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

Now showing items 1001-1020 of 3613

    • NASA-LLIS-6816 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During the Space Transportation System (STS)-133 post-drain walk-down following the November 5, 2010 scrubbed launch attempt, an anomalous thermal protection system (TPS) ...

    • NASA-LLIS-1862 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      To send images from the moon to Earth, the Lunar Reconnaissance Orbiter (LRO) uses a K-band data link that transmits at 25.65 GHz with a transmission rate of 100 Mbit/s, a significant increase ...
      Subject(s) : Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments ,

    • NASA-LLIS-0576 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      When a test fixture was commanded to rotate, the rotation machinery was actuated but the fixture failed to rotate. Visual inspection of the fixture revealed deformation ...
      Subject(s) : Hardware ,

    • NASA-LLIS-1332 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Physics of Colloids in Space (PCS) experiment was launched on ISS Flight 6A in April 2001 was activated in EXPRESS Rack 2 on May 31, 2001, and was successfully operated ...
      Subject(s) : Computers , Flight Equipment , Flight Operations , Hardware , Payloads , Safety & Mission Assurance , Software ,

    • NASA-LLIS-3516 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A lithium-ion battery undergoing characterization testing in a basement laboratory overheated, caught fire, and detonated, funneling toxic fumes into the two upper floors of the office building ...
      Subject(s) : Additional Categories.Accident Investigation , Additional Categories.Energetic Materials - Explosive/Propellant/Pyrotechnic , Additional Categories.Facilities , Additional Categories.Fire Protection , Additional Categories.Ground Equipment , Additional Categories.Hardware , Additional Categories.Hazardous/Toxic Waste/Materials , Additional Categories.Occupational Health , Additional Categories.Risk Management/Assessment , Additional Categories.Safety & Mission Assurance , Additional Categories.Test Article , Additional Categories.Test Facility , Engineering Design (Phase C/D).Environmental Control and Life Support Systems , Engineering Design (Phase C/D).Power , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Safety and Mission Assurance.Advanced planning of safety systems , Safety and Mission Assurance.Early requirements and standards definition , Safety and Mission Assurance.Product Assurance ,

    • NASA-TM-4741 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Computer programs to produce the ordinates for airfoils of any thickness, thickness distribution, or camber in the NACA airfoil series were developed in the early 1970's and are published as NASA TM X-3069 and TM X-3284. ...

    • NASA-LLIS-0151 

      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 throat plug and purge adapter assembly, located in the reaction control system (RCS) primary thruster, provides the means for sealing the RCS primary engine throat ...
      Subject(s) : Energy , Flight Equipment , Ground Equipment , Hardware ,

    • NACA-RM-L57A30 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1957
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Reference 1 has pointed necessity of including the acceleration derivatives Cn.β and CZ.β as determined from oscillation tests in calculations of dynamic lateral ...

    • NASA-LLIS-6144 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: After much investigation (and launch scrubs), a problem was isolated to the feed through connector in the bottom of a hydrogen tank. Electrical connector integrity can be significantly impacted at cryogenic temperatures.

    • NASA-LLIS-1174 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Need for Peer-Reviewed Research and Development (R&D) in Software Independent Verification and Validation (IV&V), e.g. for Neural Networks and Expert Systems.
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Computers , Configuration Management , Independent Verification and Validation , Information Technology/Systems , Policy & Planning , Risk Management/Assessment , Software , Test & Verification ,

    • NASA NPD 1371.5 REV B 

      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 Centers. This language applies to JPL, other contractors, ...

    • NASA-LLIS-0791 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Problem/failure (P/F) reports are assigned a two-factor set of ratings: a failure effect rating and a failure cause/corrective action rating. The composite rating is used to assess the ...

    • NASA-LLIS-1583 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      In order to effectively manage, information regarding cost, schedule and technical performance, must be communicated to the Project Office. Additionally, the Project Office must be kept ...
      Subject(s) : Configuration Management , Program and Project Management ,

    • NACA-TR-927 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1949
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The material given in this report summarizes some of the results of recent research that will aid the designers of an airplane in selecting or modifying a configuration to provide satisfactory stability and control ...

    • NASA-LLIS-0935 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During routine starting of the HVOF thermal spray gun, an incident occurred that resulted in the unintended mixing and ignition of liquid fuel (kerosene) and oxygen in the ...
      Subject(s) : Ground Equipment , Test & Verification , Test Facility ,

    • NACA-TN-4042 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1957
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation has been conducted horizontal-tail location and size on the to determine the effects of longitudinal aerodynamic characteristics of an airplane model having a triangular wing. The wing had an aspect ratio ...

    • NACA-CR-793 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1967
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: IBM 7094 digital program using steepest ascent technique for optimizing flight path of supersonic transport aircraft.
      Subject(s) : ASCENT , COMPUTER PROGRAMS , FLIGHT PATH , FLIGHT PATHS , IBM 7094 COMPUTER , STEEPEST ASCENT METHOD , STEEPEST DESCENT METHOD , SUPERSONIC TRANSPORT , SUPERSONIC TRANSPORTS , TRAJECTORY OPTIMIZATION , TRANSPORT AIRCRAFT ,

    • NASA-LLIS-0532 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Due to overall dwindling budgets and severe cutbacks in operational budgets, onsite space is being used whenever possible to house personnel and operations to avoid renting ...
      Subject(s) : Facilities , Occupational Health ,

    • NACA-TR-868 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A summary has been made of the available information on lateral control. A discussion is given of the criterions used in lateral-control specifications, of the factors involved in obtaining satisfactory lateral control, ...

    • NASA-LLIS-1616 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Short payload development schedules and multi-Center/multi-national partners complicate communications among mission partners and may result in significant payload information not receiving ...
      Subject(s) : Human Resources & Education , Policy & Planning , Program and Project Management , Risk Management/Assessment , Safety & Mission Assurance ,