Now showing items 2441-2460 of 3613

    • NASA-STD-8739.5 W/CHG 2 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      This Standard sets forth fiber optic termination and cabling requirements for reliable fiber optic installations, both single- and multi-mode fiber.
      Special requirements may exist which are ...
    • NASA-LLIS-0444 

      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 mating of the Magellan Spacecraft connectors within the forward equipment module (a confined space with limited visibility), the technician observed sparks, flames, ...
      Subject(s) : Energy , Hardware , Parts Materials & Processes ,
    • NASA-LLIS-0245 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      An electrical contractor employee was driving studs into a Haydite wall with a cartridge powered Ram-Set. The stud went through the wall and traveled approximately 25 feet ...
      Subject(s) : Facilities , Ground Operations , Industrial Operations ,
    • NACA-TN-1303 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An isosceles triangle twisted into a screw surface about its axis is proposed as a propeller for transonic flight speeds. The purpose is to attain the drag reduction associated with large sweepback in a structurally ...
    • NACA-TN-84 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1922
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Thus far, all attempts at the quantitative determination of drag, on the basis of the theory of viscous fluids, have met with but slight success. For this reason, whenever a more accurate knowledge of the drag is desirable, ...
      Subject(s) : AERODYNAMIC , AIR , BODIES , COEFFICIENTS , CYLINDRICAL , DRAG , FLOW , FLUIDS , RESISTANCE , VISCOUS ,
    • NASA-STD-6002 REV D 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This standard and its related handbook, NASA-HDBK-6003, Application of Data Matrix Identification Symbols to Aerospace Parts Using Direct Part Marking Methods/Techniques (DPM), were developed to provide NASA and its ...
      Subject(s) : Data matrix , Direct part marking , License tag number , Machine-readable symbol , Part identification , Part marking , Protective coating ,
    • NASA-LLIS-1261 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      While testing at Mach 0.8 in the 16-ft Transonic Tunnel, a full-scale F-15 inlet model separated from the sting. The model traveled downstream and impacted the catch screen ...
      Subject(s) : Facilities , Test & Verification , Test Facility ,
    • NACA-RM-L52G18 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1952
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      In connection with some studies of hydrodynamic control surfaces, three low-aspect-ratio rectangular airfoils were tested at low subsonic Mach numbers in the Langley low-turbulence pressure tunnel. The ...
    • NACA-TN-2289 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: The sandwich plate consisting of corrugated sheet fastened between two face sheets is considered. Application of existing theories to the analysis of such a sandwich plate requires the knowledge of certain elastic constants. ...
      Subject(s) : CONSTRUCTION , CORRUGATED , ELASTICITY , METAL , PLATES , SANDWICH , THEORIES , WINGS ,
    • NASA-TP-1080 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1977
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A test program was conducted to evaluate friction performance and wear characteristics on wet runways of three 30 x 11.5-14.5, type, aircraft tires having two different tread patterns and natural rubber contents. All test ...
      Subject(s) : AIRCRAFT LANDING , AIRCRAFT TIRES , BRAKING , FRICTION MEASUREMENT , RUBBER , RUNWAYS , TREADS , WEAR TESTS ,
    • NASA-LLIS-0305 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1993
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      To reduce costs, the Mars Observer propulsion and other subsystems followed design practices more common to earth-orbiting satellites than to planetary missions. Consider contractor experience ...
      Subject(s) : Parts Materials & Processes , Spacecraft ,
    • NASA-LLIS-1588 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The NGLT middle-managers forum for integration across the program greatly improved overall program execution. NASA programs should create a middle managers? forum for integration at the Program ...
      Subject(s) : Administration/Organization , Policy & Planning , Program and Project Management ,
    • NASA-LLIS-1036 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2001
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Primary Reaction Control System (PRCS) pilot-operated valve (POV) controls the flow of hypergolic liquid propellants, nitrogen tetroxide (oxidizer) and monomethylhydrazine ...
      Subject(s) : Hardware , Industrial Operations , Parts Materials & Processes , Research & Development , Test & Verification ,
    • NASA-LLIS-5957 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2012
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: On July 31, 2007, a Sensor Pack 1 (SP1) was found damaged during placement into a shipping container following a successful Integrated Verification Test (IVT). IVT is an electrical functional verification of the SP1 while ...
    • NACA-ACR-3L08 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1943
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      The NACA has been conducting an extensive wind-tunnel investigation to determine the aerodynamic characteristics of various types of airplane control surface in order to supply data for design purposes. ...
      Subject(s) : AIRFOILS , BALANCED , BEVELED , BULGED , DEFLECTION , DISTRIBUTION , ELEVATORS , FLAPS , GAP , HINGE , LIFTING , LINE , MOMENTS , NACA , PRESSURE , SEALED , TABS , THEORIES , WING ,
    • NASA-LLIS-0665 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Oil-free pumping is the latest state of art in vacuum pump technology. At Kennedy Space Center, this technology is used to maintain approximate 650 sections of the LOX/LH2 vacuum jacketed ...
    • NASA-LLIS-1489 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      With the advent of on-orbit reprogrammable remote sensing instruments, the need for high fidelity hardware capable of executing an identical copy of flight software or firmware for Field ...
      Subject(s) : Configuration Management , Flight Equipment , Ground Equipment , Policy & Planning , Risk Management/Assessment , Software , Test & Verification , Training Equipment ,
    • NASA-LLIS-1569 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2005
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The AATT Project was directed, at the Non-Advocate Review (NAR), to not maintain a reserve, which significantly hampered the project's ability to mitigate risk and address unforeseen situations. ...
      Subject(s) : Air-Traffic Management , Policy & Planning , Program and Project Management , Risk Management/Assessment ,
    • NACA-RM-A51H02 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A research program is in progress at the Ames Aeronautical Laboratory to ascertain experimentally at subsonic and supersonic Mach numbers the characteristics of wings of interest in the design of high-speed ...
    • NASA-LLIS-0641 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Mars Climate Orbiter (MCO) Mission objective was to orbit Mars as the first interplanetary weather satellite and provide a communications relay for the Mars Polar ...
      Subject(s) : Configuration Management , Flight Equipment , Flight Operations , Mishap Reporting , Software , Spacecraft , Test & Verification ,