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

Now showing items 2301-2320 of 3613

    • NASA-LLIS-1472 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A small appliance fire at the Investigation Board's facility pointed to the need for a process to duplicate and secure unique electronic data at an off-site facility to provide disaster ...
      Subject(s) : Accident Investigation , Administration/Organization , Computers , Configuration Management , Information Technology/Systems , NASA Standards , Policy & Planning , Safety & Mission Assurance , Security ,

    • NASA-LLIS-0647 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Operational spacecraft can experience adverse effects from impinging high energy radiation. A single event upset (SEU) occurs when a single particle, usually a heavy ion or proton, deposits ...

    • NASA-LLIS-1412 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      NSI firing circuit design has not previously taken into account the high probability of plasma shorts and subsequent hard-shorting, as seen during testing on MER, which allowed ground (chassis) ...
      Subject(s) : cable cutter , Energetic Materials - Explosive/Propellant/Pyrotechnic , Flight Equipment , Ground Operations , Hardware , Parts Materials & Processes , Payloads , pin-puller , Safety & Mission Assurance , smart NSI , sneak circuit , Spacecraft , Test & Verification , Test Article , test-induced failure ,

    • NACA-RM-E51C06 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The effects of fineness ratio (14.2 and 12.2) and boattailing on aerodynamic characteristics of four bodies of revolution at Mach numbers from 1.50 to 1.99 within a range of angles of attack from 0 degrees 10 degrees at ...
      Subject(s) : BODIES , FITNESS , RATIO , SHAPE , VARIABLES ,

    • NASA-LLIS-0401 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      An extended Voyager mission was feasible due to engineering improvements that permitted the use of redundant hardware to enhance science return.
      Subject(s) : Software , Spacecraft ,

    • NASA-LLIS-0249 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The principal cause of pressure vessel rupture is overpressurization. This overstressing of the tank could result in failures after experiencing normal temperature pressure ...
      Subject(s) : Pressure Vessels ,

    • NACA-TN-755 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1940
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: AN investigation was made of a large-chord NACA 23030 airfoil with a 40- and a 25.66 percent-chord slotted flap to determine the section aerodynamic characteristics of the airfoil affected by flap chord, slot shape, flap ...

    • NASA-TN-D-5102 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1969
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Aerodynamic characteristics and ground effects of supersonic transport with double delta wing
      Subject(s) : AERODYNAMIC , AERODYNAMICS , ANGLE , ATTACK , CHARACTERISTICS , DELTA , DRAG , EFFECT , GROUND , LIFT , MODELS , RATIO , STABILITY , SUPERSONIC , TESTS , TRANSPORTS , TUNNEL , WIND , WINGS ,

    • NASA-LLIS-1222 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Galling of threaded fasteners was experienced in the qualification test program of the Z1 Truss. Fasteners intended to be removable on-orbit galled during test. The fasteners ...
      Subject(s) : Parts Materials & Processes , Procurement Small Business & Industrial Relations , Risk Management/Assessment , Test & Verification , Test Article ,

    • NASA NPD 8610.12 REV G W/CHG 1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2013
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY.
      This NPD is applicable to NASA Headquarters and NASA Centers, including Component Facilities and Technical and Service Support Centers. This language applies to the Jet Propulsion Labatory ...

    • NASA-LLIS-0795 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Analyze all systems to identify potential failure modes by using a systematic study starting at the piece part or circuit functional block level and working up through assemblies and subsystems. ...

    • NASA NPR 6200.1 REV C 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      NASA Procedural Requirements (NPR) document sets forth transportation and general traffic management responsibilities and procedures governing the use of commercial and Government transportation ...

    • NASA-TN-D-3326 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1966
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Heat transfer coefficients of steam condensation in vertical downflow with liquid-vapor interface inside small tube-type condenser.
      Subject(s) : CONDENSER , CONDENSERS , HEAT TRANSFER , HEAT TRANSFER COEFFICIENTS , LIQUID-VAPOR INTERFACE , LIQUID-VAPOR INTERFACES , RANKINE CYCLE , STEAM , VERTICAL MOTION ,

    • NASA-LLIS-0062 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Three sections of a telescoping tube assembly at Pad B rotating service structure (RSS) fell while being extended to incorporate a planned modification (MOD). The MOD ...
      Subject(s) : Facilities , Ground Equipment , Ground Operations , Lifting Devices , Packaging Handling Storage , Parts Materials & Processes ,

    • NACA-ARR-L4H29 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1944
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Charts are presented for the calculation of the critical compressive stress The stress at which local instability occurs for idealised web- and T-stiffened panels, and examples of the use of the charts are given.
      Subject(s) : ALUMINUM ALLOYS - ALCOA 24ST , ALUMINUM ALLOYS - ALCOA XB75ST , CHARTS - STRESSES , STRESSED SKIN - STIFFENER COMBINATIONS , STRESSED SKIN - STIFFENER COMBINATIONS - BUCKLING ,

    • NASA-LLIS-0993 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A valve was damaged by being exposed to excess pressure during testing because it was in the wrong configuration. The valve was in the 'closed' position when warnings and ...
      Subject(s) : Hardware , Pressure Vessels , Test & Verification , Test Article , Test Facility ,

    • NASA-CR-135307 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1977
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Labyrinth air seal static and dynamic performance was evaluated using solid, abradable, and honeycomb lands with standard and advanced seal designs. The effects on leakage of land surface roughness, abradable land porosity, ...
      Subject(s) : ABRASION , AERODYNAMIC CHARACTERISTICS , EVALUATION , FRICTION FACTOR , GAS TURBINE ENGINES , GROOVES , HONEYCOMB STRUCTURES , LEAKAGE , ROTATING BODIES , SEALS (STOPPERS) , SOLID SURFACES , SURFACE ROUGHNESS EFFECTS , TEST STANDS ,

    • NASA-LLIS-0621 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      CHeX: In 1998 the CHeX space flight hardware was damaged due to a drop caused by failure of the lift fixture during transfer of the cryoprobe to a support structure. CHeX: Implement positive ...
      Subject(s) : Crane , Hoist , Human Factors , Lifting Devices ,

    • NASA-LLIS-1451 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Strong support to the CM organization is required to develop a fully functional action/request process and as quickly as possible and minimize the impact to the conduct of the investigation.
      Subject(s) : Accident Investigation , Administration/Organization , Computers , Configuration Management , Information Technology/Systems , NASA Standards , Policy & Planning , Safety & Mission Assurance ,

    • NASA-LLIS-0889 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The New Millennium Program's First Earth-Observing Mission (NMP/EO-1) was selected for flight in March 1996 and completed its Confirmation Review in May 1997. At the time ...
      Subject(s) : Administration/Organization , Financial Management , Flight Equipment , Hardware , Policy & Planning , Spacecraft ,