Analysis of Wind Tunnel Lateral Oscillatory Data of the F-16xl Aircraft

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721142163
Total Pages : 114 pages
Book Rating : 4.1/5 (421 download)

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Book Synopsis Analysis of Wind Tunnel Lateral Oscillatory Data of the F-16xl Aircraft by : National Aeronautics and Space Administration (NASA)

Download or read book Analysis of Wind Tunnel Lateral Oscillatory Data of the F-16xl Aircraft written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-15 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Static and dynamic wind tunnel tests were performed on an 18% scale model of the F-16XL aircraft. These tests were performed over a wide range of angles of attack and sideslip with oscillation amplitudes from 5 deg. to 30 deg. and reduced frequencies from 0.073 to 0.269. Harmonic analysis was used to estimate Fourier coefficients and in-phase and out-of-phase components. For frequency dependent data from rolling oscillations, a two-step regression method was used to obtain unsteady models (indicial functions), and derivatives due to sideslip angle, roll rate and yaw rate from in-phase and out-of-phase components. Frequency dependence was found for angles of attack between 20 deg. and 50 deg. Reduced values of coefficient of determination and increased values of fit error were found for angles of attack between 35 deg. and 45 deg. An attempt to estimate model parameters from yaw oscillations failed, probably due to the low number of test cases at different frequencies. Klein, Vladislav and Murphy, Patrick C. and Szyba, Nathan M. Langley Research Center 23-762-45-DB

Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16XL Aircraft

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ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16XL Aircraft by :

Download or read book Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16XL Aircraft written by and published by . This book was released on 1997 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16XL Aircraft

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ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16XL Aircraft by : Vladislav Klein

Download or read book Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16XL Aircraft written by Vladislav Klein and published by . This book was released on 1997 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16xl Aircraft

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Publisher :
ISBN 13 : 9781730729645
Total Pages : 70 pages
Book Rating : 4.7/5 (296 download)

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Book Synopsis Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16xl Aircraft by : National Aeronautics and Space Adm Nasa

Download or read book Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16xl Aircraft written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-11-03 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Static and oscillatory wind tunnel data are presented for a 10-percent-scale model of an F-16XL aircraft. Static data include the effect of angle of attack, sideslip angle, and control surface deflections on aerodynamic coefficients. Dynamic data from small-amplitude oscillatory tests are presented at nominal values of angle of attack between 20 and 60 degrees. Model oscillations were performed at five frequencies from 0.6 to 2.9 Hz and one amplitude of 5 degrees. A simple harmonic analysis of the oscillatory data provided Fourier coefficients associated with the in-phase and out-of-phase components of the aerodynamic coefficients. A strong dependence of the oscillatory data on frequency led to the development of models with unsteady terms in the form of indicial functions. Two models expressing the variation of the in-phase and out-of-phase components with angle of attack and frequency were proposed and their parameters estimated from measured data. Klein, Vladislav and Murphy, Patrick C. and Curry, Timothy J. and Brandon, Jay M. Langley Research Center...

Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16XL Aircraft

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ISBN 13 :
Total Pages : 63 pages
Book Rating : 4.:/5 (846 download)

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Book Synopsis Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16XL Aircraft by : Vladislav Klein

Download or read book Analysis of Wind Tunnel Longitudinal Static and Oscillatory Data of the F-16XL Aircraft written by Vladislav Klein and published by . This book was released on 1997 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ANALYSIS OF WIND TUNNEL LONGITUDINAL STATIC AND OSCILLATORY DATA OF THE F-16XL AIRCRAFT... NASA/TM-97-206276... FEB. 25, 1998

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (213 download)

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Book Synopsis ANALYSIS OF WIND TUNNEL LONGITUDINAL STATIC AND OSCILLATORY DATA OF THE F-16XL AIRCRAFT... NASA/TM-97-206276... FEB. 25, 1998 by : United States. National Aeronautics and Space Administration

Download or read book ANALYSIS OF WIND TUNNEL LONGITUDINAL STATIC AND OSCILLATORY DATA OF THE F-16XL AIRCRAFT... NASA/TM-97-206276... FEB. 25, 1998 written by United States. National Aeronautics and Space Administration and published by . This book was released on 1999* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Unsteady Aerodynamic Modeling of Dynamic Oscillatory Wind Tunnel Data of the 18% Scale F-16XL Aircraft

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Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.:/5 (574 download)

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Book Synopsis Unsteady Aerodynamic Modeling of Dynamic Oscillatory Wind Tunnel Data of the 18% Scale F-16XL Aircraft by : Nathan Mulcahey Szyba

Download or read book Unsteady Aerodynamic Modeling of Dynamic Oscillatory Wind Tunnel Data of the 18% Scale F-16XL Aircraft written by Nathan Mulcahey Szyba and published by . This book was released on 2004 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analysis of Wind Tunnel Oscillatory Data of the X-31A Aircraft

