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

Now showing items 3321-3340 of 3613

    • NACA-RM-L56D16 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Tests have been made in the Langley 4- by 4-foot supersonic pressure tunnel at a Mach number of 2.01 to determine the effects of the addition of four small fuselage-mounted cruciform fins on the directional characteristics ...

    • NASA-TN-D-2373 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1964
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Stall characteristics of swept wing configurations
      Subject(s) : AERODYNAMIC , CONFIGURATIONS , STALL , STALLING , SWEPT , WING , WINGS ,

    • NACA-TN-3221 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1954
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A study has been made of existing experimental and theoretical results for an inclined flat plate of infinite span, and of the extent to which the results are indicative of those for thin airfoil sections. The study included ...

    • NASA-CR-151971 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1978
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An empirical drag correlation technique was developed from analysis of 19 subsonic and supersonic military aircraft and 15 advanced or supercritical airfoil configurations which can be applied in conceptual and advanced ...
      Subject(s) : AERODYNAMIC DRAG , COMPUTER PROGRAMS , CORRELATION , FLIGHT CHARACTERISTICS , GRAPHS (CHARTS) , MILITARY AIRCRAFT , PERFORMANCE PREDICTION , SUPERCRITICAL WINGS ,

    • NASA-LLIS-0477 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      In the gathering of test data for IRT fan blades, data was extrapolated for test section airspeeds greater than approximately 200 mph using the 20% air blockage models. A ...
      Subject(s) : Research & Development , Test Facility ,

    • NASA-TN-D-4719 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1968
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Supersonic aerodynamics of large angle cones
      Subject(s) : AERODYNAMICS , ANGLE , ATMOSPHERIC , ATTACK , BODIES , CONICAL , ENTRY , EQUATIONS , FLOW , INTEGRAL , MACH , NEWTON , NUMBER , REYNOLDS , SUPERSONIC , THEORY ,

    • NASA-LLIS-0290 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During burn-in testing of an orbiter General Purpose (Flight) Computer (GPC) in the JSC avionics engineering laboratory, a "fail to synchronize" error was detected. This ...
      Subject(s) : Test & Verification , Test Article ,

    • NASA-LLIS-1321 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Even with expert and experienced programmers, each new software program presents new technical challenges. Changing methodology and requirements during the design phase ...
      Subject(s) : Human Factors , Risk Management/Assessment , Software ,

    • NACA-RM-L8F29 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The plain-flap type of lateral-control device is being considered and incorporated in the design of high-speed aircraft having swept wings. The design engineer on such aircraft is greatly hampered, however, ...

    • NACA-RM-L52B13 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1952
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was made of a 2:1 area ratio conical diffuser of length equal to the inlet diameter with separate variation of several basic parameters for simple nontwisted counterrotating rectangular vortex generators ...

    • NASA-HDBK-4006 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2013
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The information in this handbook presents an overview of the current understanding of the various plasma interactions that can result when a high-voltage system is operated in the Earth's ionosphere, references common ...

    • NASA-LLIS-0344 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A fire occurred on November 27, 1982 at the Arnold Engineering Development Center as a result of cutting propellants on the floor of a vertical test cell. The propellant ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Hazardous/Toxic Waste/Materials , Industrial Operations ,

    • NASA-LLIS-2051 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Transferring into 2 D assembly drawings became difficult to complete in a timely fashion. Engineering change orders would stack up thus resulting in fragmented as-built configuration. Many ...
      Subject(s) : Computer-Aided Design/Manufacturing/Engineering , Configuration control and data management , Engineering design and project processes and standards , Simulators and Training Systems ,

    • NACA-RM-L51E02 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A ducted model having a nose inlet whose external contour was defined by a parabolic arc was flight-tested at zero angle of attack. External drag coefficient and total-pressure recovery at the end of the diffuser were ...

    • NASA-LLIS-1088 

      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 Thursday, January 30, 1992, a NASA contractor employee was tasked by his supervisor with putting casters on a number of office chairs for the Flight Systems and Simulation ...
      Subject(s) : Facilities , Mishap Reporting ,

    • NASA NPR 3300.1 REV B 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: a. NASA must plan for, acquire, develop, and retain a high-performing, flexible workforce to achieve its mission. This NPR establishes the responsibilities, procedures, and guidelines for appointments and details of the ...

    • NASA-LLIS-0712 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      The above practice delineates basic criteria for use in the design of fluid tubing systems for use on space flight equipment. These criteria are meant to enhance reliability and maintainability ...

    • NACA-RM-A50I14 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1950
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The merits of large amounts of sweep for efficient flight (i.e., for Reasonably high lift-drag ratios) at moderate supersonic speeds have been demonstrated by wind-tunnel tests of a wing with the leading ...

    • NASA NPR 9010.1 W/CHG 1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      This NASA Procedural Requirements (NPR) provides an introduction to the financial management requirements.
      APPLICABILITY
      This NPR is applicable to NASA Headquarters and ...

    • NASA-LLIS-1878 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Poorly plated RF waveguides pose a low to moderate risk of corona or arcing in NASA spacecraft that are presently in operation or under development. If use of plated waveguides cannot be ...
      Subject(s) : Additional Categories.Communication Systems , Additional Categories.Hardware , Additional Categories.Industrial Operations , Additional Categories.Parts , Materials , & Processes , Additional Categories.Payloads , Additional Categories.Procurement , Small Business & Industrial Relations , Additional Categories.Risk Management/Assessment , Additional Categories.Safety & Mission Assurance , Additional Categories.Spacecraft , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Manufacturing and Assembly , Program Management.Acquisition / procurement strategy and planning , Program Management.Business processes , Program Management.Contractor relationships , Program Management.Risk management , Safety and Mission Assurance.Early requirements and standards definition , Safety and Mission Assurance.Product Assurance , Safety and Mission Assurance.Quality , Safety and Mission Assurance.Reliability ,