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

Now showing items 2281-2300 of 3613

    • NASA-LLIS-1554 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A number of times, the AATT Project was directed to add, delete, and/or change the project»s focus of research, not only on existing agreed-to ATM products (tools and concepts), but in ...

    • NASA-LLIS-1478 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2004
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Space Shuttle Orbiter Rudder/Speed Brake (R/SB) Actuators on Orbiter OV-103 were disassembled for inspection after 23 years in service. The actuators had been in service for 23 years and ...
      Subject(s) : Flight Equipment , Hardware , Parts Materials & Processes , Spacecraft ,

    • NACA-RM-E53H25 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Increased attention is currently being directed to the problem of after body aerodynamics, since after body drag frequently represents an appreciable portion of the total body drag of aircraft and missiles. ...

    • NACA-ACR-L6C13 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1946
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      A jet, as it spreads by turbulent mixing, is known to entrain outside air in the mixing zone. Air is thus drawn into the jet and the external flow is caused to incline toward the jet axis. ...
      Subject(s) : AIRCRAFT , ANGLE , ATTACK , DEFLECTION , EFFECTS , FLOW , JET , LONGITUDINAL , STABILITY , TEMPERATURE ,

    • NASA-STD-5012 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2006
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: This standard provides strength and life assessment requirements for National Aeronautics and Space Administration (NASA) liquid fueled space propulsion system engines. "Life," as used in this standard, refers to fatigue ...

    • NASA-LLIS-5456 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A fire at NASA John C. Stennis Space Center occurred in an area that was undergoing asbestos abatement. The direct cost of damage from this mishap has been estimated at $376,000 and was ...
      Subject(s) : Facilities ,

    • NASA-LLIS-0668 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Prior to shipment of hardware or software, conduct a pre-ship review at the completion of the fabrication or build and testing of the item to be shipped. This review is scheduled as part of ...

    • NASA-LLIS-0427 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1996
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A crack in an RF circuit ceramic substrate was revealed by a potentially mission catastrophic loss of output power during thermal-vacuum test of a sensor module. This crack was due to substrate ...
      Subject(s) : Environmental Test , Fabrication Technique , Hardware , Parts Materials & Processes , Spacecraft Radar ,

    • NASA-TN-D-5805 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1970
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Buffet and static aerodynamic characteristics of wings determined in subsonic wind tunnels
      Subject(s) : AERODYNAMIC , ASPECT , BUFFETING , CAMBER , CHARACTERISTICS , RATIO , STATIC , SUBSONIC , THICKNESS , TUNNELS , WIND ,

    • NASA-LLIS-0225 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1992
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Solid Rocket Motor segments are shipped from the facility in Utah to KSC horizontally on railroad cars. During the assembly process at KSC, it has become necessary to ...
      Subject(s) : Launch Vehicle , Packaging Handling Storage , Transportation ,

    • NACA-TN-1187 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Formulas are presented for the calculation of the additional mass corrections to the moments of inertia of airplanes. These formulas are of particular value in converting the virtual moments of inertia of airplanes or ...

    • NASA-LLIS-1284 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Despite the importance of the Project's research results to its industry and military customers, it had little visibility or advocacy within the NASA community. This ...
      Subject(s) : Administration/Organization , Policy & Planning ,

    • NACA-RM-L51A26 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1951
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Previous pressure-distribution and flow investigations of triangular wings (references 1, 2, and 3) have shown leading-edge separation with an accompanying strong vortex flow for wings with sharp-edged ...

    • NASA-TN-D-6453 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1971
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: One dimensional equations describing noncavitating and cavitating flow in liquid-to-liquid jet pumps programmed for computer use.
      Subject(s) : CAVITATION FLOW , COMPUTER PROGRAMS , COMPUTERIZED SIMULATION , FLUID FLOW , FORTRAN , JET PUMPS , ONE DIMENSIONAL FLOW ,

    • NASA-LLIS-0089 

      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 launch and ascent, ice from the ET, SRBs, and orbiter may be dislodged by ignition vibroacoustic or aerodynamic forces and impact the orbiter windows or thermal ...
      Subject(s) : Flight Equipment , Flight Operations , Launch Process , Launch Vehicle , Parts Materials & Processes ,

    • NASA-LLIS-1023 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      Possible Lack of Configuration Control and Software Verification and Validation.
      Subject(s) : Aerospace Safety Advisory Panel , Computers , Configuration Management , Policy & Planning , Research & Development , Safety & Mission Assurance , Software , Test & Verification ,

    • NACA-TN-1473 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A high-speed wind-tunnel investigation was made of the aerodynamic characteristics at various Mach numbers of an NACA 65-210 semispan wing variously equipped with a 25-percent chord full-span slotted flap and 38-percent-semispan ...
      Subject(s) : AILERONS , AIRFOILS , CARRIED , CHAR , DRAG , FLAPS , FULL , HIGH , HINGE , LMAL , LOW , MOMENTS , NACA , ORDINATES , PARTIAL , ROLLING , SLOTTED , SPAN , SPEED , TESTS , TUNNEL , WIND , WING , WINGS , WORK , YAWING ,

    • NASA NPR 8020.12 REV D 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Purpose
      a. This document sets forth NASA requirements applicable to robotic planetary flight programs. These requirements are necessary to enable the Associate Administrator for the Science Mission ...

    • NASA-LLIS-1572 

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

    • NASA-LLIS-3259 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Line-replaceable units (LRUs) are removed, replaced, or inspected far more often than related parts on a standard aircraft. The fastener receptacles quickly become worn and are often difficult to access or replace. For ...
      Subject(s) : Mission Operations and Ground Support Systems. , Mission Operations and Ground Support Systems.Ground processing and manifesting ,