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

Now showing items 2861-2880 of 3613

    • NASA-TN-D-4792 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1968
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Hypersonic heat transfer and pressure distribution on spherically blunted cone
      Subject(s) : BODIES , CHARTS , CONICAL , DISTRIBUTION , FLOW , GRAPHS , HEAT , HYPERSONIC , PHOTOGRAPHY , PRESSURE , SCHLIEREN , TRANSFER ,

    • NASA-LLIS-0200 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Ice debris created by the STS 51-L launch was greater than predicted by pre-launch analysis. The trajectories of wind-driven ice falling from the Fixed Service Structure/Rotating ...
      Subject(s) : Environment ,

    • NASA-LLIS-1322 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During the performance of a task analysis on the MicroGravity Science Glovebox (MSG) at KSC, there were communication breakdowns with people, policies, as well as processes ...
      Subject(s) : Human Factors , Policy & Planning ,

    • NACA-RM-L8G19 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      When an airplane rotates about a lateral axis, as when entering climbing or diving flight, there are, in addition to the initial static forces and moments acting on the airplane, forces and moments resulting ...

    • NACA-RM-L52L01 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was conducted in a duct system having fully developed pipe flow to determine the effects of vortex generators on the performance of a diffuser having a whirling inlet flow. The annular diffuser had a ...

    • NACA-RM-L56K22 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1957
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      At transonic and supersonic speeds a significant part of the total drag of aircraft or missiles is associated with reduced pressures along the afterbody of the fuselage or nacelles. The problem of designing ...

    • NASA-LLIS-0345 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      From the analyses performed after the Mars Observer mission failure, it became apparent that the MO fault protection suffered from a lack of top-down system engineering design approach. Most ...
      Subject(s) : Safety & Mission Assurance , Software Testing , Spacecraft , Test & Verification ,

    • NASA-LLIS-2056 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      On March 17, 2006, a construction worker fell from the roof of Supply Warehouse #1 (Building M6-794) at the Kennedy Space Center. Rescue personnel arrived at the mishap scene minutes later, ...
      Subject(s) : Facilities , Personal Protective Equipment , Safety and Mission Assurance. , Safety and Mission Assurance.Maintenance ,

    • NASA-LLIS-1089 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Support equipment was damaged during a lift because the fixture assembly used for lifting the spacecraft into the thermal vacuum chamber was unstable in the TOPEX/POSEIDON configuration. ...
      Subject(s) : Administration/Organization , Environment , Facilities , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Hazardous/Toxic Waste/Materials , Industrial Operations , Lifting Devices , Logistics , Mishap Reporting , Packaging Handling Storage , Payloads , Policy & Planning , Spacecraft ,

    • NASA-LLIS-1173 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Lack of Education and Training in the Use and Processes of Independent Verification & Validation (IV&V) for Software Within NASA.
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Computers , Configuration Management , Human Resources & Education , Independent Verification and Validation , Information Technology/Systems , Policy & Planning , Risk Management/Assessment , Software , Test & Verification ,

    • NACA-RM-A50J09 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1950
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      At the present time there are only limited data available on the dynamic behavior of swept-wing aircraft, especially at transonic speeds. The flight-test program being conducted by the NACA on a 35° ...

    • NASA-LLIS-0714 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      When selecting batteries for space flight applications, the following requirements should be considered: ampere-hour capacity, rechargeability, depth of discharge (DOD), lifetime, temperature ...

    • NASA-TP-3032 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1990
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An experimental investigation was conducted to determine the effectiveness of a passive-venting system to modify the flow field characteristics of a rectangular-box cavity at supersonic speeds. The passive-venting system ...
      Subject(s) : CAVITIES , CAVITY , DATA , DISTRIBUTION , DRAG , FLAT , FLOORS , FLOW , INSERTS , MACH , MODELS , NUMBER , PLATES , POROSITY , SPEED , SUPERSONIC , TABLES , TUNNEL , VENTS , WIND ,

    • NASA-LLIS-1879 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Numerous NASA projects have suffered severe cost and schedule impacts due to problems with hybrid DC-DC converter application, quality, and reliability. Although there have been a few inflight ...
      Subject(s) : Additional Categories. , Additional Categories.Flight Equipment , Additional Categories.Hardware , Additional Categories.Industrial Operations , Additional Categories.Payloads , Additional Categories.Risk Management/Assessment , Additional Categories.Spacecraft , Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Power , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Integration and Testing , Manufacturing and Assembly , Missions and Systems Requirements Definition. , Missions and Systems Requirements Definition.Review boards , Program Management. , Program Management.Acquisition / procurement strategy and planning , Safety and Mission Assurance. , Safety and Mission Assurance.Early requirements and standards definition , Safety and Mission Assurance.Product Assurance , Safety and Mission Assurance.Quality , Safety and Mission Assurance.Reliability , Safety and Mission Assurance.Review systems and boards , Systems Engineering and Analysis. , Systems Engineering and Analysis.Engineering design and project processes and standards , Systems Engineering and Analysis.Long term sustainability and maintenance planning , Systems Engineering and Analysis.Mission and systems trade studies ,

    • NASA-LLIS-1506 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Orbital Space Plane (OSP) Program technical content and review standards were diluted as the program accelerated and budgets adjusted. Development of a minimum set of NASA-preferred design ...
      Subject(s) : Administration/Organization , Communication Systems , NASA Standards ,

    • NASA-TN-D-71 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1959
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The effects of profile curvature on the flow over blunt plates was investigated. A method of calculating surface pressures was developed which utilized a combination of viscous andinviscid hypersonic parameters. The method ...

    • NASA NPD 3310.1 REV B 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2007
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Applicability
      This NPD applies to NASA Headquarters and NASA Centers, including Component Facilities, with the exception of the Office of the Inspector General.

    • NASA-CR-2289 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1973
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Three time histories of wind profiles in thunderstorm gust fronts at Cape Kennedy and three at Oklahoma City are analyzed. Wind profiles at maximum wind strength below 100 m follow logarithmic laws, so that winds above the ...
      Subject(s) : GROUND WIND , METEOROLOGICAL PARAMETERS , PREDICTION ANALYSIS TECHNIQUES , THUNDERSTORMS , VERTICAL DISTRIBUTION , WIND (METEOROLOGY) , WIND PROFILES , WIND SHEAR , WIND VARIATIONS , WIND VELOCITY ,

    • NASA-LLIS-0491 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Support contractor personnel contacted high voltage with a paint scraping knife while preparing a cable tray for painting in a facility / building transformer enclosure, ...
      Subject(s) : Energy , Occupational Health , Personal Protective Equipment , Safety & Mission Assurance ,

    • NASA-LLIS-0263 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During a fire in a precious metal workshop (where hazardous materials were used), fire fighting efforts were delayed while information to determine the compatibility of ...
      Subject(s) : Emergency Preparedness , Energetic Materials - Explosive/Propellant/Pyrotechnic , Fire Protection , Hazardous/Toxic Waste/Materials ,