Swept Back 45 Degrees Aspect Ratio 4 And Naca 65a006 Airfoil Section written by William C. Sleeman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1949 with Aerofoils categories.
This paper presents the results of the investigation of wing-alone and wing-fuselage combination employing a delta wing having 45 degree sweepback of the leading edge, aspect ratio 4, and an NACA 65A006 airfoil section. Lift, drag, pitching moment, and root bending moment were obtained for these configurations. In addition, effective downwash angles and dynamic-pressure characteristics in the region of a probable tail location also were obtained for these configurations, and are presented for a range of tail heights at one tail length. In order to expedite publishing of these data, only a brief analysis is included.
Investigation Of The Effects Of Leading Edge Chord Extensions And Fences In Combination With Leading Edge Flaps On The Aerodynamic Characteristics At Mach Numbers Of 0 40 To 0 93 Of A 45 Sweptback Wing Of Aspect Ratio 4
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Author : Kenneth P. Spreemann
language : en
Publisher:
Release Date : 1957
Investigation Of The Effects Of Leading Edge Chord Extensions And Fences In Combination With Leading Edge Flaps On The Aerodynamic Characteristics At Mach Numbers Of 0 40 To 0 93 Of A 45 Sweptback Wing Of Aspect Ratio 4 written by Kenneth P. Spreemann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Airplanes categories.
Aerodynamic Characteristics Of A Spoiler Slot Deflector Control On A 45 Sweptback Wing At Mach Numbers Of 1 61 And 2 01
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Author : Douglas R. Lord
language : en
Publisher:
Release Date : 1957
Aerodynamic Characteristics Of A Spoiler Slot Deflector Control On A 45 Sweptback Wing At Mach Numbers Of 1 61 And 2 01 written by Douglas R. Lord and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Aerodynamics categories.
An investigation has been made in the Langley 4- by 4-foot supersonic pressure tunnel at Mach numbers of 1.61 and 2.01 to determine the aerodynamic characteristics of a spoiler-slot-deflector control on a 45 degree sweptback wing having an aspect ratio of 3.5, a taper ratio of 0.3, and an NACA 65A005 airfoil section. The model was equipped with a 15-percent-chord spoiler-slot-deflector extending from 13 o 78 percent of the wing semispan. The spoiler and deflector were hinged along the 60- and 75-percent-chord lines, respectively. Tests were made at a Reynolds number of 3,000,000 (based on the mean aerodynamic chord of the wing) and covered ranges of angles of attack from -3 to 15 degrees, spoiler projections from 0 to 8.0 percent chord, and deflector projections from 0 to 7.6 percent chord.
Aerodynamic Load Measurements And Opening Characteristics Of Automatic Leading Edge Slats On A 45 Sweptback Wing At Transonic Speeds
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Author : Donald D. Arabian
language : en
Publisher:
Release Date : 1961
Aerodynamic Load Measurements And Opening Characteristics Of Automatic Leading Edge Slats On A 45 Sweptback Wing At Transonic Speeds written by Donald D. Arabian and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with categories.
