Browsing NASA - National Aeronautics and Space Administration (NASA) by Title

Now showing items 1-20 of 3613

      • NACA ARR 3K04 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1943
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: INTRODUCTION
        One of the important requirements in the design of thin-metal columns for aircraft is the determination of the critical compressive stress at which local instability occurs. Local instability of a column ...
        Subject(s) : ALUMINUM SECTIONS-ALCOA 24ST , CHANNELS , CHARTS-STRESSES , COLUMNS , ALUMINUM-ALLOY-ALCOA 24ST-STRENGTH , COLUMNS-STRENGTH , LOADS-COLUMNS , MOMENT DISTRIBUTION , TUBING RECTANGULAR-STRESSES ,

      • NACA REPORT 874 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1947
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: This paper develops a new method for determining the buckling stresses of cylindrical shells under various loading conditions. In part I, the equation for the equilibrium of cylindrical shells introduced by Donnell in NACA ...
        Subject(s) : AEROELASTICITY , ANALYSIS (MATHEMATICS) , AXIAL COMPRESSION LOADS , BUCKLING , COMPARISON , CRITICAL LOADING , CYLINDRICAL SHELLS , DONNELL EQUATIONS , EDGES , ELASTIC SHELLS , SHEAR STRESS , STABILITY , STRESS ANALYSIS , STRESSED-SKIN STRUCTURES , SUPPORTS , THEORIES ,

      • NACA-ACR-3G20 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1943
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: Force tests in two-dimensional flow have been made on an NACA 66-009 airfoil with a flap having a chord 30 percent of the airfoil chord and a tab having a chord 20, percent of the flap chord. A plain flap and flaps having ...

      • NACA-ACR-3I20 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1943
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: INTRODUCTION
        The NACA has for some time been investigation airfoils equipped with high lift devices for the purpose of improving the performance characteristier these airfoils. The result of tests of ...
        Subject(s) : AERODYNAMIC , AIRFOIL , AIRFOILS , CHAR , COEFFICIENTS , DEVICES , DOUBLE , DRAG , FLAPPING , FLAPS , HIGH , LIFT , LOW , MOMENTS , NACA , ORDINATES , PITCHING , PRESSURE , PROFILES , SLOTTE , SLOTTED , TESTS , TUNNEL , TURBULENCE , WIND , WING , WINGS ,

      • NACA-ACR-3L08 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1943
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: INTRODUCTION
        The NACA has been conducting an extensive wind-tunnel investigation to determine the aerodynamic characteristics of various types of airplane control surface in order to supply data for design purposes. ...
        Subject(s) : AIRFOILS , BALANCED , BEVELED , BULGED , DEFLECTION , DISTRIBUTION , ELEVATORS , FLAPS , GAP , HINGE , LIFTING , LINE , MOMENTS , NACA , PRESSURE , SEALED , TABS , THEORIES , WING ,

      • NACA-ACR-3L20 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1943
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: Force-test measurements in two-dimensional flow have been made in the NACA 4- by 6-foot vertical tunnel to determine the aerodynamic characteristics of an NACA 66(215)-014 airfoil equipped with true-contour, ...

      • NACA-ACR-4A11 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1944
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: Test data of balanced ailerons have been collected from NACA and British sources. These data, which are presented in the form of charts, are grouped as A – ailerons with Frise balances, B - ailerons with blunt-nose ...

      • NACA-ACR-4B28 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1944
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: Wind-tunnel tests have been made in two-dimensional flow to investigate the aerodynamic characteristics of a flap balanced by a large overhang linked to deflect more slowly than the flap. Three lengths of blunt-nose overhang ...

      • NACA-ACR-4C11 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1944
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: INTODUCTION
        Tests were made in the LMAL 7- by 10-foot tunnel of a 0.7-scale model of the XF6F vertical tail surface. These tests were undertaken to obtain data for use in data useful for the XF6F vertical tail ...
        Subject(s) : AIRCRAFT , AIRFOILS , ASSEMBLIES , BALANCED , CONTROL , DISTRIBUTION , F6F , GRUMMAN , HINGE , HORN , MOD , MODELS , MOMENTS , NACA , ORDINATES , PRESSURE , SCALE , SERIES , SURFACE , SURFACES , TABS , TAIL , TESTS , TUNNEL , VERTICAL , WIND ,