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ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Analysis of Wind Tunnel Oscillatory Data of the X-31A Aircraft by : Mark S. Smith

Download or read book Analysis of Wind Tunnel Oscillatory Data of the X-31A Aircraft written by Mark S. Smith and published by . This book was released on 1999 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analysis of Wind Tunnel Oscillatory Data of the X-31a Aircraft

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Publisher : Independently Published
ISBN 13 : 9781723776687
Total Pages : 128 pages
Book Rating : 4.7/5 (766 download)

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Book Synopsis Analysis of Wind Tunnel Oscillatory Data of the X-31a Aircraft by : National Aeronautics and Space Adm Nasa

Download or read book Analysis of Wind Tunnel Oscillatory Data of the X-31a Aircraft written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-17 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind tunnel oscillatory tests in pitch, roll, and yaw were performed on a 19%-scale model of the X-31A aircraft. These tests were used to study the aerodynamic characteristics of the X-31A in response to harmonic oscillations at six frequencies. In-phase and out-of-phase components of the aerodynamic coefficients were obtained over a range of angles of attack from 0 to 90 deg. To account for the effect of frequency on the data, mathematical models with unsteady terms were formulated by use of two different indicial functions. Data from a reduced set of frequencies were used to estimate model parameters, including steady-state static and dynamic stability derivatives. Both models showed good prediction capability and the ability to accurately fit the measured data. Estimated static stability derivatives compared well with those obtained from static wind tunnel tests. The roll and yaw rate derivative estimates were compared with rotary-balanced wind tunnel data and theoretical predictions. The estimates and theoretical predictions were in agreement at small angles of attack. The rotary-balance data showed, in general, acceptable agreement with the steady-state derivative estimates. Smith, Mark S. Langley Research Center NCC1-24; RTOP 522-25-21-07

Navier-Stokes, Flight, and Wind Tunnel Flow Analysis for the F/A-18 Aircraft

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Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Navier-Stokes, Flight, and Wind Tunnel Flow Analysis for the F/A-18 Aircraft by : Farhad Ghaffari

Download or read book Navier-Stokes, Flight, and Wind Tunnel Flow Analysis for the F/A-18 Aircraft written by Farhad Ghaffari and published by . This book was released on 1994 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Wind Tunnel Investigation of the Aerodynamic Hysteresis Phenomenon on the F-4 Aircraft and Its Effects on Aircraft Motion

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Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Wind Tunnel Investigation of the Aerodynamic Hysteresis Phenomenon on the F-4 Aircraft and Its Effects on Aircraft Motion by : J. F. Herman

Download or read book Wind Tunnel Investigation of the Aerodynamic Hysteresis Phenomenon on the F-4 Aircraft and Its Effects on Aircraft Motion written by J. F. Herman and published by . This book was released on 1980 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wind tunnel test program and an analytical study were conducted to investigate aerodynamic hysteresis phenomena on the F-4 aircraft. The wind tunnel test was conducted in the Arnold Engineering Development Center (AEDC) Aerodynamic Wind Tunnel (4T) to investigate the source of aerodynamic hysteresis in static aerodynamic data. The wind tunnel test also provided data that were used in a motion simulation study of the effect of hysteresis on predicted aircraft motion. Static longitudinal lateral directional force and moment data and wing pressure data were obtained on a 0.5-scale model (without pylons or external stores) with various simulated leading-edge slats. These data include the effects of Mach number, angle of attack, model movement, and time dependence on the aerodynamic hysteresis characteristics. Data are presented for the Mach number range from 0.7 to 0.95 at angles of attack from -4 to 24 deg at zero deg sideslip angle and for sideslipe angles from -12 to 12 deg at angles of attack of 5, 10, 15, and 20 deg. Six-degrees-of-freedom motion simulation studies were used to assess the effect of hysteresis in the rolling-moment coefficient on the prediction of aircraft motion. Simulations of various flight maneuvers were conducted both with and without hysteresis in the aerodynamic data. (Author).

Wind Tunnel/flight Data Correlation (u).

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Publisher :
ISBN 13 :
Total Pages : 506 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Wind Tunnel/flight Data Correlation (u). by : James A. Behal

Download or read book Wind Tunnel/flight Data Correlation (u). written by James A. Behal and published by . This book was released on 1971 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: A program was conducted to obtain data, both steady state and dynamic, from wind tunnel models and full scale flight tests of the RA-5C aircraft. Data were acquired on 0.228 and 0. 125 scale RA-5C inlet models and on a fully instrumented flight test RA-5C aircraft. Interim data reports presenting the data acquired during each test have been published. These data were utilized in this report to develop scaling techniques for correlating small scale model wind tunnel data with full scale flight data. Data presented include duct steady state operating characteristics and pressure distributions in the inlet and at the engine face. Dynamic data are presented in the form of engine face turbulence contour plots, radial turbulence distributions and selected spectral data functions. Data are presented for variations of angle of attack, angle of yaw, Reynolds number, ramp angle, secondary flow rates and inlet diverter width. Brief descriptions of the model and test methods are also presented.

