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

Now showing items 2381-2400 of 3613

    • NASA-LLIS-0904 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Selection of VCL as the first ESSP mission, given the cost cap, schedule and mission assurance requirements as specified in the initial ESSP AO in 1996. The primary focus ...
      Subject(s) : Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,

    • NACA-TN-3668 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Tests have been conducted with a series of diffuser shapes defined by empirical equations having constants which are related to the initial boundary-layer thickness. The shapes were designed to provide high pressure recovery ...

    • NASA-TM-4368 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The annual accomplishments is reviewed for the Aerodynamics Division during FY 1991. The program includes both fundamental and applied research directed at the full spectrum of aerospace vehicles, from rotorcraft to planetary ...
      Subject(s) : AEROACOUSTICS , AERODYNAMIC CONFIGURATIONS , AERODYNAMICS , AEROSPACE VEHICLES , AEROTHERMODYNAMICS , ATMOSPHERIC ENTRY , COMPUTATIONAL FLUID DYNAMICS , COMPUTERIZED SIMULATION , FIGHTER AIRCRAFT , FLOW DISTRIBUTION , HYPERSONICS , NATIONAL AEROSPACE PLANE PROGRAM , NAVIER-STOKES EQUATION , ROTARY WING AIRCRAFT , TURBULENCE ,

    • NASA-LLIS-0542 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On the MIDAS project, leak detection for the vacuum chamber was done both by helium "sniffing" using the RGA, and also by checking the N2 to O2 ratio to see if there was ...
      Subject(s) : Hardware , Test & Verification ,

    • NASA-LLIS-1353 

      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) : Flight Operations , Ground Equipment , Ground Operations , Test & Verification ,

    • NACA-TN-2933 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A review is presented of available information on the behavior of brittle and ductile materials under conditions of thermal stress and thermal shock. For brittle material, a simple formula relating physical properties to ...

    • NASA-CR-2538 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1975
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Two-dimensional wind-tunnel tests were conducted to determine effectiveness of spoilers applied to the GA(W)-1 airfoil. Tests of several spoiler configurations show adequate control effectiveness with flap nested. It is ...

    • NASA-LLIS-0120 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On July 13, 1988, hydrazine was being transferred from partially filled drums into LT-44. There were seven drums for a total of 343 gallons. Adding the 134 gallons in LT-44 ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Facilities , Ground Equipment , Ground Operations , Packaging Handling Storage ,

    • NASA-LLIS-1117 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Modification of Prebreathe Protocol for Extravehicular Activity (EVA) Operations
      Subject(s) : Aerospace Safety Advisory Panel , Extra-Vehicular Activity , Medical , Research & Development , Safety & Mission Assurance ,

    • NASA-LLIS-0742 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On May 16, 1994, an AMDAHL 5995M mainframe computer overheated at approximately 8:20 AM in the Software Production Facility (SPF) in Building 30 at JSC. Physical damage ...
      Subject(s) : Communication Systems , Computers , Configuration Management , Energy , Environment , Facilities , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Policy & Planning , Safety & Mission Assurance , Test & Verification , Test Article , Test Facility ,

    • NACA-TN-1732 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A simple theory has been used to determine the effects of geometric dihedral angle on the rolling derivatives of swept wings. Equations and charts are given to show these effects. The analysis indicates that geometric ...
      Subject(s) : AIRFOILS , CARRIED , DAMPING , DIHEDRAL , LAL , LATERAL , MOMENTS , NACA , ROLL , ROLLING , STABILITY , SWEPTBACK , TESTS , TUNNEL , WIND , WINGS , WORK , YAWING ,

    • NACA-TR-631 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1938
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The results of previous reports dealing with airfoil section characteristics and span load distribution data are coordinated into a method for determining the air forces and their distribution on airplane wings. Formulas ...

    • NASA NPD 9645.2 REV E 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. It applies to claims of the United States arising out of erroneous payments of pay and allowances, travel, ...

    • NASA-LLIS-1849 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      When Mars Phoenix spaceflight hardware was transported from the Jet Propulsion Laboratory using a third-party (independent) courier service, it was discovered at the destination that the shock ...
      Subject(s) : Additional Categories. , Additional Categories.Flight Equipment , Additional Categories.Hardware , Additional Categories.Logistics , Additional Categories.Packaging , Handling , Storage , Additional Categories.Payloads , Additional Categories.Risk Management/Assessment , Additional Categories.Transportation , Program Management. , Program Management.Business processes , Program Management.Risk management , Safety and Mission Assurance. , Safety and Mission Assurance.Advanced planning of safety systems , Safety and Mission Assurance.Early requirements and standards definition , Safety and Mission Assurance.Product Assurance , Safety and Mission Assurance.Quality ,

    • NACA-ARR-L4J05 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1944
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was made in the LML 7- by 10-foot wind tunnel of an NACA 23021 airfoil with a double slotted flap having a chord 32 percent of the airfoil chord (0.32c) to determine the aerodynamic section characteristics ...

    • NASA-TN-D-2824 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1965
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Large scale wind tunnel investigation of low speed aerodynamic characteristics of supersonic transport model having variable sweep wings
      Subject(s) : AERODYNAMIC , AIRCRAFT , CHARACTERISTICS , HIGH , LOW , MODEL , MODELS , SPEED , STABILITY , SUPERSONIC , SWEEP , SWEPT , TEST , TESTS , TRANSPORT , TRANSPORTS , TUNNEL , TUNNELS , VARIABLE , WIND , WING , WINGS ,

    • NACA-TN-3245 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Subsonic span loads and the resulting stability derivatives have been calculated for a systematic series of vertical- and horizontal-tail combinations in sideslip and in steady roll in order to provide information embracing ...

    • NASA NPR 8715.7 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      This NASA Procedural Requirements (NPR) contains NASA's policy, roles and responsibilities, and safety review process requirements for safeguarding people and resources (including flight hardware ...

    • NASA-CR-159363 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1980
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The basic theoretical work required to understand sound transmission into an enclosed space (that is, one closed by the transmitting structure) is developed for random pressure fields and for harmonic (tonal) excitation. ...
      Subject(s) : AIRCRAFT COMPARTMENTS , CYLINDRICAL BODIES , FUSELAGES , GRAPHS (CHARTS) , HARMONIC EXCITATION , MATHEMATICAL MODELS , NOISE PREDICTION (AIRCRAFT) , NOISE REDUCTION , PLANE WAVES , SOUND TRANSMISSION , TABLES (DATA) ,

    • NASA-LLIS-0536 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Clean room certified adhesive tape 5413 was used inadvertently in construction of multi-layer insulation (MLI) blanket for a vacuum chamber (instead of clean room certified ...
      Subject(s) : Parts Materials & Processes ,