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

Now showing items 961-980 of 3613

    • NASA-LLIS-0377 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A 21{}hortfall in Voyager's velocity change was suspected to be due to exhaust plume impingement. Due to the complexity of spacecraft/thruster configurations, additional care must be taken ...
      Subject(s) : Flight Equipment , Spacecraft ,

    • NASA-LLIS-0220 

      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 logistics and support program for space shuttle is continuing to develop. The problems that persist, in general, are well documented and understood. They do, however, ...
      Subject(s) : Ground Operations , Logistics ,

    • NACA-TN-1071 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1946
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A recent investigation (reference 1) was conducted on the NACA 653-018 airfoil section with boundary-layer control by suction to determine the increment in maximum lift coefficient that could ...

    • NASA-TN-D-6866 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1972
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A compilation of design considerations applicable to spin-recovery parachute systems for military airplanes has been made so that the information will be readily available to persons responsible for the design of such ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , CHUTES , CONFIGURATIONS , DEVELOPMENT , DRAG , ENGINEERING , EQUIPMENT , MILITARY , PRODUCT , SPECIFICATIONS , SYSTEMS ,

    • NASA-LLIS-1169 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Not all Aviation Safety Officers (ASOs) Report Directly to Their Center Directors.
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Aircraft , Flight Operations , Ground Operations , Policy & Planning , Safety & Mission Assurance ,

    • NACA-RM-L50K06 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Previous experimental investigations of the effects of horizontal-tail position on the low-speed static longitudinal stability characteristics of sweptback-wing models (references 1, 2, and 3) have shown ...

    • NASA-TN-D-6142 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Vortex-lattice FORTRAN program for estimating subsonic aerodynamic characteristics of complex planforms.
      Subject(s) : AERODYNAMIC CHARACTERISTICS , AERODYNAMIC COEFFICIENTS , COMPUTER PROGRAMS , DRAG , FORTRAN , LEADING EDGES , LIFT , PITCHING MOMENTS , PLANFORMS , SUBSONIC SPEED , VORTICES ,

    • NASA-LLIS-0083 

      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 portable purge unit when operating, exceeds the recommended 85 DBA. Reference is made to noise hazard survey accomplished by BOC industrial hygiene. The noise level ...
      Subject(s) : Hardware , Industrial Operations , Personal Protective Equipment ,

    • NASA-LLIS-1017 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Application of Systems Engineering Methodology to ISS Caution and Warning System.
      Subject(s) : Aerospace Safety Advisory Panel , Configuration Management , Human Factors , Risk Management/Assessment , Safety & Mission Assurance , Software , Spacecraft , Standard , Test & Verification ,

    • NACA-TN-1310 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Charts providing coefficients for the stress analysis of a reinforced circular cylinder are presented. These charts facilitate the rapid determination of the shear flows and direct stresses in the sheet of the cylinder as ...

    • NASA-LLIS-0642 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Although stainless steel material is generally assumed to be non-magnetic, it is possible for a stainless steel propellant tank to become residually magnetized, either from "working" the ...
      Subject(s) : attitude control , demagnetization , Helmholtz coil , magnetic compatibility , mission operations , Parts Materials & Processes , Spacecraft , Test & Verification ,

    • NASA-LLIS-1407 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Performance of data mining and trending analyses of recurring anomalies in NASA programs are difficult due to numerous and dissimilar Problem Reporting and Corrective Action (PRACA) Databases. ...
      Subject(s) : Policy & Planning , Program and Project Management , Risk Management/Assessment , Safety & Mission Assurance ,

    • NACA-RM-A55G19 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1955
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The total resistance of an airfoil may be considered as being composed of two separate components, the drag at zero lift and the drag associated with the production of lift. In the cruising condition the ...

    • NASA-LLIS-0396 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Shortly after transmitter turn-on, SIR-B suffered a radiated power drop. After Shuttle landing, troubleshooting discovered a sliver of metal embedded in the center conductor of the GFE antenna ...
      Subject(s) : Safety & Mission Assurance , Test & Verification ,

    • NASA-TN-D-4891 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1968
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Predicting lift and drag for slender sharp-edge Delta wings in ground proximity
      Subject(s) : AERODYNAMIC , AERODYNAMICS , ANGLE , ATTACK , COEFFICIENTS , DELTA , DRAG , EDGES , EFFECT , FLOW , GROUND , LEADING , LIFT , POTENTIAL , PREDICTIONS , SHARP , VORTICES , WINGS ,

    • NACA-TN-719 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1939
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was made in the N.A.C.A. 7- by 10-foot wind tunnel to determine the aerodynamic characteristics of tapered and rectangular wings with partial-span slotted flaps. Two N.A.C.A. 23012 airfoils equipped with ...

    • NASA-LLIS-1136 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Support for Implementation of Process Control Focus Group for Shuttle Program.
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Parts Materials & Processes , Safety & Mission Assurance ,

    • NASA-LLIS-0844 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Use color coding and identification on piping systems to identify the content and pressure of the contents.

    • NACA-TR-934 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1949
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Procedures are recommended for solving the equations of equilibrium of reinforced panels and isolated fuselage rings as represented by the external loads and the operations table established according to Southwell's method. ...
      Subject(s) : DISPLACEMENT , FUSELAGES , LOAD DISTRIBUTION (FORCES) , MATRICES (MATHEMATICS) , NUMERICAL ANALYSIS , REINFORCED PLATES , REINFORCEMENT RINGS , RELAXATION METHOD (MATHEMATICS) , STRESS ANALYSIS , STRESS CONCENTRATION , STRESSED-SKIN STRUCTURES ,

    • NASA-LLIS-0057 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During the replacement of a faulty flodyne valve, a leak occurred which resulted in a spill of approximately 20 gallons of MMH. Several minutes after the spill was reported, ...
      Subject(s) : Emergency Preparedness , Energetic Materials - Explosive/Propellant/Pyrotechnic , Fire Protection , Flight Equipment , Ground Equipment , Ground Operations , Hardware , Hazardous/Toxic Waste/Materials , Packaging Handling Storage , Personal Protective Equipment ,