NASA - National Aeronautics and Space Administration (NASA): Recent submissions
Now showing items 901-920 of 3613
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NASA-LLIS-0746
Abstract: Description of Driving Event:
During Mod & Rehab projects, typically people are moved out of the offices. This brings about two situations. First , extra workload on the Project Manager to coordinate ...Subject(s) : Administration/Organization , Environment , Facilities , Human Resources & Education , Logistics , -
NACA-TR-638
Abstract: Distributed lateral motions have been calculated for a hypothetical small airplane with various modifications of fin area and dihedral setting. Special combinations of disturbing factors to simulate gusts are considered ... -
NASA-LLIS-1856
Abstract: Abstract:
The challenges of coordinating highly technical work within teams and between teams are often magnified by cultural and language differences. According to the Senior Chief Engineer of JAXA, ...Subject(s) : Additional Categories.External Relations , Additional Categories.Policy & Planning , Additional Categories.Procurement , Small Business & Industrial Relations , Program Management.Affect of Cultural factors on long-term human and robotic missions , Program Management.International partner coordination , Program Management.Risk management , -
NACA-ACR-L5G31
Abstract: INTRODUCTION
Several high-speed military airplanes in dives have encountered difficulties that could not be easily controlled by normal means. These difficulties, which may consists of diving moments, large changes ... -
NASA-TN-D-3159
Abstract: Aerodynamic damping and oscillatory stability in pitch for model of typical swept wing subsonic jet transportSubject(s) : AERODYNAMIC , AIRCRAFT , CONTROL , DAMPING , FLOW , GAS , JET , JETS , LONGITUDINAL , MACH , NUMBER , OSCILLATIONS , PITCH , REYNOLDS , STABILITY , SUBSONIC , SWEPT , TRANSPORT , WING , WINGS , -
NACA-TN-3314
Abstract: A free-flight test technique with which the damping in roll of sting-mounted wings and wing-fuselage combinations can be obtained over the high subsonic, transonic, and supersonic speed range with rocket-propelled test ... -
NASA-CR-172384
Abstract: An analytical model developed to predict the interior noise of propeller driven aircraft was applied to experimental configurations for a Fairchild Swearingen Metro II fuselage exposed to simulated propeller excitation. ...Subject(s) : AIRCRAFT NOISE , BOUNDARY LAYERS , CYLINDRICAL BODIES , EXCITATION , MATHEMATICAL MODELS , NOISE PREDICTION , NOISE REDUCTION , PERFORMANCE TESTS , PROPELLER BLADES , STIFFNESS , TRANSFER FUNCTIONS , TRANSMISSION LOSS , -
NASA-LLIS-0540
Abstract: Description of Driving Event:
On MIDAS, the hermetic connectors purchased were not specified on the LaRC PR to be shipped with the inserts installed, and thus the inserts had to be installed by project ...Subject(s) : Hardware , Parts Materials & Processes , Procurement Small Business & Industrial Relations , -
NASA-LLIS-0276
Abstract: Abstract:
Contractor proposals for digital processors were rejected for cost reasons in favor of upgrading a unit under development by JPL. However, the use of R&D equipment resulted in unacceptable ...Subject(s) : Ground Equipment , Hardware , Risk Management/Assessment , Safety & Mission Assurance , -
NASA-LLIS-1323
Abstract: Description of Driving Event:
The KSC provided Rack Insertion Device (RID) weight and CG end effector interferred with the MicroGravity Science Glovebox (MSG) payload rack umbilical launch restraint. ...Subject(s) : Flight Equipment , Ground Equipment , Ground Operations , Hardware , Human Factors , -
NACA-RM-L8I08
Abstract: Contains low-speed longitudinal stability characteristics of a 52 degree sweptback wing of aspect ratio 2.88, taper ratio 0.625, and NACA 64 (sub 1)-112 airfoil sections normal to the 0.282-chord line, in combination with ...Subject(s) : AIRPLANES , COMBINATIONS , COMPLETE , FLAPS , FUSELAGE , LONGITUDINAL , STABILITY , STATIC , SWEEP , TAIL , WING , WINGS , -
NACA-TM-737
Abstract: This investigation treats the conversion of energy in conically divergent channels with constant opening ratio and half included angle of from 2.6 to 90 degrees, the velocity distribution in the entrance section being ... -
NASA-LLIS-0350
Abstract: Abstract:
After Galileo completed its second Earth flyby, communication signal levels received on Earth decreased and fluctuated unexpectedly. The cause was determined to be interference that was not ...Subject(s) : Communication Systems , Configuration Management , RF Performance Verification , Test & Verification , -
NASA-LLIS-0148
Abstract: Description of Driving Event:
Leakage of small quantities of toxic propellants, monomethyl hydrazine (MMH) and nitrogen tetroxide (N2O4) from one or more reaction control system (RCS) thrusters could ...Subject(s) : Flight Equipment , Ground Operations , Hazardous/Toxic Waste/Materials , -
NASA NPD 1382.17 REV H
Abstract: This NASA Policy Directive applies to NASA Headquarters and NASA Centers, including component facilities, and to contractors or other entities that create and/or maintain privacy information for, or on behalf of, NASA as ... -
NASA-LLIS-1094
Abstract: Description of Driving Event:
The Project had several Government partners and each had a their own rules of engagement with regard to agreements and sharing of responsibilities. While some of these ...Subject(s) : Administration/Organization , External Relations , Human Factors , Policy & Planning , Risk Management/Assessment , -
NASA-LLIS-5013
Abstract: Ground support equipment (GSE) for deservicing should be mobile/portable to allow use anywhere worldwide following the contingency retrieval of a crew module (CM).Subject(s) : Additional Categories.Ground Operations , Ground Processing Activities , Ground support systems , Logistics , -
NASA NPD 1020.2 REV J
Abstract: Applicability
This NPD is applicable to NASA Headquarters and NASA Centers, including Component Facilities, and Technical and Service Support Centers. This language applies to the Jet Propulsion ... -
NASA-LLIS-0738
Abstract: Practice:
A closed-loop Problem (or Failure) Reporting and Corrective Action System (PRACAS or FRACAS) is implemented to obtain feedback about the operation of ground support equipment used for the ... -
NACA-RM-A50K20
Abstract: INTRODUCTION
A research program is in progress at the Ames Aeronautical Laboratory to ascertain experimentally at subsonic and supersonic Mach numbers the characteristics of wings of interest in the deem of high-speed ...

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