NASA - National Aeronautics and Space Administration (NASA): Recent submissions
Now showing items 3561-3580 of 3613
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NACA-TN-550
Abstract: Measurements were made to determine the relative maximum forces a pilot can exert on the controls of an airplane with the view of obtaining systematic data upon which to base the location of controls within the cockpit and ... -
NASA-LLIS-0186
Abstract: Description of Driving Event:
There are no limit switches to prevent the ET intertank access arm from overrunning its extended position should the hydraulics system fail or the snubbers not stop the ...Subject(s) : Flight Equipment , Ground Operations , Hardware , Launch Process , -
NASA-LLIS-1246
Abstract: Description of Driving Event:
Improvements needed to locate fires and leaks, as well as improvements needed in procedures and tools to control these hazards.Subject(s) : Aerospace Safety Advisory Panel , Emergency Preparedness , Fire Protection , Human Factors , Personal Protective Equipment , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft , -
NASA-GB-A301
Abstract: The growth in cost and importance of software has made it necessary for NASA to establish software standards and guidance for use in the development and acquisition of software. The Software Management and Assurance Program ... -
NASA-LLIS-0830
Abstract: Practice:
Apply a univariate failure prediction algorithm using a signal processing technique to rocket engine test firing data to provide an early failure indication. The predictive maintenance technique ... -
NACA-TN-1855
Abstract: Meteorological conditions conductive to aircraft icing are arranged in four classifications: three are associated with cloud structure and the fourth with freezing rain. The range of possible meteorological factors for ... -
NACA-TN-3431
Abstract: A method of strength analysis of short sheet-stringer panels subjected to compression is presented which takes into account the effect that the riveted attachments between the plate and the stiffeners have on the strength ...Subject(s) : ALUMINUM ALLOYS , BUCKLING , COMPRESSIVE STRENGTH , CONNECTORS , DIAMETERS , FLAT PLATES , LOAD TESTS , NUMERICAL ANALYSIS , PITCH (INCLINATION) , POSITION (LOCATION) , PREDICTION ANALYSIS TECHNIQUES , REINFORCEMENT (STRUCTURES) , RIVETED JOINTS , SHEETS , STIFFENING , STRESS ANALYSIS , STRESSED-SKIN STRUCTURES , STRINGERS , STRUCTURAL FAILURE , WING PANELS , WRINKLING , -
NASA-LLIS-0041
Abstract: Description of Driving Event:
Fuel cells are connected to the orbiter power busses via a motorized switch. OMI emergency procedures for powering down fuel cells assume redundant ground power is connected ...Subject(s) : Configuration Management , Energetic Materials - Explosive/Propellant/Pyrotechnic , Energy , Ground Equipment , Ground Operations , Hardware , Launch Vehicle , -
NASA-LLIS-0978
Abstract: Description of Driving Event:
The successful early mission on-orbit space-to-ground communications between the Terra spacecraft and the EOS Control Center is a reaffirmation of the value of rigorous ...Subject(s) : Test & Verification , Test Article , Test Facility , -
NACA-TR-1193
Abstract: SUMMARY
A method is presented for the estimation of the subsonic-flight-speed characteristics of sharp-lip inlets applicable to supersonic aircraft. The analysis, base on a simple momentum balance ...Subject(s) : AERODYNAMIC , AIR , AIRCRAFT , ANALYSIS , ANGLE , ATTACK , COEFFICIENTS , CORRELATION , DESIGN , DRAG , EXPERIMENTATION , FLOW , INTAKES , MASS , PERFORMANCE , PREDICTION , PRESSURE , RECOVERY , SHARPNESS , SPEED , SUBSONIC , SUPERSONIC , TECHNIQUES , THEORIES , ZERO , -
NASA-LLIS-0588
Abstract: Description of Driving Event:
On October 8, 1997, a 7,000-pound Solid Rocket Booster Holddown Post (HDP) slid off a forklift while it was being moved up a slight ramp into the low bay of building M7-505 ...Subject(s) : Industrial Operations , Packaging Handling Storage , Transportation , -
NACA-TN-1773
Abstract: Results are presented of an investigation made to determine the two dimensional lift and drag characteristics of nine naca 6-series airfoil sections at Reynolds numbers of 15.0x106, 20.0x106, and ...Subject(s) : AIRFOILS , CHAR , NACA , NUMBER , ORDINATES , REYNOLDS , SERIES , -
NASA-LLIS-1441
Abstract: Abstract:
The roles that organizations such as NASA's Aerospace Safety Advisory Panel and National Transportation Safety Board will play in an accident should be clearly established in advance.Subject(s) : Accident Investigation , Administration/Organization , NASA Standards , Policy & Planning , Safety & Mission Assurance , -
NACA-TN-1709
Abstract: An investigation was conducted to determine the effects of a nacelle on the aerodynamic characteristics of a swept wing and the effects of sweep on a wing alone. The aerodynamic characteristics were determined from force ...Subject(s) : AIR , AIRFOILS , CHARACTERISTICS , COMBINATIONS , DISTRIBUTION , DRAG , FLOW , HIGH , LOW , NACA , NACELLE , PRESSURE , SPEED , STABILITY , SWEPTBACK , SWEPTFORWARD , TESTS , TUNNEL , VISUALIZATION , WIND , WING , WINGS , -
NASA NPD 2530.1 REV G W/CHG 1
Abstract: Applicability
a. This NPD applies to the following:
(1) NASA employees or officials; or
(2) Other individuals using NASA-provided telephone systems or facilities, or participating in NASA-sponsored ... -
NASA-TM-X-1517
Abstract: Effect of boattail juncture shape on pressure drag coefficients of isolated afterbodies of supersonic engine nacellesSubject(s) : AERODYNAMIC , AFTERBODIES , BOATTAILS , BODIES , COEFFICIENTS , CONFIGURATIONS , CONICAL , DISTRIBUTION , DRAG , FLOW , GEOMETRY , MODELS , NACELLES , NOZZLE , PRESSURE , SUPERSONIC , TUNNEL , WIND , -
NASA-LLIS-3077
Abstract: Abstract:
Door interfaces require a thermal seal that must be flexible and soft yet handle temperatures as high as 2000 degrees Fahrenheit. Silica-glassbased fabrics are primarily used for this ...Subject(s) : Entry Systems , Ground processing and manifesting , -
NASA-LLIS-0162
Abstract: Description of Driving Event:
The orbiter/ET feedline mating stud tensioner unit exposes personnel to a high pressure source and could result in injury or flight hardware damage. During ratcheting of ...Subject(s) : Flight Equipment , Ground Equipment , Ground Operations , Hardware , Personal Protective Equipment , -
NACA-RM-L58C18
Abstract: An investigation has been conducted to determine the effects vertical location of the wing and horizontal tail on the static lateral and directional stability at various combined angles of attack and sideslip for a supersonic ... -
NASA-HDBK-8719.14
Abstract: This document serves as a companion to NPR 8715.6 and NASA-STD-8719.14 and provides each NASA program and project with supporting material to assist in implementing the NPR and the NASA-STD. The uniform processes, procedures, ...

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