NASA - National Aeronautics and Space Administration (NASA): Recent submissions
Now showing items 1321-1340 of 3613
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NASA-LLIS-1822
Abstract: Abstract:
The Office of Exploration Systems (Code T) is collecting space flight lessons and experiences resident within the NASA community. LaRC was tasked by the Associate Administrator for Code T, ... -
NACA-TR-1263
Abstract: This report presents the results of an investigation conducted in the Langley 300 mph 7- by 10-foot wind tunnel for the purpose of determining the aerodynamic characteristics of a model wing-propeller combination, and of ...Subject(s) : AERODYNAMIC , AIRCRAFT , ANGLE , ATTACK , CHARACTERISTICS , CONFIGURATIONS , DYNAMIC , FLIGHT , LANDING , LIFT , LOADING , MOMENTS , PERFORMANCE , PITCHING , PRESSURE , PROPELLER , PROPELLERS , SLIPSTREAMS , TAKEOFF , TESTS , THRUST , TUNNEL , WIND , WING , WINGS , -
NASA-TN-D-523
Abstract: An investigation has been made in the Mach 3.5 blowdown jet of the Langley High-Temperature Fluid Mechanics Section of the flow in a rectangular cavity in a flat plate. The results indicate that a critical value of the ...Subject(s) : BLOWDOWN , BOUNDARY , CAVITIES , CHARACTERISTICS , DISTRIBUTION , FLAT , FLOW , LAYER , PHOTOGRAPHY , PLATES , PRESSURE , SCHLIEREN , SPAN , SUPERSONIC , TESTS , TUNNEL , TUNNELS , TURBULENT , WIND , WING , -
NACA-TN-2948
Abstract: Flight tests were made with a typical light airplane to investigate possibilities for obtaining reliable control at low flight speeds. It was found that satisfactory lateral control occurred consistently, even under ... -
NASA-TR-CR-114289
Abstract: Sensitivity analysis of advance propeller configurations designed for general aviation aircraft of 1980 time period.Subject(s) : COMPUTER PROGRAMS , COST ANALYSIS , GENERAL AVIATION AIRCRAFT , NOISE (SOUND) , PERFORMANCE PREDICTION , PROPELLERS , SENSITIVITY , WEIGHT (MASS) , -
NASA-LLIS-0466
Abstract: Description of Driving Event:
During the visual receiving inspection process of the fourth stage Altair IIIA motor for a 1984 launch from the Wallops Flight Facility, a delamination was found in the ...Subject(s) : Hardware , Launch Vehicle , Logistics , Packaging Handling Storage , -
NASA-LLIS-0275
Abstract: Abstract:
Over the years, numerous incidents of failed solder joints have occurred to electronic equipment at JPL and contractor facilities. The problem was traced to thermal cycling of conformal ...Subject(s) : Environment , Flight Equipment , Hardware , Industrial Operations , Parts Materials & Processes , -
NASA-TP-1306
Abstract: Two identification methods, the equation error method and the output error method, are used to estimate stability and control parameter values from flight data for a low-wing, single-engine, general aviation airplane. The ...Subject(s) : AERODYNAMIC , AIRCRAFT , ANALYSIS , CHARACTERISTICS , CONTROL , EQUATIONS , ESTIMATES , FLIGHT , LEAST , LIGHT , LIKELIHOOD , MAXIMUM , METHOD , MONITORING , MOTION , PARAMETERIZATION , REGRESSION , SQUARES , STABILITY , SURFACES , -
NASA-LLIS-1306
Abstract: Description of Driving Event:
The signed Memorandum of Understanding (MOU) was needed repeatedly throughout the mission development process. The mission had a complete and timely MOU in place far in ...Subject(s) : Administration/Organization , -
NACA-RM-L55J25
Abstract: INTRODUCTION
The National Advisory Committee for Aeronautics is conducting wind-tunnel investigations to determine the aerodynamic characteristics of airplane models with various arrangements of the component parts. ... -
NACA-ARR-L5C24
Abstract: Tests have been made to study the effectiveness of small pressure differences, such as exist between the inside of airplane ducts and the external airplane surfaces suitable for duct exits, in removing the duct boundary ... -
NASA NPR 5101.33 REV A
Abstract: Purpose
This NPR provides internal guidance for Agencywide advocacy roles:
a. The NASA Procurement Ombudsman.
