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

Now showing items 2421-2440 of 3613

    • NASA-LLIS-0492 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Galileo spacecraft High Gain Antenna (HGA) was to open like an umbrella, but it never reached the fully deployed position. The failure was attributed to the design of the rib retention ...
      Subject(s) : Environment , Flight Equipment , Hardware , Parts Materials & Processes , Spacecraft ,

    • NASA-LLIS-0264 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Construction personnel were performing renovations to room 194 in building 16A at JSC. The renovation project included installing a suspended ceiling in part of the room. ...
      Subject(s) : Logistics , Policy & Planning ,

    • NASA-TP-1500 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1979
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A study has been made of the factors which place limits on the theoretical leading-edge thrust, and an empirical method for estimating attainable thrust has been developed. The method is based on the use of simple sweep ...
      Subject(s) : AERODYNAMIC , ANALYSIS , CHARACTERISTICS , COEFFICIENTS , COMPUTER , EDGES , EFFECT , ESTIMATES , LEADING , MATHEMATICAL , MODELS , PLANFORMS , PREDICTION , PROGRAMS , SPEED , SUBSONIC , SUPERSONIC , SWEEP , TECHNIQUES , THRUST , WING , WINGS ,

    • NASA-LLIS-1295 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Initial budgets for retaining key satellite and instrument personnel after launch were inadequate.
      Subject(s) : Flight Operations ,

    • NACA-TN-1423 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The stability derivatives treated herein are listed, together with the values found for then, in table I. The derivations that follow give the values with reference to the principal body axes of figure 1 with origin at the ...
      Subject(s) : AIR , AIRFOILS , ASPECT , CALCULATIONS , DELTA , DIHEDRAL , DISTRIBUTION , FLOW , FUSELAGES , HIGH , INTERFERENCE , PRESSURE , RATIO , SIDESLIPPING , SMALL , STABILITY , SUBSONIC , SUPERSONIC , THIN , VELOCITY , WINGS ,

    • NACA-RM-L54G08 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      An investigation of the aerodynamic characteristics of a 35° swept-wing airplane at subsonic, transonic, and low supersonic speeds has been undertaken by the National Advisory Committee for Aeronautics. ...

    • NACA-TR-D-1201 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: For each of two inlet-boundary-layer thicknesses, performance and boundary-layer characteristics have been determined for a 12 degree, 10-inch-inlet-diameter diffuser, a 12 degree, 21-inch-inlet-diameter diffuser, and a ...
      Subject(s) : AIR INTAKES , ANALYSIS (MATHEMATICS) , BOUNDARY LAYERS , CONICAL INLETS , DIFFUSERS , DISPLACEMENT , GROWTH , PRESSURE DISTRIBUTION , PRESSURE DROP , THICKNESS , VELOCITY DISTRIBUTION ,

    • NASA-STD-5019 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      Fracture control is implemented to reduce the risk of a catastrophic failure from a defect or damage. The intent of this standard is to provide fracture control requirements for spaceflight ...

    • NASA-TN-D-7331 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1973
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Experimental data were obtained in two wind tunnels for 13 models over a Mach number range from 0.70 to 1.02. Effects of increasing test-section blockage ratio in the transonic region near a Mach number of 1.0 included ...
      Subject(s) : AIR FLOW , BODIES OF REVOLUTION , FLOW CHARACTERISTICS , PRESSURE DISTRIBUTION , TEST FACILITIES , TRANSONIC FLOW , WALL FLOW , WIND TUNNEL APPARATUS , WIND TUNNEL MODELS , WIND TUNNELS ,

    • NASA-LLIS-0332 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Hubble Space Telescope did not perform to the requirements of the contract. A spherical aberration was attributed to the spacing between the field lens and the lower ...
      Subject(s) : Safety & Mission Assurance ,

    • NASA-LLIS-2176 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      NASA's FAST program provides selected projects with an opportunity to experience reducedgravity conditions for 20-to-30-second intervals in an aircraft flying repeated parabolic trajectories. ...
      Subject(s) : Program Management.Communications between different offices and contractor personnel ,

    • NASA-LLIS-1064 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Workforce Training Shortfalls Have the Potential to Jeopardize Safety.
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Ground Operations , Human Resources & Education , Policy & Planning , Safety & Mission Assurance ,

    • NASA NPD 2190.1 REV B 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      a. This NPD is applicable to NASA Headquarters and Centers, including Component Facilities and Technical Service Support Centers.
      b. This NPD applies to the Jet Propulsion Laboratory ...

    • NASA NPR 9290.1 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      This NASA Procedural Requirements (NPR) provides the financial management requirements for classifying funds to the appropriate Special Fund Account. The requirement is established to support ...

    • NASA-LLIS-0679 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)

    • NACA-RM-A7L02 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTODUCTION
      Considerable control-surface research has been conducted during the past decade and may attempts have been made to derive theoretical and empirical relations which will permit the aerodynamicist to predict ...

    • NASA-LLIS-1727 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2006
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A video clip lesson learned on the topic of Process Control. The Shuttle External Tank (ET) employs a diffuser to control the uniform dispersal of gases used to maintain positive pressure as ...
      Subject(s) : Additional Categories. , Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Launch Systems , Engineering Design (Phase C/D).Propulsion , Mission Operations and Ground Support Systems. , Mission Operations and Ground Support Systems.Launch support systems , Program Management. , Program Management.Acquisition / procurement strategy and planning , Program Management.Communications between different offices and contractor personnel , Safety and Mission Assurance. , Safety and Mission Assurance.Product Assurance , Safety and Mission Assurance.Quality ,

    • NASA-LLIS-1523 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The final proposal for this effort was approximately 58% higher than government estimates despite the fact that government estimates were derived from X-43A actual costs and were considered ...
      Subject(s) : Policy & Planning , Program and Project Management ,

    • NASA-HDBK-7005 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose. The purpose of this handbook is to summarize and assess the following:
      a. The dynamic environments that a spacecraft might be exposed to during its service life from the completion of its manufacture to the ...

    • NACA-RM-A51J11 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      At supersonic mach numbers, the airfoil section having minimum drag for a prescribed structural strength or stiffness may have a blunt trailing edge, as has been shown through theoretical considerations ...