NASA - National Aeronautics and Space Administration (NASA): Recent submissions
Now showing items 1601-1620 of 3613
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NASA-LLIS-0897
Abstract: Description of Driving Event:
Changes to an approved LV/SC ICD are submitted via an Interface Revision Notice (IRN) document. The existing formal approval process requires the signatures of NASA-GSFC ...Subject(s) : Configuration Management , Launch Vehicle , Spacecraft , -
NACA-TR-733
Abstract: A chart is presented for the values of the coefficient in the formula for the critical compressive stress at which buckling may be expected to occur in flat rectangular plates supported along all edges and, in addition, ...Subject(s) : ALLOYS , ALUMINUM , ANALYSIS , BUCKLING , COEFFICIENTS , COMPRESSION , CONSTRAINTS , CRITICAL , DIFFERENTIAL , EDGE , EDGES , ELASTIC , EQUATIONS , FLANGES , FLAT , FORMULAS , LOADING , LOADS , MATHEMATICS , PLATES , PROPERTIES , RECTANGULAR , SUPPORTS , -
NACA-TN-3529
Abstract: An investigation of the effects of plan-form taper on the aerodynamic characteristics of a series of wings having various tapers, aspect ratios, and thicknesses was conducted in the Ames 16-foot high-speed wind tunnel, ... -
NASA-LLIS-2037
Abstract: Pulse width modulator circuit card assemblies (PWM CCAs), valued at $150,000 each were inadvertently excessed to the KSC excess property storage area. The PWM CCAs were attached to holding fixtures, and were subsequently ... -
NASA-LLIS-4880
Abstract: During the Constellation program, each project procured material to support vehicle integration/maintenance tasks separately. Each project was a different contract. Since the Federal Acquisition Regulation (FAR) does not ... -
NASA-LLIS-2556
Abstract: Space Shuttle processing operations were significantly more complicated and costly than planned in the original concept of operations because operational requirements were not defined sufficiently during the program's ...Subject(s) : Engineering design and project processes and standards , Ground support systems , Long-term sustainability and maintenance planning , Mission and systems trade studies , Systems analysis – cost analysis , -
NACA-ARR-3E25
Abstract: INTRODUCTION
At the request of the Army Air Forces, Material Command, measurements were made of the pressures on the tail surfaces of the Republic Aviation Corporation P-47B airplane in the NACA full-scale tunnel. The ... -
NASA-LLIS-0515
Abstract: Description of Driving Event:
High-temperature strain gage development in GWP Number 29 at NASA Langley was the topic of a paper presented at the annual NASP Technology Review Conference in Monterey, ...Subject(s) : Research & Development , -
NASA-LLIS-1345
Abstract: Description of Driving Event:
The Project underwent several significant transitions including going from a proposal team to an implementation/project team; Principal Investigator (PI)lead academic or ...Subject(s) : Administration/Organization , Air-Traffic Management , Configuration Management , -
NASA NPR 1600.3 W/CHG 2
Abstract: Purpose
a. This NASA Procedural Requirement (NPR) establishes the Agency-wide personnel security program implementation requirements set forth in NASA Policy Directive (NPD) 1600.2E, NASA Security ... -
NACA-TN-2001
Abstract: The experimental investigation of damping screens described screens described herein was undertaken primarily to test theories of the effects of damping screens and to obtain information on the performance of screens in ... -
NASA-LLIS-4584
Abstract: In the Constellation Program (CxP), the consideration for utilizing a Configuration Status Accounting (CSA) tool was not taken into account during the early parts of the program development cycle. This resulted in Projects ... -
NASA-LLIS-0907
Abstract: Description of Driving Event:
The POES Program made a decision to embellish an instrument by incorporating a new scanner design. This new design was to replace a weak motor with a stronger one that ...Subject(s) : Configuration Management , Flight Equipment , Parts Materials & Processes , Risk Management/Assessment , -
NASA-LLIS-3262
Abstract: Abstract:
