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Some New Concepts in Oscillatory Lifting Surface Theory.


Report Number: AFFDL TR 69-2
Author(s): Houbolt, John C.
Corporate Author: Aeronautical Research Associates Of Princeton Inc NJ
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 6/1/1969
Pages: 78
Contract: F33615-67-C-1191
Project: 1367
Task: 136702
AD Number: AD0857522
Photo Enhancement: Not Needed

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Digital Computation Of Stresses And Deflections In A Box Beam. A Performance Comparison Between Finite Element Models And Idealization Patterns.


Report Number: AFFDL TR 69-4
Author(s): Sander, G.; Beckers, P.; Nguyen, H. D.
Corporate Author: Liege Univ (Belgium) Laboratoire De Techniques Aeronautiques Et Spatiales
Publication Date: 1/1/1967
Pages: 54
Project: 0
Task: 0
AD Number: AD0664930
Photo Enhancement: Not Needed

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Membrane Elements for Polygonal Cylindrical Reinforced by Rings and Stiffeners


Report Number: AFFDL TR 69-19
Author(s): Beckers, P.
Corporate Author: Laboratoire De Techniques Aeronatiques et Spatiales, Universite De Liege
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 2/1/1969
Pages: 54
Contract: AF 61(052)-892
Project: 1467
Task: 146705
AD Number: AD0686097
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Scratch Strain Gage Evaluation


Report Number: AFFDL TR 69-25
Author(s): Haglage, T. L.; Wood, H. A.
Corporate Author: Air Force Flight Dynamics Laboratory
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 7/1/1969
Pages: 44
Contract: Laboratory Research - No Contract
Project: 1467
Task: 146704
AD Number: AD0692480
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VTOL Handling Qualities Criteria Study Through Moving-Base Simulation


Report Number: AFFDL TR 69-27
Author(s): McCormick, R. L.
Corporate Author: Cornell Aeronautical Laboratory
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 10/1/1969
Pages: 628
Contract: AF 33(615)-3736
Project: 698DC
Task: None Given
AD Number: AD0863818
Photo Enhancement: Not Needed

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Development and Experimental Verification of a Computer Program for Predicting Temperature Distribution and Heat Transfer Through Coated and Uncoated, Single or Multi-glaze Window Systems


Report Number: AFFDL TR 69-28
Author(s): Korb, Gary M.; Dayton, Ronald D.; Summerville, Duncan
Corporate Author: Midwest Research Institute
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 4/1/1969
Pages: 212
Contract: AF 33(615)-5164
Project: 1368
Task: 136802
AD Number: AD0851479
Photo Enhancement: Complete

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F-105F Transonic Buffet Study and Effect of Maneuvering Flaps


Report Number: AFFDL TR 69-37
Author(s): Milton Margolin; Jung G. Chung
Corporate Author: Fairchild Hiller Corporation
Laboratory: Air Force Flight Dynamics Laboartory
Publication Date: 7/1/1969
Pages: 232
Features: + Diagram(s) + Drawing(s) + Foldout(s) + Graph(s) + Photo(s) + Table(s)
Contract: F33657-68-C-1057
Project: None Given
Task: None Given
AD Number: AD0693650
Photo Enhancement: Complete

Abstract Text:

A flight test investigation was made using a Republic F-105F aircraft to obtain data related to high subsonic-transonic buffet and the effects of utilizing a maneuvering flap. Flight tests were made at nominal altitudes of 25,000 feet and 35,00 feet. At each altitude, data was collected at three Mach numbers from level flight to maximum usable lift. A related investigation was made using a 1/22-scale model of the F-105F aircraft in the NASA Langley High-Speed Wind Tunnel. The wind tunnel tests were made at three Mach numbers (0.80, 0.85 and 0.90) and data was obtained from zero angle-of-attack to the strain gage balance limits. Flight test results compare readily to wind tunnel data. The boundary layer profiles between flight test and wind tunnel are quite similar. The angles of attack at buffet onset are also comparable. Selection of the leading edge flap and trailing edge flap deflection may be made on the basis of the greatest normal force coefficient at buffet onset, but the final criterion will be level of buffet intensity apparent to the pilot. This level may be varied with the leading edge flap deflection.

