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

Now showing items 521-540 of 3613

    • NASA-LLIS-2297 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Lack of engineering input during the formulation period in which agreements are being made among the various partners regarding interface locations can result in increased risk to mission success and strained working ...
      Subject(s) : Additional Categories.Payloads , Additional Categories.Program and Project Management , Additional Categories.Risk Management/Assessment , and management , development , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Integration and Testing , Manufacturing and Assembly , Missions and Systems Requirements Definition.Configuration control and data management , Missions and Systems Requirements Definition.Level 0/1 Requirements , Missions and Systems Requirements Definition.Mission concepts and life-cycle planning , Missions and Systems Requirements Definition.Requirements critical to costing and cost credibility , Program Management.Acquisition / procurement strategy and planning , Program Management.Communications between different offices and contractor personnel , Program Management.Configuration and data management , Program Management.Contractor relationships , Program Management.Cross Agency coordination , Program Management.International partner coordination , Program Management.Organizational Planning , Program Management.Program planning , Program Management.Risk management , 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 , Systems Engineering and Analysis.Engineering design and project processes and standards , Systems Engineering and Analysis.Level II/III requirements definition , Systems Engineering and Analysis.Mission and systems trade studies , Systems Engineering and Analysis.Mission definition and planning , Systems Engineering and Analysis.Planning of requirements verification processes ,

    • NASA-LLIS-1574 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A number of times, the AATT Project was directed to add, delete, and/or change the project focus of research, not only on existing agreed-to ATM products (tools and concepts), but in some ...
      Subject(s) : Aircraft , Air-Traffic Management , Risk Management/Assessment , Safety & Mission Assurance ,

    • NASA-LLIS-1474 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Accident Investigation Board received valuable submissions from the public--both average citizens and experts--through its public website and 800 number and should be considered for all ...
      Subject(s) : Accident Investigation , Administration/Organization , Information Technology/Systems , NASA Standards , Policy & Planning , Safety & Mission Assurance , Security ,

    • NACA-RM-A57E02 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1957
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      It has been previously demonstrated that a thin highly swept wing is capable of large lift-drag ratios at speeds well into the supersonic regime. Reference 1 reports lift-drag ratios of 9 at a Mach number ...

    • NASA-LLIS-3637 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Boeing Specification ML0303-0073 was developed to account for and document necessary changes in installation of temporary payload integration hardware during ground processing of the Space ...
      Subject(s) : Engineering design and project processes and standards , Ground processing and manifesting ,

    • NASA-LLIS-0593 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Mars Pathfinder (MPF) avionics and flight software development effort focused on producing a software architecture that would contribute to lower operations cost and minimize the overall ...
      Subject(s) : Administration/Organization , Computers , Concurrent Engineering , Life Cycle Cost , Risk Management/Assessment , Software , Software Life Cycle ,

    • NASA-LLIS-0423 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Immediately after the launch of Viking I, large and unexpected non-gravitational accelerations were detected and attributed to outgassing from porous materials (e.g., parachute, blankets, ...
      Subject(s) : Flight Equipment , Parts Materials & Processes , Spacecraft ,

    • NASA-LLIS-0221 

      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 total elapsed repair turnaround time still can be excessive with a resulting major impact on inventory management. There are several contributing causes for this that ...
      Subject(s) : Logistics ,

    • NACA-TN-1080 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1946
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Dynamic-stability calculations for an airplane require knowledge of values of the damping-in pitch derivative cmq (the pitching-moment coefficient due to pitching velocity) and the damping-in-yaw ...

    • NASA-TN-D-6896 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1972
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Wind tunnel tests of a full-scale model of a light twin engine aircraft were conducted. The angle of attack was varied from minus 4 degrees to plus 20 degrees. The sideslip range was plus or minus 8 degrees. Thrust ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , ANGLE , ATTACK , CHARACTERISTICS , COEFFICIENTS , CONFIGURATIONS , LIGHT , PERFORMANCE , STABILITY , TESTS , TUNNEL , WIND ,

    • NASA/SP-2011-3421 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose and Scope of This Procedures Guide
      During the past several decades, much has been written on PRA methods and applications. Several university and practitioner textbooks and sourcebooks currently ...

    • NACA-RM-L50K14 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      An investigation has been conducted in the Langley 4- by h-foot supersonic tunnel to determine the aerodynamic characteristics of a relatively large size model of a swept-wing supersonic aircraft configuration. ...

    • NASA-TN-D-6202 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Directional control capability of 18 x 5.5, type 7 aircraft tires on wet surfaces.
      Subject(s) : AIRCRAFT TIRES , CORNERS , DIRECTIONAL CONTROL , EXPERIMENT DESIGN , HIGH SPEED , MOISTURE CONTENT , RUNWAYS , YAW ,

    • NASA-LLIS-0084 

      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 OPF environmental control system (ECS) supplies conditioned air through ducts to the orbiter to purge and pressurize the forward/aft compartments and the payload bay. ...
      Subject(s) : Flight Equipment , Flight Operations , Launch Process , Launch Vehicle , Pressure Vessels ,

    • NASA-STD-7001 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The term "vibroacoustics" is defined as an environment induced by high-intensity acoustic noise associated with various segments of the flight profile. Vibroacoustics manifests itself throughout the payload in the form of ...
      Subject(s) : Acceptance test , Acoustic , Qualification test , Random vibration , Vibration , Vibroacoustic ,

    • NASA-LLIS-1019 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Lack of Requirement for Wireless Communication Capability for Expedition Crews.
      Subject(s) : Aerospace Safety Advisory Panel , Communication Systems , Flight Operations , Human Factors , Spacecraft ,

    • NASA-LLIS-0643 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      At the onset of the design process, identify the operating conditions that will be encountered during the life of the equipment.

    • NASA-LLIS-1408 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The termination phase of a Project's life cycle whether it is implemented early or as scheduled, requires appropriate planning to ensure the Agency's investments (intellectual and real ...
      Subject(s) : Administration/Organization , Human Resources & Education , Policy & Planning , Program and Project Management ,

    • NASA-LLIS-1436 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Reorganization of an independent investigation board or supporting NASA investigation structure in mid-stream as was required in the case of the Columbia accident is destabilizing and should ...
      Subject(s) : Accident Investigation , Administration/Organization , NASA Standards , Policy & Planning , Safety & Mission Assurance ,

    • NACA-RM-A56B17 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The fundamental results of an investigation of the effects of a wing-contour modification designed to improve the low-speed characteristics of a thin swept wing have been reported and ...