Now showing items 781-800 of 3613

    • NASA-LLIS-0278 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Planning for the two-spacecraft Voyager mission did not consider the extra time needed to arrange for the allocation of Deep Space Network (DSN) coverage for the operation of both spacecraft. ...
      Subject(s) : Administration/Organization , Flight Operations , Ground Operations , Policy & Planning ,
    • NASA-TP-1592 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1979
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Low-speed, static wind-tunnel tests were conducted to explore the effects of fighter fuselage forebody geometry on lateral-directional characteristics at high angles of attack and to provide data for general design procedures. ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , ANGLE , ATTACK , CHARACTERISTICS , DESIGN , DIRECTIONAL , FIGHTER , FINENESS , FOREBODIES , LOW , RATIO , SPEED , STABILITY , SURFACES , TAIL , TESTS , TUNNEL , TUNNELS , WIND ,
    • NASA-LLIS-1309 

      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 following occurred at a non-NASA facility and is provided as a courtesy because what happened here can happen anywhere.
      A pedestrian was walking within a marked ...
      Subject(s) : Facilities , Ground Equipment , Ground Operations , Human Factors , Industrial Operations , Lifting Devices , Safety & Mission Assurance , Test Facility ,
    • NACA-RM-L55L14 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The advent of high-speed airplanes of high relative density has focused attention on certain problems associated with the dynamic stability of aircraft which, because of previous unimportance, have here-to fore been ...
    • NACA-RM-A50L12 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An experimental investigation of pyramidal, wedge-like bodies devices for delaying separation of a turbulent boundary layer was undertaken. Tests of individual wedges on a large flat plate showed that, within certain limits, ...
    • NASA-LLIS-2156 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Missions that have a high data rate and/or high daily volume should consider the use of the RENS to transfer data from the control center to remote sites.
      Subject(s) : Additional Categories. , Additional Categories.Communication Systems , Additional Categories.Ground Equipment , Additional Categories.Ground Operations , Mission Operations and Ground Support Systems. , Mission Operations and Ground Support Systems.Ground processing and manifesting , Missions and Systems Requirements Definition. , Missions and Systems Requirements Definition.Requirements critical to costing and cost credibility , Program Management. , Program Management.Configuration and data management ,
    • NASA-STD-8719.12 W/ CHG 2 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose.
      This document prescribes the National Aeronautics and Space Administration (NASA) safety standards/procedures for operations involving explosives handling and processing. These operations are an integral part ...
    • NASA-TN-D-2595 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1965
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Heat transfer and friction coefficients for hydrogen and helium flow through heated tungsten tube.
      Subject(s) : COEFFICIENT OF FRICTION , FRICTION , GAS FLOW , HEAT TRANSFER , HEAT TRANSFER COEFFICIENTS , HEAT-TRANSFER COEFFICIENT , HELIUM , HYDROGEN , SURFACE TEMPERATURE , TUBE , TUBES , TUNGSTEN ,
    • NASA-LLIS-0370 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A power supply failure in the Drop Dynamics Module may not have occurred if the payload had been designed to JPL D-1489, "Payload Classification Product Assurance Provisions." Design and test ...
      Subject(s) : Parts Materials & Processes , Payloads , Reliability , Safety & Mission Assurance , Test & Verification ,
    • NASA-LLIS-2040 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      This mishap involved three office workers in a high-rise office building who lost time from work between January 26 and March 27, 2007. The subsequent investigation identified causes including ...
      Subject(s) : Engineering Design (Phase C/D). , Safety and Mission Assurance. ,
    • NASA-LLIS-1077 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Flight Support Motor (FSM) Test Intervals
      Subject(s) : Aerospace Safety Advisory Panel , Environment , Parts Materials & Processes , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance , Test & Verification , Test Article ,
    • NASA NPR 7120.9 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      a. This NASA Procedural Requirements (NPR) directive describes the responsibilities and requirements for space flight programs and projects to effectively manage authoritative data that defines, ...