Wind Tunnel/flight Data Correlation (u).

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Publisher :
ISBN 13 :
Total Pages : 692 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Wind Tunnel/flight Data Correlation (u). by : James A. Behal

Download or read book Wind Tunnel/flight Data Correlation (u). written by James A. Behal and published by . This book was released on 1971 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: A program was conducted to obtain data, both steady state and dynamic, from wind tunnel models and full scale flight tests of the RA-5C aircraft. Data were acquired on 0.228 and 0. 125 scale RA-5C inlet models and on a fully instrumented flight test RA-5C aircraft. Interim data reports presenting the data acquired during each test have been published. These data were utilized in this report to develop scaling techniques for correlating small scale model wind tunnel data with full scale flight data. Data presented include duct steady state operating characteristics and pressure distributions in the inlet and at the engine face. Dynamic data are presented in the form of engine face turbulence contour plots, radial turbulence distributions and selected spectral data functions. Data are presented for variations of angle of attack, angle of yaw, Reynolds number, ramp angle, secondary flow rates and inlet diverter width. Brief descriptions of the model and test methods are also presented.

Flight and Wind-tunnel Comparisons of the Inlet/airframe Interaction of the F-15 Airplane

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Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Flight and Wind-tunnel Comparisons of the Inlet/airframe Interaction of the F-15 Airplane by : Lannie D. Webb

Download or read book Flight and Wind-tunnel Comparisons of the Inlet/airframe Interaction of the F-15 Airplane written by Lannie D. Webb and published by . This book was released on 1984 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Wind Tunnel Investigation of the Aerodynamic Hysteresis Phenomenon on the F-4 Aircraft and Its Effects on Aircraft Motion

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Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Wind Tunnel Investigation of the Aerodynamic Hysteresis Phenomenon on the F-4 Aircraft and Its Effects on Aircraft Motion by : J. F. Herman

Download or read book Wind Tunnel Investigation of the Aerodynamic Hysteresis Phenomenon on the F-4 Aircraft and Its Effects on Aircraft Motion written by J. F. Herman and published by . This book was released on 1980 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wind tunnel test program and an analytical study were conducted to investigate aerodynamic hysteresis phenomena on the F-4 aircraft. The wind tunnel test was conducted in the Arnold Engineering Development Center (AEDC) Aerodynamic Wind Tunnel (4T) to investigate the source of aerodynamic hysteresis in static aerodynamic data. The wind tunnel test also provided data that were used in a motion simulation study of the effect of hysteresis on predicted aircraft motion. Static longitudinal lateral directional force and moment data and wing pressure data were obtained on a 0.5-scale model (without pylons or external stores) with various simulated leading-edge slats. These data include the effects of Mach number, angle of attack, model movement, and time dependence on the aerodynamic hysteresis characteristics. Data are presented for the Mach number range from 0.7 to 0.95 at angles of attack from -4 to 24 deg at zero deg sideslip angle and for sideslipe angles from -12 to 12 deg at angles of attack of 5, 10, 15, and 20 deg. Six-degrees-of-freedom motion simulation studies were used to assess the effect of hysteresis in the rolling-moment coefficient on the prediction of aircraft motion. Simulations of various flight maneuvers were conducted both with and without hysteresis in the aerodynamic data. (Author).

Wind-tunnel Measurement of lateral aerodynamic derivatives using a new oscillatory rig, with results and comparisons for the gnat aircraft

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Publisher :
ISBN 13 : 9780114711818
Total Pages : 28 pages
Book Rating : 4.7/5 (118 download)

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Book Synopsis Wind-tunnel Measurement of lateral aerodynamic derivatives using a new oscillatory rig, with results and comparisons for the gnat aircraft by : C. O. Oleary

Download or read book Wind-tunnel Measurement of lateral aerodynamic derivatives using a new oscillatory rig, with results and comparisons for the gnat aircraft written by C. O. Oleary and published by . This book was released on 1977 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Lateral Aerodynamic Parameters Extracted from Light Data for the F-8C Airplane in Maneuvering Flight

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Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Lateral Aerodynamic Parameters Extracted from Light Data for the F-8C Airplane in Maneuvering Flight by : William Tull Suit

Download or read book Lateral Aerodynamic Parameters Extracted from Light Data for the F-8C Airplane in Maneuvering Flight written by William Tull Suit and published by . This book was released on 1977 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: