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

Now showing items 3401-3420 of 3613

    • NACA-TN-690 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1939
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A resume of the generally available test data regarding air loads on slats and flaps is presented and data attained up to the fall of 1938 are included. The data are given in the form of N.A.C.A. standard coefficients of ...

    • NASA-LLIS-0195 

      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 movement of some requests for software upgrades to crew procedures is a matter of serious concern. The crew already has a very large number of procedures with which ...
      Subject(s) : Flight Equipment , Flight Operations , Human Factors , Software ,

    • NASA-LLIS-1215 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      After completion of the rotation of the Z-1 truss segment using a cab-operated 30-ton overhead bridge crane, the lifting device down rods were disconnected from the flight ...
      Subject(s) : Facilities , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Human Factors , Industrial Operations , Lifting Devices , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,

    • NASA-LLIS-0849 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Predictive maintenance is a technique that allows for a systematic method of monitoring and trending of equipment condition. This activity takes place while equipment is on-line and provides ...

    • NACA-TR-739 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1942
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The bending stresses in the covers of box beams or wide-flange beams differ appreciably from the stresses predicted by the ordinary bending theory on account of shear deformation of the flanges. The problem of predicting ...
      Subject(s) : BENDING , BOX BEAMS , COMPARISON , EXPERIMENTATION , FLANGES , NUMERICAL ANALYSIS , OPENINGS , PREDICTION ANALYSIS TECHNIQUES , RIBS (SUPPORTS) , SHEAR STRESS , STRESS ANALYSIS , STRESSED-SKIN STRUCTURES , STRINGERS , THEORIES ,

    • NASA-LLIS-0051 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A hypergol technician erred in the removal of a temperature transducer from a 3-inch hypergol line at the "Pad A" fuel farm, resulting in a major fuel spill and hypergol ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Ground Equipment , Ground Operations , Hazardous/Toxic Waste/Materials , Human Factors , Industrial Operations , Packaging Handling Storage , Safety & Mission Assurance ,

    • NACA-TR-1199 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Considerable interest has recently been shown in means of obtaining satisfactory stability of the dutch roll oscillation for modern high-performance airplanes without resort to complicated artificial stabilizing devices. ...

    • NASA-LLIS-0598 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      JPL flight projects since the 1960s-- Ranger 6, Mariner Mars, Viking 2, Voyager, Galileo, NSCAT, Magellan, and Mars Observer-- have a history of susceptibility to corona when exposed to regimes ...
      Subject(s) : Electrostatic Discharge , Environment ,

    • NASA-LLIS-1470 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The lack of early adoption of a document management and archival policy made it difficult for the document management staff to obtain Investigation Board generated documents for inclusion in ...
      Subject(s) : Accident Investigation , Administration/Organization , NASA Standards , Policy & Planning , Safety & Mission Assurance ,

    • NASA-LLIS-0878 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      The S-Band Uplink Monitoring System provides the means to verify the voice and data communications received by the Orbiter while at the launch pad are complete and error-free.

    • NACA-TN-1428 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This paper is a compilation of formulas, tables, and curves that has been found to be very useful in the analysis of supersonic wind-tunnel data. The information has been compiled by members of the Ames 1- by 3-foot ...

    • NASA NPD 2090.6 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This NASA Policy Directive (NPD) is applicable to NASA Headquarters and NASA Centers, including Component Facilities and Technical and Service Support Centers. This language applies to ...

    • NACA-TM-X-2317 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Tests were conducted in the Langley high-speed 7- by 10-food tunnel on a rectangular aspect-ratio-6 wing which had a slotted supercritical airfoil section. The wing was fitted with several high-lift flap systems: plain ...
      Subject(s) : AERODYNAMIC , AIRFOILS , ASPECT , CHARACTERISTICS , DEVICES , ENGINEERING , FLAPS , LIFT , LOW , RATIO , SPEED , SUPERCRITICAL , SYSTEMS , TUNNELS , WIND , WING , WINGS ,

    • NACA-RM-A51L03 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1952
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A study of the low-speed characteristics of an airplane configuration with an aspect ratio 2 triangular wing and an all-movable horizontal tail has been undertaken in the Ames 40- by 80-foot wind tunnel. ...

    • NASA-LLIS-0170 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Failure of one or more of these component switches 1S8, 2S8, 3S8, or 4S8 in the closed position would cause a short circuit of relay K11, thus not allowing any of the 16 ...
      Subject(s) : Hardware ,

    • NACA-TM-1095 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1946
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: By the method of images the horizontal steady motion of a wing at small heights above the ground was investigated in the wind tunnel, A rectangular wing with Clark Y-H profile was tested with and without flaps. The distance ...
      Subject(s) : AERODYNAMIC , ANGLE , ATTACK , BOUNDARY , CHARACTERISTICS , COEFFICIENTS , DISTRIBUTIONS , DRAG , FLAPPING , LAYER , SEPARATION , STATISTICAL , TESTS , TUNNEL , TUNNELS , WIND , WINGS ,

    • NASA-LLIS-5205 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Full-scale mock-ups are valuable tools in the early development of vehicle design and processing. Mock-up work done on the Constellation Program identified components or interfaces in vehicle and ground operations designs ...

    • NASA-LLIS-1193 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A number of process improvement observations/recommendations were made following the Geostationary Operational Environmental Satellite (GOES) Advance Baseline Imager (ABI) ...
      Subject(s) : Spacecraft ,

    • NASA-LLIS-0813 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Test power system components for corona to ensure that their insulation system will meet the design requirements imposed on the equipment and to verify that the gas discharges are not ...

    • NACA-TN-1344 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A theoretical solution is given for the critical stress of thin-walled cylinders loaded in torsion. The results are presented in terms of a few simple formulas and curves which are applicable to a wide range of cylinder ...
      Subject(s) : CYLINDERS , CYLINDERS - STRESSES , LOADS - CYLINDERS , STRESSED SKIN - CYLINDERS , THEORIES - TORSION & BENDING - DONNELL , THIN - BUCKLING , THIN - TORSION ,