    • NASA-LLIS-0719 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
    • NACA-RM-A8J21 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A systematic investigation of the control-surface characteristics, particularly the hinge-moment parameters, of horizontal-tail surfaces has been undertaken by the NACA to provide experimental results for ...
    • NASA-TP-1786 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1980
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Wind tunnel tests were conducted to determine the low speed two dimensional aerodynamic characteristics of a 17 percent thick medium speed airfoil (MS(1)-0317) designed for general aviation applications. The results were ...
      Subject(s) : AERODYNAMIC , AIRCRAFT , AIRFOIL , AIRFOILS , ANGLE , ATTACK , AVIATION , CHARACTERISTICS , COEFFICIENTS , GENERAL , LOW , MACH , MOMENTS , NUMBER , PITCHING , PROFILES , RATIO , SPEED , TESTS , THICKNESS , TUNNEL , WIND ,
    • NASA-LLIS-1765 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2006
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The difference between the predicted versus achieved data volume returned by the Mars Exploration Rover relay link impacted the daily planning of rover driving and science data collection. ...
      Subject(s) : Additional Categories. , Additional Categories.Communication Systems , Additional Categories.Flight Equipment , Additional Categories.Flight Operations , Additional Categories.Ground Equipment , Additional Categories.Ground Operations , Additional Categories.Hardware , Additional Categories.Payloads , Additional Categories.Risk Management/Assessment , Additional Categories.Spacecraft , Additional Categories.Standard , antenna field of view , antenna field-of-view , antenna FOV , antenna performance , antenna pointing angle , data rates , downlink , Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , error correction , error detection , link margin , link performance , mission operations , Mission Operations and Ground Support Systems. , Mission Operations and Ground Support Systems.Ground support systems , Mission Operations and Ground Support Systems.Mission control Planning , Mission Operations and Ground Support Systems.Mission operations systems , Mission Operations and Ground Support Systems.Planetary Operations , Missions and Systems Requirements Definition. , Missions and Systems Requirements Definition.Vehicle concepts , occlusion , operations design , operations phase , Program Management. , Program Management.Science integration , relay link planning , relay passes , Safety and Mission Assurance. , Safety and Mission Assurance.Early requirements and standards definition , Systems Engineering and Analysis. , Systems Engineering and Analysis.Engineering design and project processes and standards , Systems Engineering and Analysis.Human factors planning , 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 , Systems Engineering and Analysis.Systems analysis - cost analysis , telecommunications accuracy , telecommunications performance , telemetry rates , UHF data return , UHF data volumes , UHF design ,
    • NASA-LLIS-1493 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      In November of 2003, the NASA Engineering and Safety Center (NESC) performed an Independent Technical Assessment of the Code Y CALIPSO satellite Proteus propulsion bus (ref. NESC Final Report ...
      Subject(s) : Flight Equipment , Ground Operations , NASA Standards , Program and Project Management , Range Operations , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft ,
    • NASA-LLIS-0479 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The XTE Instrument Development Team experienced monumental problems with the development of the three small proportional counter detectors used in the All Sky Monitor ...
      Subject(s) : Hardware , Logistics , Policy & Planning , Risk Management/Assessment ,
    • NASA-LLIS-0251 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Prior to running a test in a facility using liquid oxygen, a check was made on the sequence timer which controls the valving of the system. When the console selector switch ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Hazardous/Toxic Waste/Materials ,
    • NASA-LLIS-1272 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On 20 February, a latch locating tool (approximate weight = 500 lbs.) and its handling fixture (dolly) were loaded on a stake bed truck, strapped down, and transported to ...
      Subject(s) : Administration/Organization , Configuration Management , Flight Operations , Ground Operations , Industrial Operations , Logistics , Packaging Handling Storage , Parts Materials & Processes , Policy & Planning , Range Operations , Risk Management/Assessment , Safety & Mission Assurance , Transportation ,