b. Competition and Commercial Item Advocacy.
c. Value Engineering (VE). ... -
NASA-TN-D-2280
Abstract: Heat transfer and average friction coefficients for hydrogen and helium flowing in tungsten tube.Subject(s) : COEFFICIENT OF FRICTION , FRICTION , FRICTION COEFFICIENT , HEAT TRANSFER , HELIUM , HYDROGEN , SURFACE TEMPERATURE , TUNGSTEN , -
NASA-LLIS-0368
Abstract: Abstract:
Galileo: The spare Galileo high gain antenna was damaged during modal, acoustic, and pyro shock testing, resulting in the revocation of the flight qualification of the spare. Be cautious of ...Subject(s) : Environment , Hardware , Test & Verification , -
NASA-LLIS-2036
Abstract: Abstract:
The Tunable Laser Spectrometer (TLS) are sensitive to optical standing wave contamination that can be ameliorated by making small adjustments in instrument alignment after system integration. ...Subject(s) : 1.Flight Equipment , 1.Hardware , 1.Payloads , 1.Planning of requirements verification processes , 1.Risk Management/Assessment , 1.Spacecraft and Spacecraft Instruments , 1.Test & Verification , 1.Test Article , -
NASA-LLIS-1075
Abstract: Description of Driving Event:
Implementation of logistics functions under the Space Flight Operations Contract (SFOC)Subject(s) : Aerospace Safety Advisory Panel , Logistics , Parts Materials & Processes , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance , -
NACA-RM-A8H30
Abstract: INTRODUCTION
A systematic investigation of the control-surface characteristics, particularly the hinge-moment parameters, of horizontal-tail surfaces has been undertaken by the NACA to provide experimental results for ... -
NASA-LLIS-1760
Abstract: Abstract:
A video clip lesson learned on the topic of Process Control. Actuators inside the tail enable the rudder speed brake panels to steer and slow the Space Shuttle during descent and landing. ...Subject(s) : Additional Categories.Flight Equipment , Additional Categories.Ground Equipment , Additional Categories.Ground Operations , Additional Categories.Hardware , Additional Categories.Industrial Operations , Additional Categories.Parts , Materials , & Processes , Additional Categories.Risk Management/Assessment , Additional Categories.Safety & Mission Assurance , Additional Categories.Spacecraft , Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Mission Operations and Ground Support Systems.Ground processing and manifesting , Mission Operations and Ground Support Systems.Ground support systems , Missions and Systems Requirements Definition.Human factors impact on mission design , Safety and Mission Assurance.Advanced planning of safety systems , Safety and Mission Assurance.Configuration Change Control , Safety and Mission Assurance.Early requirements and standards definition , Safety and Mission Assurance.Impact of human factors on systems requirements and designs , Safety and Mission Assurance.Maintenance , Safety and Mission Assurance.Product Assurance , Systems Engineering and Analysis.Human factors planning , -
NASA-TP-1652
Abstract: Experimental values of shock shapes (angles of attack of 0 deg and 10 deg) and static aerodynamic coefficients (angles of attack of -4 deg to 12 deg for sharp and spherically blunted cones having cone half angles of 30 ...Subject(s) : AERODYNAMIC , AEROSPACE , ANALYSIS , ANGLE , ATTACK , BLUNT , BODIES , COEFFICIENTS , CONES , CONFIGURATIONS , ENGINEERING , GALILEO , HEAT , HYPERSONICS , MACH , NOSE , NUMBER , NUMERICAL , PERFORMANCE , PREDICTION , PROJECT , SHOCK , SPACECRAFT , SPECIFIC , WAVES ,

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