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Thursday, July 30, 2020 | History

2 edition of Effects of stores on longitudinal aerodynamic characteristics of a fighter at supersonic speeds found in the catalog.

Effects of stores on longitudinal aerodynamic characteristics of a fighter at supersonic speeds

Samuel M Dollyhigh

Effects of stores on longitudinal aerodynamic characteristics of a fighter at supersonic speeds

by Samuel M Dollyhigh

  • 132 Want to read
  • 9 Currently reading

Published by National Aeronautics and Space Administration, Scientific and Technical Information Office, for sale by the National Technical Information Service in [Washington], Springfield, Va .
Written in English

    Subjects:
  • Fighter planes,
  • Weapons systems

  • Edition Notes

    StatementSamuel M. Dollyhigh, Giuliana Sangiorgio, and William J. Monta
    SeriesNASA technical paper ; 1175
    ContributionsSangiogio, Giuliana, joint author, Monta, William J., joint author, United States. National Aeronautics and Space Administration. Scientific and Technical Information Office
    The Physical Object
    Pagination43 p.
    Number of Pages43
    ID Numbers
    Open LibraryOL14931988M

    Abstract: Accelerated longitudinal maneuvers were performed at transonic speeds with a swept-wing fighter-type airplane having several slat-span configurations. The effects of these slat-span configurations on the stability and control characteristics of the airplane are discussed and compared with existing wind-tunnel data.   Supersonic/Hypersonic Aerodynamics Branch). The aerodynamic haracteristicsc of the baseline model were compared with those of the generic wing model to aluateev the aerodynamic e ects of integrating the advanced generic wing planform into a realistic ghter aircraft con guration. Longitudinal and lateral-directional force and mo-.

    The faster you fly, the more supersonic air travels over the wing. However, when the air slows down below Mach 1, it creates a shock wave. As the air flows along the wing, it sends out pressure waves - which move at the speed of sound. That means that the pressure waves can't move forward through the supersonic air flow.   The longitudinal axis from nose to tail, also called the axis of roll, i.e. rolling one wing up and one wing down. The lateral axis from wing tip to wing tip, also called the axis of pitch, i.e. nose up or nose down. The normal axis from the top of the cabin to the bottom of landing gear, also called the axis of yaw, i.e. nose rotates left or.

      Analysis and design of wing-body combinations at subsonic and supersonic speeds. FRANK A. WOODWARD; FRANK A. WOODWARD. The Boeing Company, Seattle, Wash. Unsteady subsonic aerodynamics for bodies and wings with external stores including wake effect. Determination of the aerodynamic characteristics of the mission adaptive wing. Aerodynamic characteristics of a supersonic fighter aircraft model at Mach to Washington, D.C.: National Aeronautics and Space Administration, .


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Effects of stores on longitudinal aerodynamic characteristics of a fighter at supersonic speeds by Samuel M Dollyhigh Download PDF EPUB FB2

Effects of stores on longitudinal aerodynamic characteristics of a fighter at supersonic speeds. [Washington]: National Aeronautics and Space Administration, Scientific and Technical Information Office ; Springfield, Va.: For sale by the National Technical Information Service, (OCoLC) Material Type.

Effects of stores on longitudinal aerodynamic characteristics of a fighter at supersonic speeds / By Samuel M. Dollyhigh, joint author. William J. Monta, joint author. Effects of stores on longitudinal aerodynamic characteristics of a fighter at supersonic speeds. The stores were mounted on the fuselage of a model representing a fighter configuration.

Store base closure effects in the carriage condition were also obtained through tests. Static Longitudinal Stability and Performance Characteristics of a Supersonic Fighter-Bomber Airplane. NASA TM X, Julypp and Monta, W. J.: Effects of Stores on Longitudinal Aerodynamic Characteristics of a Fighter at Supersonic Speeds.

NASATP-II75, F Grafton, S. B.; and Anglin, E. L.: Static and Dynamic Aero. Experimental Data on Store Loads at Subsonic Speeds Effect of store chordwise position Effect of spanwise position Effect of vertical location Effect of store shape (including fins) Effect of aircraft geometry Effect of aircraft incidence Effect of aircraft sideslip Effects of.

Get this book in print illustrated increased increment indicated internal IRST Langley lateral-directional leading-edge flaps LEF TEF Config lift linear Longitudinal aerodynamic characteristics lower Mach numbers Mean aerodynamic chord minimum drag Model Generic Wing moment NASA obtained percent Supersonic Aerodynamic Characteristics of.

