Now showing items 3301-3320 of 3613

    • NASA-LLIS-0902 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A hydrazine cylinder containing 11 liters of Hydrazine was shipped to the Kennedy Space Center (KSC). The shipping paperwork indicated the cylinder contained 1 liter of ...
      Subject(s) : Aircraft , Flight Equipment , Flight Operation , Hazardous/Toxic Waste/Materials , Packaging Handling Storage , Transportation ,
    • NASA-LLIS-0285 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Although an alert had been issued on a thermal wire stripper, its use during the WF/PC II CCD assembly process resulted in damage to the engineering model camera head.
      The alert process ...
      Subject(s) : Electrostatic Discharge , Energy , Parts Materials & Processes , Safety & Mission Assurance ,
    • NACA-TN-3629 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation of the effects of ground proximity and propeller position on the effectiveness of a wing equipped with large-chord slotted flaps in redirecting the slipstreams from large-diameter propellers downward for ...
    • NASA-STD-8739.9 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2013
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      The purpose of this Standard is to define the requirements for a software inspection process aimed at detecting and eliminating defects as early as possible in the software life cycle. This ...
    • NASA-SP-7012 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1973
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Data, covering the physical constants, conversion factors, names, symbols, and definitions in the International System of Units are presented.
      Subject(s) : CONSTANTS , CONVERSION TABLES , INTERNATIONAL SYSTEM OF UNITS , PHYSICAL FACTORS , STANDARDIZATION , UNITS OF MEASUREMENT ,
    • NASA-TN-D-4076 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1967
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Horizontal-tail height, wing height, and dihedral effects on longitudinal and lateral stability characteristics of 76 deg swept arrow wing aircraft model
      Subject(s) : AIRCRAFT , ANGLE , ARROW , ATTACK , DIHEDRAL , EFFECT , HORIZONTAL , LATERAL , LONGITUDINAL , MACH , MODEL , MODELS , NONLINEARITY , NUMBER , SIDESLIP , STABILITY , STATIC , SURFACES , SWEPT , TAIL , WING , WINGS ,
    • NASA-LLIS-6076 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Several of the Space Shuttle Integrated Disciplines have Databooks that were used as the official locations for analysis (Natural Environments, Loads, Debris, etc). The Main Propulsion System (MPS) used the Shuttle Performance ...
    • NASA-LLIS-0580 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A small plastic vial stored in liquid nitrogen burst while laboratory workers were inventorying and transferring vials from one dewar to another. During the transfer a ...
      Subject(s) : Cryogenic Systems , Industrial Operations , Occupational Health , Personal Protective Equipment ,
    • NASA-LLIS-1351 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      In early February 2003, JPL and NASDA reported gaps in Level 0 data products received from the Wallops and Alaska ADEOS-II Data Processing Systems. Gaps in the SeaWinds ...
      Subject(s) : Ground Equipment , Ground Operations , Test & Verification ,
    • NACA-TN-2913 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Wake development behind circular cylinders at Reynolds numbers from 40 to 10,000 was investigated in a low-speed wind tunnel. Standard hot-wire techniques were used to study the velocity fluctuations.
      The Reynolds ...
    • NASA-CR-2443 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1974
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A two-dimensional wind-tunnel evaluation of two Fowler flap configurations on the new GA(W)-1 airfoil was conducted. One configuration used a computer-designed 29-percent chord Fowler flap. The second configuration was ...
      Subject(s) : AERODYNAMIC , AIDED , AIRCRAFT , AIRFOIL , AVIATION , COEFFICIENTS , COMPUTER , DESIGN , DISTRIBUTION , EDGE , FLAPS , FLOW , GAW , GENERAL , PRESSURE , SPEED , SUBSONIC , TESTS , TRAILING , TUNNEL , VISUALIZATION , WIND ,
    • NASA-LLIS-3338 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Constraints, or the identification of a precedence order for work procedures, are crucial to flight hardware processing. A constraints system has been in place for many years in the Shuttle ...
