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

Now showing items 81-100 of 3613

    • NASA-TN-D-6402 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Experimental data on subcooled and net-quality boiling heat transfer to low pressure water in electrically heated tubes.
      Subject(s) : BOILERS , DATA CORRELATION , HEAT TRANSFER , LOW PRESSURE , NONEQUILIBRIUM CONDITIONS , PIPE FLOW , SUPERCOOLING , TEMPERATURE DISTRIBUTION , WALL TEMPERATURE ,

    • NASA-LLIS-0085 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The portable purge units are lifted on and off the MLP. The existing lifting sling design induces stress into the unit's operating components and overstresses the unit's ...
      Subject(s) : Facilities , Ground Equipment , Ground Operations , Hardware , Lifting Devices ,

    • NASA-LLIS-1020 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      X-38 Research Vehicle Use for Crew Return Vehicle Development.
      Subject(s) : Aerospace Safety Advisory Panel , Policy & Planning , Research & Development , Risk Management/Assessment , Spacecraft , Test & Verification , Test Article ,

    • NASA-LLIS-1255 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Safety initiative programs that focus on workforce risk reduction, collateral damage reduction, or increasing maintainability of human error in Shuttle Processing must be ...
      Subject(s) : Flight Operations , Ground Operations , Human Factors , Industrial Operations , Risk Management/Assessment , Safety & Mission Assurance ,

    • NACA-TN-1573 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Results are presented of an investigation made to determine measurements of stability, controllability, and stalling characteristics of five light airplanes.
      Comparison of the characteristics of these airplanes with ...

    • NASA-LLIS-0644 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Flight projects develop and implement handling and storage procedures for Ni-Cd flight batteries when applicable to minimize deterioration and irreversible effects on flight performance due ...

    • NASA-LLIS-1409 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Earned value management (EVM) is a technique used throughout the aerospace industry. An EVM system requires the establishment of a controlled Performance Measurement Baseline (PMB) against ...
      Subject(s) : Financial Management , Information Technology/Systems , Policy & Planning , Program and Project Management ,

    • NACA-RM-L52B15 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1952
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      In order to minimize drag at supersonic speeds, thin wings of low aspect ratio and relatively sharp leading edges have been proposed. A tapered wing of this type with an aspect ratio of 2.5 and thin hexagonal ...

    • NACA-RM-A56I04 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1957
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A program of research on the dynamic stability derivatives of various airplane models is being carried out in the Ames 12-foot pressure wind tunnel. The models are tested on an apparatus which farces an ...

    • NASA-LLIS-0398 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      After rework of a Galileo subsystem, it was discovered that the size of PWB traces in a subsystem power supply had the effect of limiting voltages elsewhere in the system. The problem was ...
      Subject(s) : Parts Materials & Processes , Test & Verification ,

    • NACA-TN-730 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1939
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Estimation of the stability characteristics of airplanes can be Made only if the stability derivatives of the particular airplane are known. Mathematical equations are available and convenient charts are ...

    • NASA-TN-D-4929 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1968
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Computing span loads and stability derivatives due to sideslip, yawing, and rolling for wings in compressible flow
      Subject(s) : AERODYNAMIC , ANGLE , ATTACK , COMPRESSIBILITY , COMPRESSIBLE , EFFECTS , FLOW , LOADING , ROLL , SIDESLIP , SPAN , STABILITY , VORTICES , WING , YAW ,

    • NASA-LLIS-1170 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Critical Skills Challenge Remains for Space Shuttle and International Space Station (ISS) Even with Active Recruiting and New Hires.
      Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , External Relations , Human Resources & Education , Policy & Planning ,

    • NASA-LLIS-0846 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Use Ferrography to diagnose equipment problems and predict equipment failure before it occurs.

    • NASA-TN-D-3010 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1965
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Free vibrations of eccentrically stiffened cylindrical shells and flat plates.
      Subject(s) : CYLINDRICAL SHELL , CYLINDRICAL SHELLS , ECCENTRICITY , FLAT PLATE , FLAT PLATES , FREE VIBRATION , RIGID STRUCTURES ,

    • NACA-ARR-L5B10 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1945
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Results are presented of tests of two sets of 20 curved-sheet specimens to determine the effect of normal pressure on the critical compressive and shear stress of curved sheets. It was found that normal pressure raised the ...
      Subject(s) : ALUMINUM ALLOYS , ATMOSPHERIC PRESSURE , AXIAL COMPRESSION LOADS , BOXES , BUCKLING , COMPRESSIVE STRENGTH , CRITICAL LOADING , CURVED PANELS , LOAD TESTS , PRESSURE EFFECTS , RIBS (SUPPORTS) , SHEAR STRENGTH , SHEAR STRESS , SHEETS , TORSIONAL STRESS ,

    • NASA-LLIS-0059 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      During the removal of the flight reaction control system (RCS) ferry plugs from the orbiter, between 1/4 and 3/4 cup of monomethylhydrazine (MMH) fuel spilled from the ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Hazardous/Toxic Waste/Materials , Launch Vehicle , Safety & Mission Assurance ,

    • NASA-LLIS-1030 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Reductions in Staffing and Funding May Compromise the Ability to Perform Firefighting Training.
      Subject(s) : Aerospace Safety Advisory Panel , Emergency Preparedness , Fire Protection , Human Resources & Education , Safety & Mission Assurance ,

    • NASA-CR-114399 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Under a previous NASA contract and reported in CR-114289 methods for predicting the performance, noise, weight, and cost of propellers for advanced general aviation aircraft of the 1980 time period were developed and ...
      Subject(s) : AIRCRAFT EQUIPMENT , COMPUTER PROGRAMS , EQUIPMENT SPECIFICATIONS , GENERAL AVIATION AIRCRAFT , NUMERICAL ANALYSIS , PERFORMANCE PREDICTION , PROPELLER EFFICIENCY , PROPELLERS ,

    • NASA-LLIS-0658 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Electrical grounding procedures must adhere to a proven set of requirements and design approaches to produce safe and trouble-free electrical and electronic circuits. Proper grounding is ...