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

Now showing items 661-680 of 3613

    • NACA-RM-A7J22 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Recently, during recovery of an airplane from a high-speed dive, an unanticipated abrupt pitch-up and a large positive acceleration were encountered. (See reference 1.) In order to determine if the tail ...

    • NASA-LLIS-0675 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Verify that a structured, multidisciplinary approach to parts selection, design evaluation, and procurement has been applied prior to committing to a final design.

    • NASA-LLIS-1718 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Loss of maintenance schedules during contract turnover led to omission of panel from inspection schedule, increasing risk.
      Subject(s) : Additional Categories. , Additional Categories.Configuration Management , Additional Categories.Energy , Additional Categories.Facilities , Additional Categories.Industrial Operations , Manufacturing and Assembly , Missions and Systems Requirements Definition. , Missions and Systems Requirements Definition.Configuration control and data management , Program Management. , Safety and Mission Assurance. , Safety and Mission Assurance.Early requirements and standards definition , Safety and Mission Assurance.Maintenance , Safety and Mission Assurance.Quality , Systems Engineering and Analysis. , Systems Engineering and Analysis.Long term sustainability and maintenance planning ,

    • NASA-LLIS-1519 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Because the Operations Storage Server was procured and installed very late in Phase D and featured unreliable, non-integrated hardware that could not reliably provide the dataflow performance ...
      Subject(s) : Computers , Data Acquisition System , Distributed Computing Environment , Facilities , Flight Operations , Ground & Mission Operations , Ground Equipment , Ground Operations , Hardware , Information Technology/Systems , Mission Data System , Multimission Data Services , Policy & Planning , Procurement Small Business & Industrial Relations , Program and Project Management , science data processing , server architecture ,

    • NASA-LLIS-0951 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Challenger (Space Shuttle Flight #51L) accident triggered a detailed review of all of the joints in the Solid Rocket Motor. Analyses showed a potential weakness and ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Launch Vehicle ,

    • NASA NPR 9310.1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      This NASA Procedural Requirements (NPR) provides the financial management requirements for External Reports – Accounting.
      APPLICABILITY
      This NPR is applicable to ...

    • NACA-RM-A51C14 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A semiempirical method, in which potential theory is arbitrarily combined with an approximate viscous theory, for calculating the aerodynamic pitching moments for bodies of revolution is presented. The method can also be ...
      Subject(s) : AERODYNAMIC , BODIES , FLOW , THEORY , VISCOUS ,

    • NASA-LLIS-0440 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Delays to the SEASAT-A project demonstrated the need to prepare and submit requests for radio frequency assignments during the conceptual stage of a project.
      Subject(s) : Administration/Organization , Communication Systems , Conceptual Planning , RF Assignments ,

    • NASA-LLIS-0240 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A cover plate bolted to the top of a high pressure helium filter was blown off and the contents of the filter (pyrex wool and silica gel) were expelled. The resulting ...
      Subject(s) : Logistics , Pressure Vessels ,

    • NASA-HDBK-6003 REV C 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This handbook provides detailed guidance for using permanent direct part marking (DPM) methods and techniques to apply Data Matrix identification symbols safely to products. This handbook addresses symbol structure only ...
      Subject(s) : Configuration management , Data matrix , Direct part marking , License tag number , Machine-readable code , Part identification , Part marking , Part tracking , Protective coating ,

    • NACA-TN-1293 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Previous investigations (references 1 and 2) have been conducted using boundary-layer control by suction on relatively thick NACA 6-series airfoil sections in an effort to bring about increases in the ...
      Subject(s) : AIRFOIL , AIRFOILS , BOUNDARY , CARRIED , CHAR , CONTROL , DEVICES , DOUBLE , DRAG , FLAPS , HIGH , LAYER , LIFT , LMAL , LOW , NACA , NUMBER , ORDINATES , REYNOLDS , ROUGHNESS , SLATS , SLOTS , SLOTTED , SUCTION , SURFACES , TESTS , TUNNEL , TURBULENCE , WIND , WING , WINGS , WORK ,

    • NASA-TN-D-7149 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1973
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A force-test investigation has been conducted in the Langley full-scale tunnel to determine the static longitudinal and lateral stability and control characteristics of a full-scale mockup of a light single-engine high-wing ...
      Subject(s) : AIRCRAFT , CONFIGURATIONS , CONTROL , FULL , LATERAL , LIGHT , LONGITUDINAL , MODELS , SCALE , STABILITY , TESTS , TUNNEL , WIND ,

    • NASA-LLIS-1257 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Failure to mandate metrics in the beginning of a new program created the inability to effectively measure performance in regards to fulfilling the program's goals. Metrics ...
      Subject(s) : Human Factors , Industrial Operations , Research & Development , Risk Management/Assessment , Safety & Mission Assurance ,

    • NACA-RM-L52E02 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1952
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      An investigation is currently being conducted by the National Advisory Committee for Aeronautics to determine the dynamic response characteristics of research airplanes through the transonic speed range. ...

    • NASA NPD 3300.3 REV E 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2013
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Applicability
      This NPD applies to NASA Headquarters and NASA Centers, including Component Facilities.

    • NASA-LLIS-5011 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Spacecraft assembly and integration operations in the Vehicle Assembly Building (VAB) may require a higher level of cleanliness (lower particle count) than the ambient air in the VAB environment. Considering spacecraft ...
      Subject(s) : Program Management. , Program Management. Communications between different offices and contractor personnel ,

    • NASA-TN-D-8244 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1976
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A previously developed fracture criterion was applied to fracture data for surface-cracked specimens subjected to remote tensile loading and for specimens with a corner crack (or cracks) emanating from a circular hole ...
      Subject(s) : ALUMINUM ALLOYS , CRACK INITIATION , STEELS , STRUCTURAL FAILURE , SURFACE CRACKS , TENSILE STRESS , TENSILE TESTS , TITANIUM ALLOYS ,

    • NASA-LLIS-0301 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A short circuit during subsystem level testing of the Magellan Command and Data Subsystem (CDS) was traced to a conductive fiber likely shed by an ESD wrist strap.
      Use non-shedding ESD ...
      Subject(s) : Energy , Hardware , Parts Materials & Processes ,

    • NASA-LLIS-1714 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A high performance jet-powered UAV crashed on landing. A subsequent investigation into the root cause(s) found that the ground support crew did not follow all of the steps in a complex checklist ...
      Subject(s) : Additional Categories. , Mission Operations and Ground Support Systems. , Missions and Systems Requirements Definition.Crew operations and support concepts , Safety and Mission Assurance. ,

    • NASA-LLIS-1032 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      DFRC B4823
      Incident Report: An iron worker, working alone, was rolling up large sheets (4'x10') of galvanized sheet metal that had been laid down on the slab in front ...
      Subject(s) : Environment , Facilities ,