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

Now showing items 3021-3040 of 3613

    • NASA-LLIS-1830 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Twice a year, the Human Resources Development & Recognition Office at NASA-KSC holds centerwide award ceremonies at the Visitors Complex. Typically, over 150 employees are presented with ...

    • NACA-TR-1218 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1955
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Report presents the results of an investigation of the effects of ground interference on the aerodynamic characteristics of a 42 degree sweptback wing at distances 0.68 and 0.92 of the mean aerodynamic chord from the ...
      Subject(s) : AERODYNAMIC , AERODYNAMICS , BACKWASH , CHARACTERISTICS , CHORDS , COMPUTATIONAL , DOWNWASH , DYNAMIC , DYNAMICS , EFFECT , FLUID , GEOMETRY , GROUND , INTERFERENCE , PRESSURE , RATIO , STALLING , SWEPTBACK , WINGS ,

    • NASA-TN-D-1510 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1962
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Shell structure instability - symposium, 1962
      Subject(s) : AIRCRAFT , CONFERENCES , CONICAL , CYLINDRICAL , MISSILE , MISSILES , PAPERS , SHELL , SHELLS , SPACECRAFT , SPHERICAL , STABILITY ,

    • NACA-TN-3030 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A method for computing the steady-state span load distribution on an elastic airplane wing for specified airplane weights and load factors is given. The method is based on a modification of the Weissinger L-method and ...

    • NASA NPR 9700.1 W/CHG 3 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)

    • NASA-CR-114761 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1973
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A test program was conducted to isolate and evaluate the individual noise sources of a light helicopter. To accomplish this, the helicopter was mounted on a special test rig, at a 6-foot skid height, in a simulated hover. ...
      Subject(s) : ACOUSTIC MEASUREMENT , ACOUSTIC PROPERTIES , AIRCRAFT NOISE , NOISE PROPAGATION , OH-6 HELICOPTER , TEST FACILITIES ,

    • NASA-LLIS-0472 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Recessed electrical contacts in connectors, with replaceable pins or sockets, were observed as a result of a functional failure or during visual examination. The contacts ...
      Subject(s) : Hardware , Parts Materials & Processes , Test & Verification ,

    • NASA-LLIS-0281 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A potentially catastrophic Power On Reset (POR) was discovered during testing of the Galileo orbiter. The problem was traced to noise from a capacitive coupling path between flight subsystem ...
      Subject(s) : Energy , Flight Equipment , Ground Equipment , Grounding ,

    • NASA-TN-D-3767 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1966
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Vortex lift calculation for sharp-edge delta wings based on leading edge suction analogy
      Subject(s) : ANALOGIES , DELTA , EDGE , EDGES , FLOW , LEADING , LIFT , SHARP , SUCTION , VORTEX , VORTICES , WING , WINGS ,

    • NASA-LLIS-1312 

      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 was responsible for developing and operating a flight vehicle that would demonstrate several new technologies and capabilities. While the new technologies and ...
      Subject(s) : Administration/Organization , Human Resources & Education , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,

    • NASA NACA-RM-L56A10 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      An investigation is being made by the National Advisory Committee for Aeronautics to study the characteristics of various high-lift devices on a full-scale 45O sweptback wing. One-fifth scale tests of the ...

    • NACA-RM-E52L09 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The forced-convection heat-transfer characteristics of sodium hydroxide were experimentally investigated. The heat-transfer data for heating fall slightly above the McAdams correlation line, and the heat-transfer data for ...
      Subject(s) : HEAT TRANSFER , NUCLEAR-ENERGY SYSTEMS , THEORY AND EXPERIMENT ,

    • NASA-LLIS-2218 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The engineering of flight software is a major consideration in establishing JPL project total cost and schedule because every mission requires a significant amount of new software to implement ...
      Subject(s) : Early requirements and standards definition , Engineering design and project processes and standards , Flight Equipment , Flight Operations , Hardware , Level II/III requirements definition , Mission control Planning , Payloads , Planning of requirements verification processes , Risk Management/Assessment , Software , Software Engineering , Spacecraft , Spacecraft and Spacecraft Instruments , Test & Verification , Training and simulation systems ,

    • NASA NPR 1600.4 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      a. This NASA directive establishes Agency-wide identity and credential management policy and establishes high-level implementation requirements as set forth in NASA Policy Directive (NPD) 1600.2, ...

    • NASA-TN-4109 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1958
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The low-speed (up to 4 miles per hour) yawed-rolling characteristics of two 40 x 12, 14-ply-rating, type VII aircraft tires under straight-yawed rolling were determined over a range of inflation pressures and yaw angles ...

    • NASA-LLIS-0374 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Because the MVM '73 project went to a degraded telemetry mode after failure of an onboard tape recorder, the project had to use DSN arraying schemes to provide higher mission telemetry data ...
      Subject(s) : Communication Systems , Flight Operations , Tracking Station ,

    • NASA-LLIS-2043 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Isopropyl alcohol (IPA) was used to "clean" instrument parts. Residual IPA interfered with the instrument Level 1 requirements. Subsequent helium purging did not reduce IPA concentrations to ...
      Subject(s) : Engineering design and project processes and standards , Flight Equipment , Hardware , Industrial Operations , Level II/III requirements definition , Parts , Materials , & Processes , Payloads , Product Assurance , Quality , Safety & Mission Assurance , Spacecraft ,

    • NASA-LLIS-1100 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The High Powered Amplifiers for the Early Communications Projects (ECOMM) provided by a prime contractor's supplier failed to meet performance and quality requirements ...
      Subject(s) : Configuration Management , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Independent Verification and Validation , Parts Materials & Processes , Policy & Planning , Procurement Small Business & Industrial Relations , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft , Standard ,

    • NASA-LLIS-4770 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A Common Threads Workshop was held by JPL in 1996 and 1997 as a venue for seasoned flight project managers to convey knowledge of recurring problems or situations that dominate the project ...
      Subject(s) : Additional Categories. , Additional Categories.Configuration Management , Additional Categories.Energetic Materials - Explosive/Propellant/Pyrotechnic , Additional Categories.Hardware , Additional Categories.Parts , Materials , & Processes , Additional Categories.Payloads , Additional Categories.Procurement , Additional Categories.Safety & Mission Assurance , Additional Categories.Test & Verification , Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Software Engineering , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Integration and Testing , Manufacturing and Assembly , Mission Operations and Ground Support Systems. , Mission Operations and Ground Support Systems.Launch support systems , Mission Operations and Ground Support Systems.Logistics and maintenance , Mission Operations and Ground Support Systems.Training and simulation systems , Missions and Systems Requirements Definition. , Missions and Systems Requirements Definition.Configuration control and data management , Program Management. , Program Management.Communications between different offices and contractor personnel , Program Management.Configuration and data management , Program Management.Contractor relationships , Program Management.Program planning , development , and management , Program Management.Science integration , Safety and Mission Assurance. , Safety and Mission Assurance.Configuration Change Control , Safety and Mission Assurance.Product Assurance , Safety and Mission Assurance.Review systems and boards , Small Business & Industrial Relations , Systems Engineering and Analysis. , Systems Engineering and Analysis.Engineering design and project processes and standards ,

    • NASA-CR-165768 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1981
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The speed, range, payload, and fuel efficiency of a general aviation airplane powered by one turboprop engine was determined and compared to a twin engine turboprop aircraft. An airplane configuration was developed which ...