NASA - National Aeronautics and Space Administration (NASA): Recent submissions
Now showing items 1121-1140 of 3613
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NASA-LLIS-0862
Abstract: Description of Driving Event:
Test personnel from the 3.5-foot Hypersonic Wind Tunnel facility, supported by personnel from the project phase 3 contractor, were conducting blowdown tests as a part of ...Subject(s) : Aircraft , Ground Equipment , Test Facility , -
NASA-LLIS-5479
Abstract: Metal bellows flex hoses are very susceptible to reverse bending low cycle fatigue which results in leakage via a through crack in the bellows.Subject(s) : 0.Environmental Control and Life Support Systems , 1.Aircraft , 1.Computer-Aided Design/Manufacturing/Engineering , 1.Cryogenic Systems , 1.Early requirements and standards definition , 1.Facilities , 1.Ground Equipment , 1.Ground Operations , 1.Ground processing and manifesting , 1.Ground support systems , 1.Hardware , 1.Human factors planning , 1.Industrial Operations , 1.Launch support systems , 1.Launch Vehicle , 1.Logistics , 1.Logistics and maintenance , 1.Lunar Operations , 1.Maintenance , 1.Packaging , Handling , Storage , 1.Parts , Materials , & Processes , 1.Planetary entry and landing concepts , 1.Pressure Vessels , 1.Quality , 1.Reliability , 1.Risk Management/Assessment , 1.Safety & Mission Assurance , 1.Spacecraft , 1.Test & Verification , -
NASA-LLIS-0388
Abstract: Abstract:
When large strips of conformal coating were removed from Galileo CDS boards, the process caused the coating to expand and stress the solder joints. The recommendations provide cautions on ...Subject(s) : Parts Materials & Processes , Repair , -
NASA-LLIS-0192
Abstract: Description of Driving Event:
Photoanalysis of the STS-28 (OV-102, Columbia) flight showed larger body flap deflections than were calculated. The flaps are in a turbulent flow field, which creates a ...Subject(s) : Flight Equipment , Launch Vehicle , Test & Verification , -
NACA-TN-659
Abstract: A large-chord NACA 23012 airfoil was tested. The airfoil extended completely across the test section, and two-dimensional flow was approximated. The model was fitted with a full-span slotted flap having a chord 25.66 percent ... -
NASA-LLIS-1212
Abstract: Description of Driving Event:
During functional test of the Qualification Model of the Mobile Transporter (MT) Linear Drive Unit (LDU), mounted on the Functional Test Fixture (FTF) a power surge followed ...Subject(s) : Computer-Aided Design/Manufacturing/Engineering , Configuration Management , Flight Equipment , Flight Operations , Ground Equipment , Ground Operations , Hardware , Independent Verification and Validation , Parts Materials & Processes , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance , Test & Verification , Test Article , Test Facility , -
NASA-LLIS-0847
Abstract: Practice:
Use ultrasound as a technique for detection of air/fluid leaks, electrical shorts and bearing wear in Ground Support Equipment (GSE). Ultrasound is a technique of listening for audible ... -
NACA-TR-479
Abstract: In this report a theoretical solution is developed for the torsion on a round thin-walled tube for which the walls become unstable. The results of this theory are given by a few simple formulas and curves which cover all ...Subject(s) : BUCKLING , CIRCULAR TUBES , COMPARISON , CRITICAL LOADING , CURVES , DEFLECTION , DIFFERENTIAL EQUATIONS , EQUILIBRIUM EQUATIONS , EXPERIMENTATION , FAILURE , FORMULAS , PIPES (TUBES) , TEST EQUIPMENT , THEORIES , THIN WALLS , TORSIONAL , -
NASA-LLIS-0048
Abstract: Description of Driving Event:
The Firex system components at the VPF are missing numerous identification/find number tags. These are used to identify components in procedures and work authorization ...Subject(s) : Configuration Management , Facilities , Fire Protection , Ground Equipment , Ground Operations , Hardware , Industrial Operations , -
NASA-LLIS-0985
Abstract: Description of Driving Event:
During Space Station hardware testing at Kennedy Space Center, a technician was in the process of connecting a current probe banana type plug test lead into a breakout box ...Subject(s) : Facilities , Ground Equipment , Ground Operations , Industrial Operations , Logistics , Payloads , Research & Development , Safety & Mission Assurance , Test & Verification , Test Article , Test Facility , -
NASA-STD-2804 REV FY2014
Abstract: Purpose
This Standard defines the baseline software suite necessary to support interoperability both between NASA end user computers and within the NASA operating environment. The Standard establishes ... -
NASA-LLIS-0594
Abstract: Description of Driving Event:
The SEPICA instrument, one of 9 instruments flown on the ACE Mission, uses isobutane gas as part of its particle detection scheme. Three proportional counters, one associated ...Subject(s) : Hardware , Procurement Small Business & Industrial Relations , Risk Management/Assessment , Test & Verification , -
NASA-LLIS-1437
Abstract: Abstract:
NASA needs to understand that a human space flight accident field recovery operation will involve many organizations at various levels of Government.Subject(s) : Accident Investigation , Administration/Organization , NASA Standards , Policy & Planning , Safety & Mission Assurance , -
NASA-LLIS-0875
Abstract: Description of Driving Event:
On May 16, 1994, an AMDAHL 5995M mainframe computer overheated at approximately 8:20 AM in the Software Production Facility (SPF) in Building 30 at JSC. Physical damage ...Subject(s) : Administration/Organization , Communication Systems , Computers , Configuration Management , Emergency Preparedness , Energy , Environment , Facilities , Ground Equipment , Ground Operations , Hardware , Industrial Operations , Information Technology/Systems , Occupational Health , Policy & Planning , Risk Management/Assessment , Safety & Mission Assurance , Security , Test & Verification , Test Article , Test Facility , Training Equipment , -
NACA-TN-1977
Abstract: INTRODUCTION
The linearized theory for supersonic flow has been used by various investigators to develop expressions for the stability derivatives. The information is scattered, however, through a number of reports, ...Subject(s) : CHARACTERISTICS , DAMPING , DELTA , EDGES , LATERAL , LEADING , RECTANGULAR , ROLL , STABILITY , SWEPTBACK , TAPERED , WINGS , -
NASA-TM-X-2163
Abstract: Transonic and supersonic dynamic stability characteristics of variable sweep wing tactical fighter aircraftSubject(s) : AIRCRAFT , ANGLE , ATTACK , DYNAMIC , FIGHTER , FLOW , MACH , MODELS , NUMBER , STABILITY , SUPERSONIC , SWEEP , TESTS , TRANSONIC , TUNNEL , VARIABLE , WIND , WINGS , -
NASA-LLIS-0168
Abstract: Description of Driving Event:
A three inch diameter stainless steel manifold containing hydrogen (0.27 lbs) and air (0.26 lbs) at 350 psia ruptured during experimental operation. The hardware was ...Subject(s) : Energetic Materials - Explosive/Propellant/Pyrotechnic , Test & Verification , -
NACA-TM-948
Abstract: The approximation method described makes possible lift-distribution computations in a few minutes. Comparison with an exact method shows satisfactory agreement. The method is of greater applicability than the exact method ... -
NASA-LLIS-1011
Abstract: Description of Driving Event:
Transition to USA Management of Logistics Functions Under Phase 1 of the SFOC Contract.Subject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Ground Operations , Logistics , -
NASA-LLIS-0810
Abstract: Practice:
As a minimum, run eight thermal cycles over the approximate temperature range for hardware that cycles in flight over ranges greater than 20oC. The last three thermal cycles should ...

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