      Subject(s) : Ground processing and manifesting , Ground support systems , Launch support systems , Logistics and maintenance ,
    • NASA-LLIS-0118 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During air-arcing operations under mobile launch platform-1 (MLP), a welder smelled smoke through the hole he was working on and found a fire in the floor insulation of ...
      Subject(s) : Facilities , Ground Operations ,
    • NASA-LLIS-1115 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Limited Funding for Advanced Research and Technology (R&T) for Extravehicular Activity (EVA)
      Subject(s) : Aerospace Safety Advisory Panel , Extra-Vehicular Activity , Flight Equipment , Research & Development , Risk Management/Assessment ,
    • NACA-TN-1341 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The equation for the equilibrium of cylindrical shells introduced by Donnell in NACA Technical Report no. 479 to find the critical stresses of cylinders in torsion is applied to find critical stresses for cylinders with ...
      Subject(s) : ANALYSIS , AXIAL , BOUNDARY , BUCKLING , COMPRESSION , CRITICAL , CYLINDRICAL , DISPLACEMENT , DONNELL , EDGES , EQUATIONS , EQUILIBRIUM , HYDROSTATIC , INDEPENDENT , LOADING , LOADS , MATHEMATICS , MEMBER , PRESSURE , PROBLEMS , SHEAR , SHELLS , SKIN , STRESS , STRUCTURAL , SUPPORTS , THIN , TORSION , VALUE , VARIABLES , WALLED ,
    • NASA-LLIS-1317 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A number of incidents, some of them documented in other lessons learned, are listed to support the thesis that ESD remains an insidious threat to the integrity of flight hardware despite ...
      Subject(s) : Energy , ESD , ESD Control Plan , ESD requirements , ESD sensitive devices , Facilities , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Industrial Operations , Launch Process , Occupational Health , Packaging Handling Storage , Parts Materials & Processes , Payloads , Personal Protective Equipment , personnel safety , Safety & Mission Assurance , sensitivity , Spacecraft , system safety , Test Facility ,
    • NASA-LLIS-0750 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Understanding and addressing the design environment, component interactions, and potential failure modes are the keys to high reliability in high performance liquid hydrogen turbopumps for ...
    • NACA-TR-627 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1938
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The experimental and calculated aerodynamic characteristics of 22 tapered wings are compared, using tests made in the variable-density wind tunnel. The wings had aspect ratios from 6 to 12 and taper ratios from 1:6:1 and ...
      Subject(s) : AERODYNAMIC , BALANCE , CHARACTERISTICS , CHORDS , COEFFICIENTS , COMPARISON , COMPUTATIONAL , DRAG , DYNAMICS , EFFECT , FLUID , GEOMETRY , LIFT , MOMENTS , PITCHING , PROFILES , RATIO , SCALE , SWEPT , TESTS , TUNNEL , WIND , WING , WINGS ,
    • NASA-LLIS-1843 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Given their minimal ability to mitigate DSN resource limitations, flight projects must consider mission design and mission operations improvements that may help to achieve Level 1 requirements, ...
      Subject(s) : Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Software Engineering , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Mission Operations and Ground Support Systems.Logistics and maintenance , Mission Operations and Ground Support Systems.Mission control Planning , Mission Operations and Ground Support Systems.Mission operations systems , Missions and Systems Requirements Definition. , 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 , Program Management.Configuration and data management , Program Management.Cross Agency coordination , Program Management.Program planning , development , and management , Program Management.Risk management , Program Management.Science integration , Safety and Mission Assurance. , Safety and Mission Assurance.Early requirements and standards definition , Safety and Mission Assurance.Maintenance , Systems Engineering and Analysis.Long term sustainability and maintenance planning , Systems Engineering and Analysis.Mission and systems trade studies , Systems Engineering and Analysis.Mission definition and planning ,
    • NACA-CB-5B05 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1945
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A study of data from various wind-tunnel tests of horizontal tail surfaces was made to determine the accuracy with which section data can be used to estimate the hinge-moment characteristics of control surfaces of finite ...