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

Now showing items 181-200 of 3613

    • NACA-RM-L51K09 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1952
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was conducted to determine the effect of surface roughness on the performance of a 23º conical diffuser with a 2:1 ratio of edit to inlet area and with a constant-area tail pipe about 3½ inlet ...

    • NASA-LLIS-6350 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The attached White Paper focuses on several of the Space Shuttle Program Lessons Learned related to design environments development. In general, through a coordinated effort between engineers at the NASA and the contractor, ...
      Subject(s) : Environment , Launch Vehicle , Program and Project Management , Research & Development , Test & Verification ,

    • NASA-HDBK-6007 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2007
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      This handbook covers recommended material removal processes (i.e., machining or grinding) for advanced ceramics. It is applicable to both test specimens and components, and hereafter they will ...

    • NASA-LLIS-0343 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Following the loss of the Mars Observer spacecraft, simulations showed that a postulated propellant breach would have caused angular accelerations that could have inhibited downlink and caused ...
      Subject(s) : Attitude Control , Hardware , Safety & Mission Assurance , Sequence Interaction , Software , Spacecraft ,

    • NASA-LLIS-2050 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Flight software development problems led NASA to study the factors that have led to the accelerating growth in flight software size and complexity. The March 2009 report on the NASA Study on ...
      Subject(s) : Additional Categories.Flight Operations , Additional Categories.Payloads , Additional Categories.Risk Management/Assessment , Additional Categories.Software , Additional Categories.Test & Verification , Engineering Design (Phase C/D).Software Engineering , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Integration and Testing , Mission Operations and Ground Support Systems.Mission control Planning , Mission Operations and Ground Support Systems.Mission operations systems , Safety and Mission Assurance.Early requirements and standards definition , Safety and Mission Assurance.Review systems and boards , 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-1087 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Although the Deep Space 1 mission exceeded its overall technology demonstration objectives, certain important technologies under development never achieved flight readiness.
      Develop a ...
      Subject(s) : Autonomous Navigation , Flight Equipment , Flight Qualification , Hardware , Management and Planning , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft , Technology Plan , Technology Readiness Level , Test & Verification ,

    • NACA-RM-A50E02 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1950
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Test were conducted in the Ames 16-foot high-speed wind tunnel to continue investigation, at higher subsonic Mach numbers, of NACA submerged inlets developed in the Ames 7- by 10-foot wing tunnels as ...

    • NASA-LLIS-0711 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Control magnetic field disturbance of spacecraft systems by avoiding the use of components and subassemblies with significant magnetic dipole moments.

    • NASA-LLIS-1564 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A. Reviews: General Feedback Received From All Levels of Project Participants-
      There are too many reviews without clear definition of their purpose. As a result, reviews tended to overlap ...
      Subject(s) : Independent Verification and Validation , Policy & Planning , Program and Project Management ,

    • NASA NPD 8730.2 REV C 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      This NPD applies to NASA Headquarters, NASA Centers, including Component Facilities, NASA programs and projects, and to the JPL and other NASA contractors and grantees as delineated in ...

    • NASA-LLIS-1503 

      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) systems design activities were impacted as communications became an issue, program-to-program cultures clashed, and internal program integration encountered ...
      Subject(s) : Administration/Organization , Program and Project Management , Research & Development ,

    • NASA-TP-2772 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1987
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was conducted in the Langley 30- by 60-Foot Wind Tunnel to evaluate the performance, stability, and control characteristics of a full-scale general aviation airplane equipped with an advanced laminar flow ...

    • NASA-LLIS-1864 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Lunar Reconnaissance Orbiter required lower levels of Electromagnetic Interference (EMI) than usual to avoid causing sensitive components to malfunction. It was found necessary to use an ...
      Subject(s) : Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Integration and Testing ,

    • NASA-LLIS-1425 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The success of a project is greatly impacted by the management style of the Project Manager and the manner in which each phase of the Project's life cycle is implemented.
      Subject(s) : empowerment , management style , open communication , Program and Project Management , Project success ,

    • NASA-CR-2209 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1973
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The feasibility of designing short curved wall axially symmetrical subsonic diffusers utilizing suction through slots in the diffuser walls to prevent flow separation was investigated. A potential flow analysis was made, ...
      Subject(s) : AXISYMMETRIC FLOW , CURVATURE , DIFFUSERS , SLOTS , SUBSONIC FLOW , SUCTION ,

    • NASA-LLIS-0489 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      An employee received an electrical shock while unplugging a printer from a 6 receptacle power strip surge protector. The surge protector was located behind some furniture, ...
      Subject(s) : Energy , Facilities , Hardware ,

    • NASA-STD-3000 VOLUME I REV B 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Document Scope The overall documentation is contained in several volumes (currently four). Each document has a purpose, and each has been assembled from the data contained in Volume I. A videotape is also available as an ...

    • NASA-TP-1350 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1978
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The F-111 transonic aircraft technology (TACT) aircraft is the latest of a series of research aircraft to incorporate supercritical wing technology. Unlike previous supercritical wing designs, the TACT ...
      Subject(s) : AIRCRAFT , ANGLE , ATTACK , DERIVATIVES , DESIGN , FLIGHT , MACH , NUMBER , STABILITY , SUPERCRITICAL , SWEEP , TESTS , VARIABLE , WINGS ,

    • NASA-LLIS-0261 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Occupational Safety and Health Administration (OSHA) requirements prohibit having personnel work under suspended loads. Payload processing facilities will be implementing ...
      Subject(s) : Lifting Devices ,

    • NASA-LLIS-1245 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Subject(s) : Aerospace Safety Advisory Panel , Ground Operations , Human Resources & Education , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft ,