NASA - National Aeronautics and Space Administration (NASA): Recent submissions
Now showing items 2641-2660 of 3613
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NASA-LLIS-0044
Abstract: Description of Driving Event:
A painter in the utility annex stepped on a pipe, causing it to fracture at the interface of an attached valve. The pipe remained attached to the valve, but the leak sprayed ...Subject(s) : Emergency Preparedness , Facilities , Hardware , Industrial Operations , -
NASA-LLIS-0980
Abstract: Description of Driving Event:
The Terra spacecraft relied on several state-of-the-art developments, as a result of the demanding resource requirements of the Terra instrument suite. These spacecraft ...Subject(s) : Ground Equipment , Test & Verification , -
NASA-LLIS-1445
Abstract: Abstract:
Experience with PBMA indicates that a single configuration management/electronic library will not meet needs of all investigation participants.Subject(s) : Accident Investigation , Computers , Configuration Management , Information Technology/Systems , Policy & Planning , Procurement Small Business & Industrial Relations , Safety & Mission Assurance , -
NASA-LLIS-0590
Abstract: Abstract:
Mars Pathfinder (MPF) flight software development departed from strict adherence to then existing institutional software standards in order to produce software that would contribute to lower ...Subject(s) : Concurrent Engineering , Cryogenic Systems , Industrial Operations , Occupational Health , Personal Protective Equipment , Rapid Prototyping , Software Life Cycle , System Architecture , -
NASA-LLIS-1432
Abstract: Abstract:
Mishap while preparing to perform pneumatic flushing of debris from high pressure air lines in the 8- Foot High Temperature Tunnel (8'HTT).Subject(s) : Accident Investigation , Facilities , Hardware , Human Factors , Mishap Reporting , Safety & Mission Assurance , -
NASA-LLIS-0871
Abstract: Description of Driving Event:
On January 4, 1995, at approximately 8:50 a.m., two technicians at WSTF were overcome and collapsed from breathing in an oxygen deficient atmosphere that formed during ...Subject(s) : Cryogenic Systems , Emergency Preparedness , Environment , Facilities , Ground Operations , Hazardous/Toxic Waste/Materials , Human Factors , Logistics , Packaging Handling Storage , Personal Protective Equipment , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance , Test Facility , Transportation , -
NASA-LLIS-0883
Abstract: Practice:
Use of the Facility Chilled Water (FCW) System to provide the heat exchange medium for the hypergolic propellant Thermal Conditioning Units (TCU). -
NACA-TN-1743
Abstract: Flight measurements have been made to determine the low-speed flying qualities of an airplane having a wing swept back 35° at the quarter-chord line. The lateral and detections stability and control characteristics ...Subject(s) : AIRPLANES , CHARACTERISTICS , CONTROL , DIHEDRAL , DIRECTIONAL , FLYING , LATERAL , LONGITUDINAL , QUALITIES , SIDESLIPPING , SLOTS , STABILITY , STALLING , STATIC , SWEPTBACK , WING , WINGS , -
NACA-TM-X-1665
Abstract: Sideslip angle effects on static stability characteristics of T tail transport configurationSubject(s) : AERODYNAMIC , AIRCRAFT , ANGLE , ATTACK , CHARACTERISTICS , COEFFICIENTS , CONFIGURATIONS , MOMENTS , SIDESLIP , STABILITY , STATIC , SURFACES , TAIL , TRANSPORT , YAWING , -
NASA-LLIS-2737
Abstract: Abstract:
While radio frequency (RF) Shuttle Main Engine telemetry data was being recorded during the vehicle ascent phase of STS-123, off-nominal noise in the data stream, combined with the use of a ...Subject(s) : Configuration control and data management , Crew Survival Systems , Engineering design and project processes and standards , Ground Equipment , Ground Operations , Ground support systems , Human factors impact on mission design , Launch support systems , Security , Software , Test & Verification , -
NASA-LLIS-0164
Abstract: Description of Driving Event:
Non-collapsible handrails are in place on the OPF buckets. When the OPF bucket (platform) is raised to the full up position, the hand rails stress, creating the potential ...Subject(s) : Facilities , Ground Operations , -
NACA-TM-798
Abstract: Investigations on the flow phenomena at plates and cambered models were carried out with the aid of force measurements, some pressure distribution measurements, and photographic observation. The experimental methods are ... -
NASA-LLIS-1187
Abstract: Description of Driving Event:
At the Kennedy Space Center on August 11, 1992, in Vehicle Assembly Building (VAB) High Bay #1, the 250 Ton crane #1 was stacking the left forward Solid Rocket Motor (SRM) ...Subject(s) : Facilities , Ground Equipment , Ground Operations , Hardware , Human Factors , Industrial Operations , Launch Process , Lifting Devices , Mishap Reporting , Packaging Handling Storage , -
NACA-TN-2445
Abstract: Results are presented of wind-tunnel tests made at low speed of various small-scale models of sweptback, sweptforward, and yawed wings. The tests covered changes in aspect ratio, taper ratio, and tip shape. Some data were ...Subject(s) : COMPLETE , DESIGN , DEVICES , HIGH , LIFT , SWEEP , VARIABLES , WINGS , -
NASA-LLIS-0836
Abstract: Practice:
Engage in refurbishment activities to rebuild and prepare for reuse of the Solid Rocket Boosters (SRB's) after each Space Shuttle Orbiter launch. These refurbishment activities include: (1) ... -
NACA-TR-400
Abstract: Aerodynamic force tests on a slotted Clark Y wing were conducted in a vertical wind tunnel to determine the best position for a given auxiliary airfoil with respect to the main wing. A systematic series of 100 changes in ...Subject(s) : AERODYNAMIC , AIRFOILS , ANGLE , ATTACK , COEFFICIENTS , GEOMETRY , LIFT , LOCATION , POSITION , PREVENTION , SLOTS , STALLING , TESTS , TUNNEL , WIND , WING , WINGS , -
NASA-LLIS-0015
Abstract: Description of Driving Event:
Hydraulic fluid leakage was noted at the interface of the flex hose and Rosan fitting on a hydraulic pump. The fittings were a different size at each end of the flex hose. ...Subject(s) : Facilities , Fire Protection , Ground Operations , Hardware , Industrial Operations , Parts Materials & Processes , Spacecraft , -
NASA-LLIS-0948
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-4405
Abstract: A free-flight investigation was conducted between Mach numbers of 0.75 and 1.35 to determine the effects on model total drag and pressure drag of (a) canopy location (along a parabolic body of revolution), (b) canopy ... -
NASA-CR-1536
Abstract: Effects of surrounding structure on sonic fatigue.Subject(s) : ACOUSTIC MEASUREMENT , FATIGUE TESTS , S-N DIAGRAMS , STRESS ANALYSIS , TRANSONIC FLOW ,

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