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A Flight Investigation of Lateral-Directional Handling Qualities for V/STOL Aircraft in Low Speed Maneuvering Flight


Report Number: AFFDL TR 69-41
Author(s): K-H. Doetsch; D. G. Gould; D. M. McGregor
Corporate Author: National Aeronautical Establishment, Canada
Laboratory: Air Force Flight Dynamics Laboartory
Publication Date: 3/1/1970
Pages: 188
Contract: Laboratory Research - No Contract
Project: None Given
Task: None Given
AD Number: AD0707831
Photo Enhancement: Complete

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Stress Analysis Manual


Report Number: AFFDL TR 69-42
Author(s): Gene E. Maddux; Leon A. Vorst; F. Joseph Giessler; Terence Moritz
Corporate Author: Air Force Flight Dynamics Laboratory; Technology Incoporated
Corp. Rep. Number: TI-219-69-24
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 8/1/1969
Pages: 579
Contract: F33615-67-C-1538
Project: 1467
Task: 146702
AD Number: AD0759199

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Nomograph Construction Methods


Report Number: AFFDL TR 69-44
Author(s): Robert R. Yeager
Corporate Author: Technology Incoporated
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 4/1/1970
Pages: 35
Contract: F33615-67-C-1538
Project: 1467
Task: 146702
AD Number: AD0708172

Abstract Text:

The report presents nomographic methods developed to graphically represent the various functional relationships between three or more parameters interrelated by equations. Also included are methods developed to vary both the form and the size of given nomographs. These developments were based on colinear techniques.

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Crack Propogation in Aluminum Alloy Sheet Materials Under Flight-Simulation Loading


Report Number: AFFDL TR 69-50
Author(s): Schijve, J.; Jacobs, F. A.; Tromp, P. J.
Corporate Author: National Aerospace Laborator, Amsterdam, The Netherlands
Laboratory: Air Force Flight Dynamics Laboartory
Publication Date: 9/1/1970
Pages: 76
Contract: F61052-67-C-0076
Project: None Given
Task: None Given
AD Number: AD0715331
Photo Enhancement: Complete

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Low Altitude Atmospheric Turbulence Lo-Locat hase III Interim Report: Volume II. Instrumentation and Data Processing Details, Gust Velocity Data, and Test Log


Report Number: AFFDL TR 69-63 Volume 2
Author(s): Monson, K. R.; Jones, G. W.; Mielke, R. H., et al.
Corporate Author: Boeing Company
Laboratory: Air Force Flight Dynamics Laboartory
Publication Date: 10/1/1969
Pages: 322
Contract: F33615-68-C-1468
Project: None Given
Task: None Given
AD Number: AD0864273
Photo Enhancement: Complete

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Analysis Of Shallow Shells By The Method Of Point Matching


Report Number: AFFDL TR 69-71
Author(s): Leissa, Arthur W.; Kadi, Adel S.
Corporate Author: Ohio State Univ Research Foundation Columbus
Laboratory: Air Force Flight Dynamics Laboartory
Publication Date: 8/1/1969
Pages: 232
Contract: F33615-67-C-1177
Project: None Given
Task: None Given
AD Number: AD0696199
Photo Enhancement: Not Needed

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Wind Tunnel Tests of a Free-Wing Tilt-Propeller V/STOL Airplane Model


Report Number: AFFDL TR 69-80
Author(s): T. Strand; E. S. Levinsky
Corporate Author: Air Vehicle Corporation
Laboratory: Air Force Flight Dynamics Laboartory
Publication Date: 10/1/1969
Pages: 62
Contract: F33615-68-C-1672
Project: None Given
Task: None Given
AD Number: AD0698355
Photo Enhancement: Not Needed

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Approximate Solution Of Plane Orthotropic Elasticity Problems5


Report Number: AFFDL TR 69-84
Author(s): Schimke, Joel; Thomas, Kevin; Garrison, John
Corporate Author: Bell Aerosystems Co Buffalo N Y
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 1/1/1970
Pages: 364
Contract: AF 33(615)-68-C-1560
Project: 1467
Task: 146702
AD Number: AD0702875
Photo Enhancement: Not Needed

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Parametric Fatigue Analysis of USAF Fighter Aircraft


Report Number: AFFDL TR 69-85
Author(s): George J. Roth; Blaine S. West
Corporate Author: University of Dayton Research Institute
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 1/1/1970
Pages: 118
Contract: F33615-68-C-1494
Project: 1467
Task: 146704
AD Number: AD0866473
Photo Enhancement: Not Needed

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Prediction Of Supersonic Laminar Flow Separation By The Method Of Integral Relations With Free Interaction.


