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

Now showing items 1441-1460 of 3613

    • NASA-LLIS-0765 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Three general methods of ultrasonic testing can be used singly or in combination with each other to identify cracks, debonds, voids, or inclusions in aerospace materials. Each has its own ...

    • NASA-LLIS-1594 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The data compresses poorly in the Zero Path Difference (ZPD) region because of the large dynamic range and the large frame size of the data.
      Subject(s) : Research & Development ,

    • NACA-TR-721 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1941
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The data from previous NACA pressure-distribution investigations of plain flaps and tabs with sealed gaps have been analyzed and are presented in this paper in a form readily applicable to the problems of control-surface ...

    • NACA-ACR-4A11 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1944
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Test data of balanced ailerons have been collected from NACA and British sources. These data, which are presented in the form of charts, are grouped as A – ailerons with Frise balances, B - ailerons with blunt-nose ...

    • NASA-LLIS-0906 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      After the launch of the NOAA-15 spacecraft, an EMI/EMC interference affecting science data was noted in the Advanced Microwave Sounding Unit (AMSU)-B data. This interference ...
      Subject(s) : Hardware , Test & Verification ,

    • NACA-RM-L53I25 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Free-flight tests were made with normal-shock nose-inlet models with l-series, parabolic, and conic cowling profiles to investigate the external drag characteristics at an angle of attack of 00. The Mach number ...

    • NACA-TN-3676 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1956
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This report, the second in a series dealing with the problem of control near the stall, presents the results of flight tests with several typical light aircraft. It has been found that, for all of the aircraft tested, ...

    • NASA-TM-78678 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1978
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Programs are presented for calculating airplane stability characteristics with a card programmable pocket calculator. These calculations include eigenvalues of the characteristic equations of lateral and longitudinal motion ...
      Subject(s) : AIRCRAFT STABILITY , CALCULATORS , DAMPING , DYNAMIC CHARACTERISTICS , EIGENVALUES , HEWLETT-PACKARD COMPUTERS , MATHEMATICAL PROGRAMMING , MOTION STABILITY ,

    • NASA NPD 1210.2 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: APPLICABILITY. a. This NPD applies to any SAR program conducted or sponsored by NASA Headquarters for any NASA activity, whether administrative, functional, technical, or programmatic.
      b. This NPD applies to NASA ...

    • NACA-TR-1037 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A rapidly convergent successive approximation process is described that simultaneously determines both composition and temperature resulting from a chemical reaction. This method is suitable for use with any set of reactants ...
      Subject(s) : APPROXIMATION , CHEMICAL , CHEMISTRY , COMBUSTION , COMPOSITION , COMPUTATIONAL , CRYSTALS , DATA , EQUILIBRIUM , GASES , LIQUIDS , PRODUCTS , PROPERTIES , REACTION , REACTIONS , TABLES , TEMPERATURE , THERMOCHEMISTRY , THERMODYNAMIC , THERMODYNAMICS ,

    • NASA-LLIS-0544 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      MIDAS EMI testing was only done at the experiment assembly level, and when problems were found it required extensive re-work.
      Subject(s) : Test & Verification ,

    • NASA-LLIS-1355 

      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) : Configuration Management , Ground Equipment , Ground Operations , Information Technology/Systems , Test & Verification ,

    • NASA-CR-112235 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1973
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Explicit analytical solutions are derived for the static load carrying capacity of double-lap adhesive-bonded joints. The analyses extend the elastic solution Volkersen and cover adhesive plasticity, adherend stiffness ...
      Subject(s) : ADHESIVE , ANALYSIS , BONDING , COMPOSITE , FAILURE , FATIGUE , JOINTS , LAP , MATERIALS , STABILITY , STRESS , STRUCTURAL , TESTS ,

    • NACA-TN-2974 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Experiments were conducted to obtain information on heat transfer in turbulent, mixed-free- and -forced-convection flow. This flow regime has recently become important in connection with certain engineering applications ...

    • NASA-CR-2696 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1976
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Wind tunnel experiments were conducted to determine the effectiveness of spoilers applied to a finite-span wing which utilizes the GA(W)-1 airfoil section and a 30 chord full-span Fowler flap. A series of spoiler cross ...
      Subject(s) : AERODYNAMIC , AIR , AIRFOIL , CONTROL , FLAPS , FLOW , FORCES , GAW , REFLECTION , SPOILERS , SURFACES , TESTS , TUNNEL , WIND ,

    • NASA-LLIS-1119 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Extravehicular Mobility Unit (EMU) and Orlan Suit Criterion
      Subject(s) : Aerospace Safety Advisory Panel , Extra-Vehicular Activity , Flight Equipment , Policy & Planning , Safety & Mission Assurance ,

    • NACA-TN-1406 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Reports on the performance of high-speed fighter airplanes and recent wind-tunnel investigations at high Mach numbers have indicated large adverse changes in control characteristics due to the effects of ...
      Subject(s) : AIRFOILS , BALANCED , CHAR , CHARACTERISTICS , COMPRESSIBILITY , EFFECT , FLAPS , GAPS , HIGH , MOMENTS , NACA , OVERHANG , ROUGHNESS , SPEED , SURFACE , TESTS , TUNNEL , WIND , WING ,

    • NASA-LLIS-0744 

      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 28, 1993, a NASA astronaut suffered frostbite on eight fingers during manned thermalvacuum (MTV) testing in Chamber B, Building 32, at JSC. This test was the second ...
      Subject(s) : Configuration Management , Cryogenic Systems , Environment , Flight Equipment , Hardware , Hazardous/Toxic Waste/Materials , Medical , Personal Protective Equipment , Research & Development , Risk Management/Assessment , Safety & Mission Assurance , Test & Verification , Test Facility ,

    • NASA-LLIS-1851 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2009
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The CLCS project was initiated in FY 1997 to modernize the Launch Processing System (LPS) that was engineered and developed in the 1970s. The modernization was needed to ensure continued safe ...
      Subject(s) : Additional Categories.Launch Process , Additional Categories.Launch Vehicle ,

    • NASA NPD 8720.1 REV C 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 NPD applies to the Jet Propulsion Laboratory ...