NASA - National Aeronautics and Space Administration (NASA): Recent submissions

Now showing items 1381-1400 of 3613

    • NASA-LLIS-0201 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The full-scale ASRM propellant manufacturing facility may not be directly scaleable from the continuous mix pilot plant. Particular problem areas relate to the particle ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Facilities , Fire Protection ,

    • NASA-TN-D-5204 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Surface pressure distribution on spherical blunted cones, and correlation of Mach numbers, cone angle, and angle of attack
      Subject(s) : ANGLE , ATTACK , BLUNT , BODIES , CAPS , CHARACTERISTICS , CONES , CORRELATION , DISTRIBUTION , EQUATIONS , FLAT , FLOW , GEOMETRY , MACH , NOSE , NUMBER , PLATES , POINT , PRESSURE , SPHERICAL , STAGNATION , STATIC , SUPERSONIC , SURFACE , TUNNELS , WIND ,

    • NACA-TN-763 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1940
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Aerodynamic force tests of an NACA 23018 airfoil with a Gwinn flap having a chord 25 percent of the overall chord and of an NACA 23015 airfoil with a plain flap having a 25-percent chord were conducted to determine the ...

    • NASA-LLIS-1224 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During processing of flight 2A element at the KSC SSPF, hardware that had previously been configured for test or closed out for flight was inadvertently deconfigured / ...
      Subject(s) : Administration/Organization , Configuration Management , Ground Operations , Policy & Planning , Safety & Mission Assurance , Test & Verification ,

    • NACA-TN-1668 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was conducted to determine the effects of geometric dihedral on the low-speed static stability and yawing characteristics of an untapered 45° sweptback-wing model of aspect ratio 2.61. The results of ...
      Subject(s) : AIRFOILS , ASPECT , CARRIED , CHARACTERISTICS , DIHEDRAL , LAL , MOMENTS , NACA , PITCHING , RATIO , ROLLING , SIDESLIPPING , SMALL , STABILITY , SWEPTBACK , TESTS , TUNNEL , WIND , WINGS , WORK , YAWING ,

    • NASA-LLIS-0792 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Design spacecraft hardware assemblies with the required radiation design margin (RDM) to assure that they can withstand ionization effects and displacement damage resulting from the flight ...

    • NASA-TN-D-3515 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1966
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Ground-run tests with bogie-type landing gear on water and slush covered runways.
      Subject(s) : GROUND TESTS , LANDING GEAR , RUNWAY CONDITIONS , RUNWAYS , SLUSH , WATER , WATER LANDING ,

    • NASA-LLIS-0064 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      After the towing convoy turned off the runway onto the tow way, the cool tractor/trailer suddenly stopped. The observer caused the rig to suddenly stop when his hand ...
      Subject(s) : Facilities , Flight Equipment , Ground Equipment , Ground Operations , Hardware , Launch Process , Launch Vehicle , Transportation ,

    • NACA-ARR-3J02 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1943
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Cut-outs In wings or fuselages produce stress concentrations that present a serious problem to the stress analyst. As a partial solution of the general problem, this paper presents formulas for calculating the stress ...
      Subject(s) : ALUMINUM ALLOYS - ALCOA 24ST - STRENGTH , INSTRUMENTS - STRAIN GAUGES - TUCKERMAN , STRESSED SKIN , STRESSED SKIN-STIFFENER COMBINATION - STRESSES - EFFECT OF ,

    • NASA-LLIS-0995 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Implementation of the Space Flight Operations Contract (SFOC).
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Ground Operations , Human Resources & Education ,

    • NACA-TN-4230 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1958
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: It is found that Prandtl-Meyer flow, in which chemical reactions are occurring and are in equilibrium, can be simply and exactly calculated. The property of air which governs the flow is found to be a quantity which ...

    • NACA-TN-3671 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The investigation reported herein was conducted on a transonic bump to determine the aerodynamic characteristics of a series of triangular wings. Four basic triangular-wing plan forms having aspect ratios of 2.0, 2.5, 3.0, ...

    • NASA-TM-81470 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1980
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A semi-empirical model for predicting the noise generated by jets exhausting from circular nozzles is presented and compared with small-scale static and simulated-flight data. The present method is an updated version of ...
      Subject(s) : ANECHOIC CHAMBERS , CONVECTION , FLIGHT SIMULATION , FREE BOUNDARIES , INTERACTIONS , JET AIRCRAFT NOISE , NOISE PREDICTION (AIRCRAFT) , NOZZLE GEOMETRY , SHOCK WAVES , SOUND PRESSURE , STATIC TESTS , SUPERSONIC FLOW , TURBULENT FLOW ,

    • NASA-LLIS-0623 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Tethered Satellite System (TSS) Satellite Support Assembly (SAA) was inadvertently scheduled for delivery to the Florida Space Institute prior to de-integration of ...
      Subject(s) : Configuration Management , Energetic Materials - Explosive/Propellant/Pyrotechnic , Explosives Handling , Flight Equipment ,

    • NASA-LLIS-1453 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Standard office electronics should be immediately available to the Investigation Board or Task Force without waiting for them to be requested to avoid contractual nightmares caused by hastily ...
      Subject(s) : Accident Investigation , Administration/Organization , Facilities , Logistics , NASA Standards , Policy & Planning , Procurement Small Business & Industrial Relations , Safety & Mission Assurance ,

    • NASA NPD 1383.2 REV C 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Applicability
      This NPD is applicable to NASA Headquarters and NASA Centers, including Component Facilities, and Technical and Service Support Ceners. This language applies to JPL, other contractors, ...

    • NASA-LLIS-0851 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Prior to venting a hydrogen (H2) system, initiate a gaseous helium (GHe) sweep purge to evacuate air from the vent line. After venting operations are complete, initiate a second ...

    • NACA-TN-2661 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1952
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Previously published methods for stress and strength analysis of plane and curved shear webs working in diagonal tension are presented as a unified method. The treatment is sufficiently comprehensive and detailed to make ...
      Subject(s) : ANALYSIS , BEAMS , BENDING , BUCKLING , CONCENTRATION , CRITICAL , CURVED , ELASTICITY , FAILURE , FLANGES , LOADING , MODULUS , MOMENTS , NUMERICAL , PANELS , RELATIONSHIPS , RINGS , RIVETS , SHEAR , STRAIN , STRENGTH , STRESS , STRINGERS , SUPPORTS , TENSILE , TENSION , WEBS ,

    • NACA-RM-A53C19 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A great number of data axe available on the aerodynamic characteristics of tapered wings at high subsonic speeds; however these data cu?e difficult to correlate because of the differences in testing,techniques ...

    • NASA-CR-1646 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Computer program used for design criteria of stall characteristics of straight wing aircraft