In November 2009, United Space Alliance published the "Constellation Launch Control System Operations Assessment Trade Study." This trade study highlighted many current and historical risks ...Subject(s) : Additional Categories. , Additional Categories.Hardware , Additional Categories.Human Factors , data management , Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Launch Systems , maintenance , Mission Operations and Ground Support Systems. , Mission Operations and Ground Support Systems.Ground support systems , Mission Operations and Ground Support Systems.Launch support systems , Mission Operations and Ground Support Systems.Logistics and , Mission Operations and Ground Support Systems.Training and simulation , Missions and Systems Requirements Definition. , Missions and Systems Requirements Definition.Configuration control and , Program Management. , Program Management.Configuration and data management , requirements and designs , Safety and Mission Assurance. , Safety and Mission Assurance.Impact of human factors on systems , Safety and Mission Assurance.Maintenance , Safety and Mission Assurance.Reliability , systems , Systems Engineering and Analysis. , Systems Engineering and Analysis.Human factors planning , Systems Engineering and Analysis.Mission and systems trade studies , -
NASA-LLIS-1140
Abstract: Description of Driving Event:
Workforce Attrition Driving the Use of Less Experienced PersonnelSubject(s) : Administration/Organization , Aerospace Safety Advisory Panel , Human Resources & Education , Policy & Planning , -
NASA-LLIS-0733
Abstract: Practice:
A formal procedure is followed in the reporting and documentation of problems/failures occurring during test, pre-launch operations, and launch operations for both hardware and software. A ... -
NACA-TR-589
Abstract: The aerodynamic and mass factors governing lateral stability are discussed and formulas are given for their estimation. Relatively simple relationships between the governing factors and the resulting stability characteristics ... -
NASA-LLIS-1835
Abstract: Abstract:
A July 2007 workshop attended by the former Grumman Corporation's Apollo Lunar Module Reliability and Maintainability (R&M) Team and Constellation Program personnel traced the success of the ...Subject(s) : Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Crew Survival Systems , Engineering Design (Phase C/D).Environmental Control and Life Support Systems , Engineering Design (Phase C/D).Human Health/Flight Medicine , Engineering Design (Phase C/D).Lander Systems , Engineering Design (Phase C/D).Power , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Mission Operations and Ground Support Systems. , Mission Operations and Ground Support Systems.Ground support systems , Mission Operations and Ground Support Systems.Lunar Operations , Mission Operations and Ground Support Systems.Mission control Planning , Missions and Systems Requirements Definition. , Missions and Systems Requirements Definition.Level 0/1 Requirements , Missions and Systems Requirements Definition.Mission concepts and life-cycle planning , Missions and Systems Requirements Definition.Vehicle concepts , Program Management. , Program Management.Contractor relationships , Program Management.Cross Agency coordination , Safety and Mission Assurance. , Safety and Mission Assurance.Early requirements and standards definition , Safety and Mission Assurance.Reliability , -
NACA-TR-1284
Abstract: The relation of Whitcomb's "area rule" to the linear formulas for wave drag at lightly supersonic speeds is discussed. By adopting an approximate relation between the source strength and the geometry of a wing-body ...Subject(s) : AIRCRAFT , BODY , COMPARISON , CONFIGURATIONS , DRAG , ELLIPTICITY , EQUATIONS , EXPERIMENTATION , FORMULAS , FUSELAGES , LINEAR , MATHEMATICAL , MODELS , REDUCTION , SHAPES , SPEED , SUPERSONIC , THEORIES , WAVE , WING , WINGS , -
NASA-TN-D-2042
Abstract: Afterbody geometry and sting diameter effect on aerodynamics of slender bodies at supersonic speedSubject(s) : AERODYNAMIC , AERODYNAMICS , AFTERBODIES , AFTERBODY , BOATS , BODIES , BODY , CHARACTERISTICS , MACH , MOUNTING , NUMBER , SLENDER , SPEED , SUPERSONIC ,

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