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

Now showing items 61-80 of 3613

    • NASA-LLIS-1042 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Implementation of the Shuttle Processing Contract (SPC).
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Communication Systems , Ground Operations , Human Resources & Education , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,

    • NASA-LLIS-0438 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Palladium is a particularly efficient catalyst for the formation of polymers. Palladium in the potentiometer wiper contacts on the Voyager Photopolarimeter Subsystem formed a frictional polymer ...
      Subject(s) : Contamination , Electrical Contacts , Hardware , Parts Materials & Processes ,

    • NACA-ARR-3H25 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1943
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The Calculation by Wieselsberger of the wing damping moment for an untwisted elliptical wing in yawing is summarized and extended in reference 1 to the case of an untwisted rectangular ...
      Subject(s) : CHARACTERISTICS , DAMPING , DEFLECTION , DISTRIBUTION , EFFECT , ELLIPTICAL , FLAPS , LIFT , MOMENTS , PARTIAL , SPAN , TAPERED , WING , WINGS , YAW , YAWING ,

    • NASA-LLIS-0611 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Careful planning for the acquisition of launch services and interface definition and control is an important success factor for cost and schedule constrained flight projects. Tailor the launch ...
      Subject(s) : Configuration Control , Configuration Management , Control Drawing , Launch Vehicle , Mechanical Interface , MICD , Procurement Small Business & Industrial Relations , Spacecraft , Spacecraft Integration ,

    • NACA-TN-1555 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Although a number of treatments of the problem of the lift on a thin flat surface in supersonic flaw have recently been published (see bibliography of reference 1, and. references 2 and 3) the lift ...

    • NASA-LLIS-1575 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Projects with numerous and widely distributed contractors must tailor its QA resources towards each contractor»s strengths and weaknesses. Since the Project»s resources are limited, ...
      Subject(s) : Program and Project Management , Risk Management/Assessment , Safety & Mission Assurance ,

    • NASA-LLIS-2158 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: When a project plans to reuse existing metrology software for a new application, a thorough independent review of the software and its new interfaces should be conducted.
      Subject(s) : Engineering Design (Phase C/D) , Engineering Design (Phase C/D).Software Engineering , Missions and Systems Requirements Definition. , Missions and Systems Requirements Definition.Configuration control and data management , Program Management. , Program Management.Configuration and data management , Systems Engineering and Analysis. , Systems Engineering and Analysis.Engineering design and project processes and standards , Systems Engineering and Analysis.Planning of requirements verification processes ,

    • NASA-LLIS-1475 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The "Investigation Organizer" management and modeling tool was the primary investigation management tool for the Columbia accident investigation; however, acceptance of the tool was not ...
      Subject(s) : Accident Investigation , Administration/Organization , Computers , Information Technology/Systems , NASA Standards , Policy & Planning , Research & Development , Safety & Mission Assurance ,

    • NACA-RM-E51A25 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Experience has shown that the performance of a turbojet combustor is dependent on flight conditions and that poor performance is generally encountered at high altitudes and at low engine ...

    • NASA-LLIS-0238 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Exhausters were running to provide simulation of altitude conditions in a combustor rig when the mishap occurred. The equipment operators were short-handed and, as a result, ...
      Subject(s) : Facilities , Industrial Operations , Pressure Vessels ,

    • NASA-LLIS-3376 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Multiple problems were uncovered with a launch display application software program. Inadequate unit and integrated software testing can result in delivering a poor quality product. It is ...
      Subject(s) : Ground processing and manifesting , Ground support systems , Launch support systems , Software Engineering , Training and simulation systems ,

    • NASA-LLIS-0424 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Shortly after the launch of Voyager, unexpected dynamic effects necessitated additional orbit determination analysis, testing, and modeling to ensure an accurate trajectory. Perform careful ...
      Subject(s) : Hardware , Spacecraft , Trajectory Accuracy ,

    • NASA-LLIS-0222 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Some of the original equipment manufacturers are not providing sufficient support for out-ofproduction parts. NASA and its contractors have evolved good systems for ...
      Subject(s) : Hardware , Launch Vehicle , Logistics ,

    • NASA-TN-D-6909 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1972
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was conducted in the Langley full-scale tunnel to determine the dynamic stability derivatives in pitch, roll, and yaw over an angle-of-attack range of -5 deg to 90 deg for a variable-sweep fighter configuration ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , CHARACTERISTICS , CONFIGURATIONS , DERIVATIVES , FIGHTER , STABILITY , SWEEP , TESTS , TUNNEL , VARIABLE , WIND , WINGS ,

    • NACA-TN-1110 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1946
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Tests were made in the Langley two-dimensional low-turbulence tunnels of an airfoil section equipped with a double slotted flap designed for application to a fighter type airplane. Preliminary design of ...

    • NACA-TN-1284 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The problem of producing airplanes capable of flight speeds equal to and greater that the speed of sound with a reasonable expenditure of power has been studied by airplane designers for some time. In order ...
      Subject(s) : AIRFOILS , ASPECT , CARRIED , CHAR , DRAG , EDGE , EXTENDED , FLAPS , LEADING , LMAL , LONGITUDINAL , LOW , MOMENTS , MPH , NACA , NAVY , RATIO , SLOTS , STABILITY , SWEPTBACK , TESTS , TIP , TIPS , TUNNEL , WIND , WING , WINGS , WORK ,

    • NASA-LLIS-1281 

      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 Project underwent several reviews throughout its lifecycle. In general, these reviews helped the Project maintain its course and manage its resources effectively and ...
      Subject(s) : Administration/Organization , Policy & Planning ,

    • NACA-RM-L50L29 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The results of investigations of the spin and recovery characteristics of numerous models tested in the Langley is-foot free-spinning tunnel and the Langley 20-foot free-spinning tunnel during the years ...

    • NACA-TN-1463 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation has been made in the Langley two-dimensional low-turbulence tunnel and the Langley two-dimensional low-turbulence pressure tunnel to determine the highest maximum lift configurations (ideal configurations) ...
      Subject(s) : AIRFOILS , CARRIED , CHAR , COEFFICIENTS , DEFLECTION , DRAG(WING , FLAPS , LIFT , LMAL , LOW , MOMENTS , NACA , NUMBER , PRESSURE , REYNOLDS , SLOTTED , TESTS , TUNNEL , TURBULENCE , WIND , WING , WORK ,

    • NASA NPD 1210.1 REV G 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY
      a. This NASA Policy Directive (NPD) is applicable to NASA Headquarters and NASA Centers, including Component Facilities. It applies to gifts or donations in the form of cash, check, or ...