Now showing items 3001-3020 of 3613

    • NACA-ARR-L4D03 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1944
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Pressure-distribution tests have been made in the NACA 4- by 6-foot vertical tunnel of a plain flap with interchangeable beveled trailing edges on an NACA 0009 airfoil. The flap chord was 30 percent of the airfoil chord ...
    • NASA NPR 1371.1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      The purpose of this NPR is to implement the policy set forth in NPD 1371.1, and to ensure that NASA complies with the requirements of the Department of State and U.S. Attorney General for ...
    • NASA-TM-X-57779 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1966
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Ground wind load effects on launch vehicles and circular cylinders - conference
      Subject(s) : AERODYNAMIC , CIRCULAR , CONFERENCE , CONFERENCES , CYLINDER , CYLINDERS , EFFECT , EFFECTS , FORCES , GROUND , LAUNCH , LOAD , LOADS , VEHICLE , VEHICLES , WIND ,
    • NASA-LLIS-0894 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Subject assemblies and the full-up flight system to swept sinusoidal vibration.
    • NACA-TN-3500 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1955
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: It has been found that for wings combining high aspect ratio with large mounts of sweep, the Weissinger seven-point results are in error. A simple procedure is presented here which for a sizable range of plan . forms largely ...
    • NASA-LLIS-0522 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      On 5-2-85, a mishap occurred at the water tunnel at Building 1234. While the tunnel was filled with water for leak checks, the test section door detached from the test ...
      Subject(s) : Hardware ,
    • NASA-SP-164 VOL 1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1968
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Thermal radiation heat transfer data, radiative properties of black bodies, and electromagnetic theory.
      Subject(s) : BLACK BODY RADIATION , ELECTROMAGNETIC INTERACTIONS , HEAT TRANSFER , KIRCHHOFF LAW OF RADIATION , OPACITY , RADIANCE , SPECTRAL EMISSION , TEXTBOOKS , THERMAL RADIATION ,
    • NASA-LLIS-4881 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: When different contractors are used to perform design and perform a task requiring design data (in this case Logistics Support Analyses), conflicts of interest between the contractor organization may result in the inability ...
    • NASA-LLIS-0512 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Since 1960, the NASA Langley Team has flown a NASA-owned F-106B airplane through thunderstorms about 1500 times at altitudes between 5000 and 40000 feet (1500 to 12000 ...
      Subject(s) : Aircraft , Environment , Research & Development ,
    • NASA-LLIS-1361 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Two (2) finger injuries illustrate an important principle for personal protection - when it should begin and end.
      1. A team member was climbing down off a flat bed ...
      Subject(s) : Administration/Organization , Facilities , Flight Operations , Ground Operations , Human Factors , Human Resources & Education , Industrial Operations , Logistics , Medical , Packaging Handling Storage , Parts Materials & Processes , Personal Protective Equipment , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance ,
    • NACA-RM-L55A24 REV A 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1955
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Preliminary results are presented from an investigation to determine the influence of afterbody geometry on the effects of a sonic propulsive jet at transonic speeds. The results presented are base pressure coefficient and ...
    • NACA-TN-1627 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The effects of steady rolling on the longitudinal and directional stability of aircraft have been studied theoretically. Simplifying assumptions have been made with regard to the longitudinal and lateral motions of the ...
    • NASA-LLIS-4176 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A digital processing board suffered a short circuit during an initial functional test because the flight hardware had been placed in a used anti-static bag that is believed to have contained ...
    • NASA NPR 2190.1 REV B 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      a. This NASA Procedural Requirements (NPR) document provides instructions and requirements for implementation of NASA Policy Directive (NPD) 2190.1 NASA Export Control Program. Specifically, ...
    • NASA-LLIS-0362 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1994
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Loss of Magellan telemetry data was traced to moisture contamination due to a subcontractor's failure to use dry gas in the repackaging of an operational amplifier. Recommendations involve ...
      Subject(s) : C Manufacturing and Packaging , Environment , Parts Materials & Processes , Test & Verification ,
    • NASA-LLIS-0110 

      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 LH2 system maintenance includes a monthly vacuum reading in the annulus space in the overhead vacuum-jacketed (VJ) high point bleed and LH2 fill lines. Access to the ...
      Subject(s) : Facilities , Ground Operations , Hardware , Safety & Mission Assurance ,
    • NASA-LLIS-1106 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Crew Involvement in Integration Testing.
      Subject(s) : Aerospace Safety Advisory Panel , Computers , Human Factors , Risk Management/Assessment , Software , Test & Verification ,
    • NASA-LLIS-1298 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Some systems requirements were not rigorously tracked and controlled, resulting in some confusion during the test cycle about success criteria.
      Subject(s) : Administration/Organization , Configuration Management ,
    • NASA-LLIS-0730 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      The sine-burst test is used to apply a quasi-static load to a test item in order to strength qualify the item and its design for flight.
    • NASA NPR 1400.1 REV E 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      a. This directive describes the responsibilities and requirements for creating, revising, reviewing, approving, publishing, and canceling NASA directives and Agency-level charters.
      b. This ...