NASA - National Aeronautics and Space Administration (NASA): Recent submissions
Now showing items 1101-1120 of 3613
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NASA-LLIS-5183
Abstract: Late in the Constellation Program, a trade study was performed to assess ordnance connects and closeouts in the Vehicle Assembly Building (VAB) at the Kennedy Space Center. This trade study discussed the need for ground ... -
NASA-LLIS-0670
Abstract: Practice:
Apply a Contamination Control Program to those spacecraft projects involving scientific instruments which have stringent cleanliness level requirements. -
NASA NPD 1080.1 REV B
Abstract: As mandated in the National Aeronautics and Space Act of 1958, as amended, two of NASA's objectives are the expansion of human knowledge and the establishment of long-range studies of aeronautic and space activities for ... -
NASA-LLIS-1565
Abstract: Abstract:
The Agency has aggressively committed to pursue performance tracking such as Earned Value Management (EVM). However, given the constraints of operating within the restrictions and limitations ...Subject(s) : Air-Traffic Management , External Relations , Financial Management , -
NASA-LLIS-1426
Abstract: Abstract:
Potential bolt failure where high-strength cadmium-plated bolts are used in high-temperature applications.Subject(s) : Accident Investigation , Facilities , Hardware , Human Factors , Mishap Reporting , Safety & Mission Assurance , -
NASA-LLIS-0415
Abstract: Abstract:
During final flight acceptance testing, an RF breakdown in an exciter revealed that its design was subject to RF breakdown at critical pressure. Costly design modifications late in the program ...Subject(s) : Hardware , Parts Materials & Processes , Spacecraft , -
NASA-LLIS-0211
Abstract: Description of Driving Event:
The furnace involved was a procedyne high temperature fluidbed furnace with an 1850 degrees F maximum operating temperature. The furnace medium consisted of 1000 lbs of ...Subject(s) : Hardware , Industrial Operations , -
NACA-TN-847
Abstract: A theoretical analysis is given for the stresses and deflections of a square plate with clamped edges under normal pressure producing large deflections. Values of the bending stress and membrane stress at the center of the ...Subject(s) : CALCULATIONS , CIRCULAR , CLAMPS , FLAT , PLATES , PRESSURE , RECTANGULAR , RITZ , SQUARE , STRESS , STRESSES , -
NASA-TN-D-6053
Abstract: Flight evaluation of ground effect on low aspect ratio airplanesSubject(s) : AERODYNAMICS , AIRCRAFT , ASPECT , EFFECT , FLIGHT , GROUND , LOW , RATIO , STABILITY , STOL , TESTS , TUNNEL , WIND , -
NASA-LLIS-1234
Abstract: Description of Driving Event:
Strategic Resources Review (SRR) facility closure decisions.Subject(s) : Aerospace Safety Advisory Panel , Facilities , Financial Management , Logistics , Policy & Planning , -
NACA-RM-L9F14
Abstract: INTRODUCTION
The influence of a number of different geometric parameters on the rolling stability derivatives of wings have been investigated in the Langley stability tunnel by means of the rolling-flow technique. (See ... -
NASA-TN-D-4592
Abstract: Cavitation performance of jet pumps having low ratios of nozzle to throat area.Subject(s) : CAVITATION FLOW , FLOW VELOCITY , JET PUMPS , NOZZLE EFFICIENCY , NOZZLE FLOW , NOZZLE WALLS , SHEAR FLOW , SPACECRAFT POWER SUPPLIES , STREAMLINING , THROATS , -
NACA-TM-605
Abstract: Noting that the stiffness of the girder increases very rapidly as Beta increases, the result can be summed up as follows: When the cross stress preponderates in one direction and when the web plate is to be given the ... -
NASA-LLIS-0074
Abstract: Description of Driving Event:
A technician was working on the ET access platform, attempting to close the bifold doors on the 155 foot level of Pad B. The brake released on the hoist that was holding ...Subject(s) : Facilities , Ground Equipment , Ground Operations , Hardware , Lifting Devices , -
NASA-LLIS-1005
Abstract: Description of Driving Event:
Block II SSME Test Schedule Slippage and SSME Test Stand Availability.Subject(s) : Aerospace Safety Advisory Panel , Policy & Planning , Test & Verification , Test Facility , -
NACA-TN-2662
Abstract: Methods of analyzing web systems working in diagonal tension have been given in Part I of this paper. Part II presents the experimental evidence. -
NASA NPR 1385.1
Abstract: PURPOSE
This NPR establishes procedures, requirements, and criteria for the acceptance of public speaking engagements by NASA Astronauts.
APPLICABILITY
This NPR applies to NASA ... -
NASA-LLIS-0633
Abstract: Description of Driving Event:
In support of obtaining flight certification for space flight experiment, there is a requirement and it is standard practice to perform both safety and verification testing. ...Subject(s) : Flight Equipment , Hardware , Payloads , Research & Development , Safety & Mission Assurance , Test & Verification , -
NASA-LLIS-1464
Abstract: Abstract:
Clear IT security policies, consistent across all NASA Centers, need to be in place for care and management of ITAR, export control, and investigation sensitive information to avoid complications, ...Subject(s) : Accident Investigation , Administration/Organization , Computers , Configuration Management , Information Technology/Systems , NASA Standards , Policy & Planning , Safety & Mission Assurance , Security ,

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