Report Number: AFFDL TR 69-87
Author(s): Kuhn, Gary D.; Goodwin, Frederick K.; Nielsen, Jack N.
Corporate Author: Nielsen Engineering And Research Inc Palo Alto Calif
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 1/1/1970
Pages: 104
Features: + Graph(s)
Contract: F33615-68_c-1499
Project: 8219
Task: 821902
AD Number: AD0702104
Photo Enhancement: Not Needed

Abstract Text:

The report describes the development of a predictive method for calculating separated laminar boundary layers on flat-plate-wedge and cylinder-flare configurations in supersonic flow and the application of the method to predicting the effects of Mach number, Reynolds number, and temperature ratio on the properties of the boundary layer. The purpose of the report is to extend previous analytical work employing the method of integral relations to the region downstream of reattachment and to describe an interative technique developed to produce a unique solution. The theory is shown to produce good comparisons with pressure data on flat-plate-wedge configurations for both adiabatic and cold walls. Accounting for non-Blasius initial velocity profiles produced by favorable pressure gradients upstream of the beginning of interaction was shown to decrease the predicted extent of separation. For axisymmetric configurations the length of an equivalent cylinder must be calculated by an auxiliary method. Good to fair comparisons with experimental pressure distributions were produced by adjusting the equivalent cylinder length. Fair comparison was produced between the theory and experimental heat-transfer rate data on an ogive-cylinder-flare configuration. The theory is shown to predict an incipient separation wedge angle which agrees reasonably well with experimental results.

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Investigation of Constraints in Thermal Similitude, Volume 1.


Report Number: AFFDL TR 69-91 Volume 1
Author(s): Miller, Paul L.; Holm, Francis W.
Corporate Author: Kansas State University Department of Mechanical Eningeering
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 12/1/1969
Pages: 104
Contract: F33615-68-C-1017
Project: None Given
Task: None Given
AD Number: AD0701392
Photo Enhancement: Not Needed

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Investigation of Constraints in Thermal Similitude. Volume II.


Report Number: AFFDL TR 69-91 Volume 2
Author(s): Miller, Paul L.; Holm, Francis W.
Corporate Author: Kansas State University Department of Mechanical Engineering
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 12/1/1969
Pages: 100
Contract: F33615-68-C-1017
Project: None Given
Task: None Given
AD Number: AD0070767
Photo Enhancement: Not Needed

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Research and Development of an Integrated Servo Actuator Package for Fighter Aircraft.


Report Number: AFFDL TR 69-109
Author(s): Koch, Werner G.
Corporate Author: LTV Electrosystems Inc Arlington TX
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 11/1/1969
Pages: 304
Features: + Diagram(s) + Drawing(s) + Foldout(s) + Graph(s) + Photo(s) + Table(s)
Contract: F33615-68-C-1387
Project: None Given
Task: None Given
AD Number: AD0867038
Photo Enhancement: Not Needed

Abstract Text:

A study was conducted to determine the feasibility of implementing present day fighter and attack aircraft with integrated actuator packages in the primary flight control system. The integrated package concept results in a control system having a considerably lower vulnerability to small arms fire than the conventional control system. A Simplex actuator, containing a single self-contained hydraulic supply was designed to meet the performance and structural interface requirements of the F-4 stabilator actuator. Three units were fabricated and functionally tested. One of the Simplex units was subjected to a comprehensive qualification test. The other two units were delivered to McDonnell Aircraft Company for flight testing. A Duplex integrated actuator, containing dual self-contained hydraulic systems and quadruplex electrical input channels, was designed, built, and tested. Test results demonstrate the basic feasibility of electrically signalled integrated actuator packages. Specific recommendations for further development of the integrated package concept are included.

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Flight Test Evaluation of a Scratch Strain Gage.


Report Number: AFFDL TR 69-116
Author(s): Haglage, Theodore L.
Corporate Author: Air Force Flight Dynamics Laboratory
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 6/1/1970
Pages: 54
Contract: Laboratory Research - No Contract
Project: 1467
Task: 146704
AD Number: AD0872502
Photo Enhancement: Complete

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A Stability and Control Prediction Method for Helicopters and Stoppable Rotor Aircraft. Volume I. Engineer's Manual


Report Number: AFFDL TR 69-123 Volume 1
Author(s): Charles L. Livingston
Corporate Author: Bell Helicopter Company
Laboratory: Air Force Flight Dynamics Laboratory
Publication Date: 2/1/1970
Pages: 86
Contract: F33615-69-C-1121
Project: 8219
AD Number: AD0707881
Photo Enhancement: Not Needed

Abstract Text:

This report describes a mathematical model of rotorcraft that may be used to determine characteristics of performance, stability, response, and rotor blade loads. The complexity of the equations used requires the use of a digital computer for efficient solution. This four volume report describes the computer program in detail and illustrates the method of computing rotorcraft characteristics by specific example.

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