As part of a continuing program to study the aerodynamics of supersonic fighter aircraft, the National Aeronautics and Space Admi ni strati on has conducted an i nvesti- gation to determine the effects of external stores on the stability and control characteristics of a del ta-wi ng fighter model configuration.

The model incorporated. Effect of Longitudinal Ridges on the Aerodynamic Characteristics of an Airfoil de vices in adverse pressure gradients a nd at supersonic speeds three-dimensional effects, the influence of.

evaluation of delta wing effects on the stealth-aerodynamic features for non-conventional fighter aircraft Conference Paper (PDF Available) September with 1, Reads How we measure 'reads'. Adriana Nastase, in Computation of Supersonic Flow over Flying Configurations, Introduction.

The aerodynamic characteristics C ℓ, C m, C d (t) and the pressure coefficient C p were measured in the trisonic wind tunnel, with the test section (60 × 60) cm 2, of the DLR †-Koeln on eight wing models, i.e. the wedged and the double wedged delta wings, the wedged delta wing fitted.

Unfortunately, these low-tall positions usually aggravate the problem of excessive longitudinal stability at supersonic speeds, inasmuch as the tail may encoimter a field of upwash from the fuselage. (See refs. 3 to 5; for example.) High horizontal tails, on the other hand, have some beneficial effects at supersonic speeds.

W.H. Mason Supersonic Aerodynamics 7/31/16 The best paper to read on the B is by Erickson.1 The airplane had a poor safety record. In part this was because the tires were very small to allow the gear to fit in the fuselage.

The takeoff and landing speeds were high, and the tires sometimes blew up. It was also very difficult to maintain. Aerodynamic Shape Optimization for Supersonic Aircraft James Reuther NASA Ames Research Center Moffett Field, CA the aging Concorde continues to fly at supersonic speeds account for nonlinear aerodynamic effects including compressibility, viscosity and geometric complexity.

At supersonic speeds such phenomena show a greater and more interesting variety. Search for the minimum number of guiding principles of design thus becomes more difficult and more dangerous. Studies which can cover an adequate range of geometrical form are at present limited to the linearized version of aerodynamic theory.

The main goal of the proposed paper is the analysis of aerodynamic characteristics of an various supercritical airfoils like, and influence on the dramatic improvement in lift and reduction of drag in low speed aircraft.

Numerical Transonic Aerodynamics 33 4 Supersonic Drag 36 Friction Drag 37 Wave Drag 39 Lift-Induced Drag 42 2 Aircraft Characteristics -Fighter/Attack Geometry iv. Prediction of Aerodynamic Drag including thrust effects, are the subject of this book.

To study the supersonic aerodynamic characteristics of an aircraft, the calculation model is the supersonic airfoil, including two types―diamond-shaped airfoil and symmetric double-curved airfoil.

The methods include the shock wave expansion method, the first approximation method, and the second approximation method. Influence of External Store Aerodynamics on Flutter/LCO of a Fighter Aircraft.

In-Flight Wing Deformation Characteristics During Limit Cycle Oscillations. Charles M. Denegri Jr., A study of the effect of store aerodynamics of wing/store flutter. TURNER. Planform effects on a single fuselage representative of an advanced fighter aircraft were studied.

Results show that the highly swept cranked wings exceeded the aerodynamic performance levels, at low lift coefficients, of the 65 deg delta wing and the 20 deg. Low-speed longitudinal aerodynamic characteristics of slender wings.

Pitching moment of low aspect ratio wing-body combinations up to high angles of attack at supersonic speeds. ESDU Effect of wing height on lift and aerodynamic centre for a slender wing-body combination.

Drag of fighter-type canopies at subcritical Mach numbers. Dusto, A.R.: An analytical method for predicting the stability and control characteristics of large elastic airplanes at subsonic and supersonic speeds, part I—analysis.

In: Aeroelastic Effects from a Flight Mechanics Standpoint, vol. AGARD () Google Scholar.Effect of Wing Geometry on Lift at Supersonic Speeds 17 Journal of Engineering Science and Technology Special Issue 8/ Nomenclatures A Aspect ratio b Wing span, m CL Lift coefficient CLα Lift-force curve slope, 1/rad.

CMAC Mean aerodynamic chord, m Cr Root chord, m Ct Tip chord, m c Speed of sound, m/s M Mach number M∞ Free stream Mach number. At supersonic speeds, the drag “penalty” for redirecting significant amounts of air is magnified.

That’s why engineers create long, slender supersonic aircraft with pointed noses and tapering fuselages. As a result, all supersonic aircraft are shaped the same way to be as aerodynamic .