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

Now showing items 201-220 of 3613

    • NACA-RM-L54C29 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The use of thin swept wings to improve the high-speed-performance characteristics of airplanes has resulted in abrupt reductions in longitudinal stability that have been described as "pitch-up". Results ...

    • NASA NPD 7410.3 REV J 

      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 all NASA Centers, including Component Facilities. In consonance with the Inspector General Act of 1978, as amended (5 U.S.C. Appendix), ...

    • NASA NPR 6000.1 REV H 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      This NASA Procedural Requirement (NPR) establishes packaging, handling, and transportation requirements adequate to maintain the reliability of NASA items and to achieve their damage-free ...

    • NACA-TR-D-1153 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The transonic aerodynamic characteristics of wings of finite span are discussed from the point of view of a unified small perturbation theory for subsonic, transonic, and supersonic flows about thin wings. This approach ...
      Subject(s) : AERODYNAMIC DRAG , ASPECT RATIO , COMPRESSIBLE FLOW , FLOW EQUATIONS , FLOW STABILITY , FLOW THEORY , LIFT , PERTURBATION THEORY , PITCHING MOMENTS , PRESSURE DISTRIBUTION , SIMILITUDE LAW , SUBSONIC FLOW , SUPERSONIC FLOW , THIN WINGS , TRANSONIC FLOW , WING SPAN ,

    • NASA-LLIS-0328 

      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 accident investigation into the fire and destruction of a Pershing II stage I missile motor in Germany revealed that it was accepted that the propellant (QBJ-29) was ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Energy , Hazardous/Toxic Waste/Materials , Industrial Operations ,

    • NASA-TN-D-1376 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1962
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Influence of tire tread pattern and runway surface condition on braking friction and rolling resistance of a modern aircraft tire.
      Subject(s) : AIRCRAFT , AIRCRAFT TIRES , ASPHALT , BRAKE , BRAKES (FOR ARRESTING MOTION) , BRAKING , FRICTION , ROLLING , RUNWAY , RUNWAY CONDITIONS , TIRE , TIRES , TREADS , WETTING ,

    • NASA-LLIS-6036 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A gaseous hydrogen (GH2) leak occurred on 03/11/09, during the STS-119/ET-127 cryogenic loading for flight, and was repaired with a "fix to fly" approach by replacing the flight seal and the Ground Umbilical Carrier Assembly ...
      Subject(s) : Additional Categories.Cryogenic Systems , Additional Categories.Flight Equipment , Additional Categories.Ground Equipment , Additional Categories.Ground Operations , Additional Categories.Hardware , Additional Categories.Launch Process , Additional Categories.Launch Vehicle , Additional Categories.Parts , Materials , & Processes , Additional Categories.Test & Verification , Engineering Design (Phase C/D).Launch Systems , Integration and Testing , Manufacturing and Assembly , Mission Operations and Ground Support Systems.Ground processing and manifesting , Mission Operations and Ground Support Systems.Ground support systems , Mission Operations and Ground Support Systems.Launch support systems , Mission Operations and Ground Support Systems.Mission operations systems , Program Management.Configuration and data management , Program Management.Cross Agency coordination , Safety and Mission Assurance.Product Assurance , Safety and Mission Assurance.Quality , Systems Engineering and Analysis.Engineering design and project processes and standards , Systems Engineering and Analysis.Planning of requirements verification processes ,

    • NASA-LLIS-1062 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1998
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event
      International Space Station (ISS) Software Development Schedule
      Subject(s) : Aerospace Safety Advisory Panel , Information Technology/Systems , Policy & Planning , Research & Development , Risk Management/Assessment , Safety & Mission Assurance , Software , Spacecraft , Test & Verification ,

    • NACA-RM-A7K03 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The possible advantages of thin, low-aspect-ratio, triangular wings at supersonic speeds have been shown theoretically by several investigators (references 1,2, and 3). The characteristics of these wings ...

    • NASA-LLIS-0676 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Derate applied stress levels for electrical, electronic, and electromechanical (EEE) part characteristics and parameters with respect to the maximum stress level ratings of the part. The allowed stress levels ...

    • NASA-LLIS-1719 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2006
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Unexplained anomalies in hazardous environments must be regarded as imminent hazards until a risk assessment is made.
      Subject(s) : Additional Categories. , Additional Categories.Configuration Management , Additional Categories.Emergency Preparedness , Additional Categories.Energy , Additional Categories.Facilities , Additional Categories.Fire Protection , Additional Categories.Human Factors , Additional Categories.Industrial Operations , Additional Categories.Parts , Materials , & Processes , Additional Categories.Personal Protective Equipment , Additional Categories.Policy & Planning , Additional Categories.Procurement , Small Business & Industrial Relations , Additional Categories.Risk Management/Assessment , Manufacturing and Assembly , Program Management. , Program Management.Business processes , Program Management.Communications between different offices and contractor personnel , Program Management.Contractor relationships , Program Management.Risk management ,

    • NASA-LLIS-1520 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      In a scenario that is most likely to occur on severely time-constrained flight projects, system-level testing is interrupted and test time is lost because of unreported changes to the testbed ...
      Subject(s) : and launch operations , assemble , ATLO , Configuration Management , Flight Equipment , Ground Equipment , Ground Operations , Spacecraft , subsystem test , test , Test & Verification , Test Article , test bed , test configuration , Test Facility , test plan , test procedure ,

    • NASA NPR 9311.1 

      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) provides the financial management requirements for External Reports – Budget.
      APPLICABILITY
      This NPR is applicable to NASA ...

    • NACA-RM-A51D25 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Highly swept-back wings have been the subject of numerous investigations at low speed directed toward overcoming the longitudinal-stability difficulties encountered at moderate lift coefficients. Test ...

    • NASA-LLIS-0441 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The exterior of MO was found to be dirty after the spacecraft had been mated to the launch vehicle. The air conditioning piping or the nitrogen purge system were the likely sources of the ...
      Subject(s) : Environment ,

    • NASA-LLIS-0242 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Fire Protection ,

    • NASA-TN-D-7163 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1973
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The effects of variations in fineness ratio and closure ratio on the boattail drag of circular-arc afterbody models have been investigated at static conditions and at Mach numbers from 0.40 to 1.30. Angle of attack was ...
      Subject(s) : AERODYNAMIC , AFTERBODIES , ANGLE , ATTACK , BOATTAILS , DRAG , EXHAUST , JET , MACH , NUMBER , REYNOLDS ,

    • NACA-TN-1294 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The use of spoilers as lateral-control devices has long been a subject of research for the National Advisory Committee for Aeronautics. Some notable merits of spoilers, such as control at high angles of ...
      Subject(s) : AILERONS , AIRFOILS , CARRIED , CHAR , CONTROL , DEVICES , HIGH , LATERAL , LMAL , MOMENTS , NACA , POSITION , ROLLING , SPEED , SPOILERS , STABILITY , TAPERED , TESTS , TUNNEL , WIND , WING , WINGS , WORK , YAWING ,

    • NASA-LLIS-1258 

      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 wire harness was installed on a flight unit for a fit check. Subsequent manufacturing operations were continued through several steps until it was realized that the wire ...
      Subject(s) : Configuration Management , Industrial Operations , Packaging Handling Storage , Parts Materials & Processes , Policy & Planning , Safety & Mission Assurance ,

    • NACA-RM-L52E06 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1952
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      One limitation of flight-testing techniques is that, in general, an aircraft component can be tested only as part of a combination which is aerodynamically and structurally capable of stable flight. Because ...