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

Now showing items 3421-3440 of 3613

    • NASA-LLIS-0022 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1991
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A bladder on a shuttle crew emergency rescue equipment inflatable flotation assembly was abraded by the zipper on the flotation sleeve, causing it to leak. Three of the ...
      Subject(s) : Emergency Preparedness , Flight Equipment , Flight Operations , Hardware , Launch Vehicle , Parts Materials & Processes , Personal Protective Equipment , Spacecraft ,

    • NACA-TR-619 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1938
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: In order to determine the effect of shape, compressibility, and Reynolds number on the drag and critical speed for simple forms, the drag forces on models of various simple geometric cross sections were measured in the ...
      Subject(s) : AERODYNAMIC , CIRCULAR , CYLINDERS , DRAG , ELLIPTICAL , NUMBER , REYNOLDS , SHAPES , TESTS , TRIANGLES , TUNNEL , WIND ,

    • NASA-LLIS-0955 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1995
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The Challenger (Space Shuttle Flight #51L) accident triggered a detailed review of all of the joints in the Solid Rocket Motor. Analyses showed a potential weakness and ...
      Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Launch Vehicle ,

    • NACA-TN-2894 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1953
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: A procedure has been developed for predicting the upwash components of the upflow angles in the region above or below the wing-chord planes of swept-back wing-fuselage-nace1le combinations. This procedure entails modifications ...

    • NACA-RM-A9L01 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1950
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION Low-aspect-ratio, all-movable wings or control surfaces have been proposed for highly maneuverable supersonic aircraft as a means for providing greater aircraft control at transonic and supersonic mach numbers ...

    • NASA-LLIS-0707 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Incorporate hardware and software features in the design of spacecraft equipment which tolerate the effects of minor failures and minimize switching from the primary to the secondary string. ...

    • NASA-LLIS-0570 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1997
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      The low pressure buoyancy compensator flex hose failed when it was inadvertently attached to the high pressure port of the SCUBA regulator. When the diver opened the SCUBA ...

    • NASA-LLIS-1368 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2002
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      An employee received an electrical injury after coming in contact with an energized electrical circuit while wiring a relocated emergency generator; the employee subsequently died of the ...
      Subject(s) : Energy , Facilities , Human Factors , Human Resources & Education , Independent Verification and Validation , Industrial Operations , Personal Protective Equipment , Policy & Planning , Procurement Small Business & Industrial Relations , Program and Project Management , Risk Management/Assessment , Safety & Mission Assurance , Test & Verification ,

    • NASA-LLIS-3202 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2010
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Closeout photos were a valuable resource in determining the cause of the Columbia accident, but more photos and better image quality would have been even more helpful. Requirements were ...
      Subject(s) : Ground processing and manifesting ,

    • NASA-SP-3004 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1964
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Tables for supersonic flow around right circular cones at zero angle of attack
      Subject(s) : ANGLE , ATTACK , CIRCULAR , CONE , CONES , FLOW , MATHEMATICAL , SUPERSONIC , TABLE , TABLES , ZERO ,

    • NACA-TN-1553 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1948
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Results are presented for a test program on 24S-T aluminum-alloy flat compression panels with longitudinal formed hat-section stiffeners. The results for panels in which the thickness are presented and incorporated with ...
      Subject(s) : ALCOA , ALLOY , ALLOYS , ALUMINUM , BUCKLING , CHARTS , COMBINATIONS , COMPRESSIVE , HAT , SHAPED , SHEET , SKIN , STIFFENER , STIFFENERS , STRENGTH , STRESSED ,

    • NASA-LLIS-1208 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1999
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A functional test was being performed at one of the subcontractors on Pressure Transducers. The physical setup consisted of a supply pressure bottle connected to a pressure ...
      Subject(s) : Computer-Aided Design/Manufacturing/Engineering , Configuration Management , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Human Factors , Industrial Operations , Launch Process , Parts Materials & Processes , Payloads , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance , Software , Spacecraft , Test & Verification , Test Article , Test Facility ,

    • NACA-TN-1417 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1947
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: INTRODUCTION
      Flight and wind-tunnel studies have show that compressibility will have serious adverse effects on the characteristics of the usual flap type control surface. In order to investigate these effects two ...
      Subject(s) : AIRFOILS , CHAR , CHARACTERISTICS , COMPRESSIBILITY , EFFECT , FLAPS , HIGH , MOMENTS , NACA , OVERHANG , SPEED , TESTS , TUNNEL , WIND , WING ,

    • NASA-LLIS-4058 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      Space Shuttle Alkaline Fuel Cell Powerplants (FCPs) use O2 and H2 as reactants. These FCPs require higher grade LH2 and LO2 (99.99% and 99.989% purity levels, respectively) than Space Shuttle ...
      Subject(s) : Crew Operations , Crew operations and support concepts , Crew Survival Systems , Cryogenic Systems , Energy , Engineering design and project processes and standards , Environmental Control and Life Support Systems , Lander Systems , Level II/III requirements definition , Long term sustainability and maintenance planning , Lunar Operations , Mission and systems trade studies , Mission concepts and life-cycle planning , Orbiting Vehicles , Planetary entry and landing concepts , Planetary Operations , Power , Pressure Vessels , Propulsion , Research & Development , Spacecraft , Spacecraft and Spacecraft Instruments , Vehicle concepts ,

    • NASA NPR 9060.1 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2008
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: PURPOSE
      This NASA Procedural Requirements (NPR) document provides the financial management requirements for cost accruals.
      APPLICABILITY
      This NPR is applicable to NASA Headquarters ...

    • NASA-LLIS-1779 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2007
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      A total loss of power at Orsino Substation occurred at 12:06 pm on Friday March 2, 2007. The power loss affected all facilities south of Schwartz Road at Kennedy Space Center, except the ...
      Subject(s) : Additional Categories.Emergency Preparedness , Additional Categories.Facilities , Additional Categories.Fire Protection ,

    • NASA-TP-2382 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;1985
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: An investigation was conducted in the Langley 30- by 60-Foot Tunnel to determine the aerodynamic characteristics of a powered, full-scale model of a general aviation airplane employing a canard. Although primary emphasis ...

    • NASA-LLIS-0785 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2000
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Practice:
      Subject selected (large surface area, low mass) assemblies, in addition to the full-up flight system, to acoustic noise. It is imperative on missions with fixed launch windows that acoustic ...

    • NASA-LLIS-1500 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2003
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Abstract:
      The Orbital Space Plane (OSP) had many changes in risk systems, a shortage of risk experts, and ineffective application demoted risk management to a box to be checked. Define the risk management ...
      Subject(s) : Administration/Organization , Policy & Planning , Program and Project Management , Risk Management/Assessment ,

    • NASA-LLIS-5496 

      Type: standard
      Source: NASA - National Aeronautics and Space Administration (NASA):;2011
      Organization : NASA - National Aeronautics and Space Administration (NASA)
      Abstract: Description of Driving Event:
      A contractor at KSC was on a project to refurbish the outside of the VAB. The refurbishment effort includes horizontal and vertical doors in High Bays 2 and 4, the South ...