      • NACA-ACR-5D28 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1945
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: INTRODUCTION
        Previous tests (reference 1) showed that a spoiler in front of a conventional aileron will increases the rolling moment as well as decrease the stick force. At high spoods, even a small ...
        Subject(s) : AAL , AILERONS , AIRFOILS , BALANCED , CARRIED , CONTROL , CURTIS , DEVICES , DRAG , FLAPS , HIGH , HINGE , HINGED , LATERAL , LOW , MOMENTS , NACA , SPEED , SPOILERS , TAPERED , TESTS , TUNNEL , WIND , WING , WINGS , WORK ,

      • NACA-ACR-L4D12 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1944
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: Force tests in two-dimensional flow have been made in the NACA 4- by 6-foot vertical tunnel to determine the aerodynamic characteristics of an NACA 0009 airfoil with flaps having chords 20, 30, and 40 percent of the airfoil ...

      • NACA-ACR-L4F23 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1944
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: Wind-tunnel tests have been made in two-dimensional flow to investigate the aerodynamic characteristics of a double flap with an internal and an overhang balance. Three sizes of each typee of balance were tested with three ...

      • NACA-ACR-L5F13 REV A 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1945
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: An investigation has been made in two-dimensional flow to determine the effect of leakage pas the aileron nose on the aerodynamic characteristics of ailerons. Plain and internally balanced ailerons of 0.20 airfoil chord ...

      • NACA-ACR-L5F27 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1945
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: An investigation was made of three interchangeable sealed-gap 0.20-airfoil –chord plain ailerons of different contour on the NACA 65-210 airfoil section. The three aileron contours tested were the true airfoil contour, ...

      • NACA-ACR-L5G31 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1945
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: INTRODUCTION
        Several high-speed military airplanes in dives have encountered difficulties that could not be easily  controlled by normal means. These difficulties, which may consists of diving moments, large changes ...

      • NACA-ACR-L5H08 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1945
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: Tests were performed in the Gottingen (Germany) and Guidonia (Italy) supersonic tunnels in order to determine the aerodynamic characteristics of projectiles of various shapes. The Mach numbers ranged from about 1.3 to 3.2 ...

      • NACA-ACR-L6C13 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1946
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: INTRODUCTION
        A jet, as it spreads by turbulent mixing, is known to entrain outside air in the mixing zone. Air is thus drawn into the jet and the external flow is caused to incline toward the jet axis. ...
        Subject(s) : AIRCRAFT , ANGLE , ATTACK , DEFLECTION , EFFECTS , FLOW , JET , LONGITUDINAL , STABILITY , TEMPERATURE ,

      • NACA-ARR 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1942
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: INTRODUCTION
        The Shear webs employed in aircraft structures are frequently perforated with regularly spaced holes to lighten the web or to provide access to the interior of the structure. Round holes ...
        Subject(s) : ALUMINUM ALLOYS-ALCOA 24ST-STRENGTH , EFFECT OF HOLES , JIGS , MONOCOQUE CONSTRUCTION , STRESSED SKIN , STRESSED SKIN-SHEETS , BEADED , TESTING , WORK CARRIED ON AT LAL ,

      • NACA-ARR-3E25 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1943
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: INTRODUCTION
        At the request of the Army Air Forces, Material Command, measurements were made of the pressures on the tail surfaces of the Republic Aviation Corporation P-47B airplane in the NACA full-scale tunnel. The ...

      • NACA-ARR-3F23 

        Type: standard
        Source: NASA - National Aeronautics and Space Administration (NASA):;1943
        Organization : NASA - National Aeronautics and Space Administration (NASA)
        Abstract: INTRODUCTION
        Considerable data are available for the evaluation of the effect of aerodynamic interference between wing, fuselage, and vertical tail on lateral-stability characteristics (references 1, ...
        Subject(s) : AIRFOILS , CHARACTERISTICS , CHORD , CIRCULAR , DIHEDRAL , EFFECT , END , FLAPS , FUSELAGES , HORIZONTAL , LATERAL , MOMENTS , NACA , PARTIAL , PLATES , ROLLING , SPAN , SPLIT , STABILITY , SURFACES , SWEEPBACK , TAIL , TAPERED , TESTS , TUNNEL , VERTICAL , WIND , WING , WINGS , YAWING ,