NASA - National Aeronautics and Space Administration (NASA): Recent submissions
Now showing items 3201-3220 of 3613
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NASA-LLIS-0450
Abstract: Description of Driving Event:
While installing electrical cables into a conduit in the Johnson Space Center Mission Control Room, the conduit was displaced from its mounting, and then contacted and ...Subject(s) : Emergency Preparedness , Facilities , -
NASA-TN-D-7455
Abstract: A maximum likelihood extraction method has been used to extract the lateral static and dynamic aerodynamic parameters of the Kestrel aircraft from flight test data. The aircraft configurations included thrust-jet angles ...Subject(s) : AERODYNAMIC , AIRCRAFT , CHARACTERISTICS , COEFFICIENTS , FLIGHT , LATERAL , PERFORMANCE , STABILITY , STATIC , TAKEOFF , TESTS , VERTICAL , -
NASA-LLIS-0246
Abstract: Description of Driving Event:
In the process of pulling a 30 foot long water pump weighing 3 tons out of a pit, two 3/4 inch eye bolts were screwed into the pump motor base and a cable sling attached ...Subject(s) : Lifting Devices , -
NASA-LLIS-1266
Abstract: Description of Driving Event:
While testing at Mach 0.8 in the 16-ft Transonic Tunnel, a full-scale F-15 inlet model separated from the sting. The model traveled downstream and impacted the catch screen ...Subject(s) : Test Facility , -
NACA-RM-L53A29
Abstract: INTRODUCTION
As part of the study of the low-speed characteristics of wings suitable for supersonic speeds a lateral-control investigation has been made of an unswept, modified double wedge wing of aspect ratio 4.0 in ... -
NASA NPD 6000.1 REV C
Abstract: APPLICABILITY
This policy is applicable to NASA Headquarters and NASA Centers, including Component Facilities. -
NASA-LLIS-3276
Abstract: Abstract:
Reinforced carbon-carbon (RCC) is a material that can withstand the high temperatures of reentry and can be used in areas where greater durability is desired. When RCC is exposed to high ...Subject(s) : Engineering Design (Phase C/D) , Engineering Design (Phase C/D).Entry Systems , Mission Operations and Ground Support Systems , Mission Operations and Ground Support Systems.Ground processing and manifesting , -
NASA-LLIS-4878
Abstract: The Constellation Program (CxP) Supportability Plan for Level II was developed in parallel with the Ground Operations Project (GOP) Integrated Logistics Support Plan (ILSP) for Level III. A lack of collaboration led to ... -
NASA-LLIS-0312
Abstract: Abstract:
Minor damage to the Shuttle was caused when the firing of the primary explosive cord to deploy the payload from the cargo bay also triggered the backup cord. End-to-end system tests had ...Subject(s) : Configuration Management , Hazardous/Toxic Waste/Materials , Test & Verification , -
NASA-TP-2047
Abstract: Surface fatigue tests were conducted on two groups of AISI 9310 spur gears. Both groups were manufactured with standard ground tooth surfaces, with the second group subjected to an additional shot peening process on the ...Subject(s) : COMPRESSION LOADS , FATIGUE LIFE , FATIGUE TESTS , GEAR TEETH , LUBRICANTS , PITTING , RESIDUAL STRESS , SHOT PEENING , -
NASA-LLIS-1876
Abstract: Abstract:
KSC accepted fiber that was sub par because we did not have a process to properly inspect and verify the quality of work from the manufacturer. The ISS engineers established an inspection ... -
NASA-LLIS-1043
Abstract: Description of Driving Event:
A contractor employee was working on an energized electrical sub-panel.(480v) While removing cover from above the busses the employee dropped the cover shorting out the ...Subject(s) : Facilities. , -
NASA-LLIS-0113
Abstract: Description of Driving Event:
The SSME vertical installer is used to position the engine for installation and removal. Failure of this equipment to maintain positive control could lead to unexpected ...Subject(s) : Ground Equipment , Ground Operations , Hardware , Lifting Devices , Policy & Planning , -
NASA NPD 9050.3 REV F W/CHG 1
Abstract: APPLICABILITY
This directive is applicable to NASA Headquarters and NASA Centers, including Component Facilities. -
NASA-LLIS-0612
Abstract: Abstract:
ghteen days after launch of Deep Space 1, a spurious signal issued by the power distribution logic re-powered the primary heaters on the wax thermal actuators that had been used to release ...Subject(s) : Electrical Short , HOP Actuator , Parts Materials & Processes , Pyro , Wax Actuator , -
NASA-LLIS-1552
Abstract: Abstract:
The AATT Project was directed, at the Non-Advocate Review (NAR), to not maintain a reserve, which significantly hampered the project»s ability to mitigate risk and address unforeseen ...Subject(s) : Policy & Planning , Program and Project Management , Risk Management/Assessment , -
NASA-LLIS-1476
Abstract: Abstract:
A combination of factors, including lack of time by investigators to search through "Investigation Organizer" links on a personal computer and the tool's lack of a logic tree report capability ...Subject(s) : Accident Investigation , Computers , Information Technology/Systems , NASA Standards , Policy & Planning , Research & Development , Safety & Mission Assurance , -
NASA-LLIS-1141
Abstract: Description of Driving Event:
Crew Return Vehicle (CRV) Schedule Requirement for ISS Crew Greater Than 3Subject(s) : Aerospace Safety Advisory Panel , Financial Management , Policy & Planning , Research & Development , Spacecraft , -
NACA-RM-E51L26
Abstract: A survey of experimental data at supersonic speed indicated that shock-induced separation of a turbulent boundary layer will result for Mach numbers of approximately 1.33 or greater when a theoretical stream static-pressure-rise ...Subject(s) : AERODYNAMICS , BOUNDARY , CONTROL , DIFFUSERS , FLOW , INTERNAL , LAYER , SUPERSONIC , TURBULENT , -
NASA-LLIS-3297
Abstract: Abstract:
Pneumatic regulation panels are currently subject to extremes of both weather and launch conditions (spray, temperature extremes, and humidity). To eliminate the temperature-induced pressure ...Subject(s) : Engineering design and project processes and standards , Ground Equipment , Ground support systems , Maintenance , Simulators and Training Systems ,

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