NASA - National Aeronautics and Space Administration (NASA): Recent submissions
Now showing items 261-280 of 3613
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NASA-LLIS-0848
Abstract: Practice:
Enhance the Ground Support Equipment (GSE) and Facility Equipment Maintenance Program by adoption of a maintenance practice that provides maintenance and test criteria for electrical circuit ... -
NASA-LLIS-0050
Abstract: Description of Driving Event:
Premature shutdown of the main and vernier engines occurred as a result of an electrical malfunction in the vehicle's power bus, specifically a short circuit to ground. A ...Subject(s) : Configuration Management , Flight Equipment , Flight Operations , Hardware , Launch Process , Launch Vehicle , Parts Materials & Processes , -
NACA-TR-737
Abstract: The solution of Von Karman's fundamental equations for large deflections of plates is presented for the case of a simply supported rectangular plate under combined edge compression and lateral loading. Numerical solutions ...Subject(s) : ANALYSIS (MATHEMATICS) , BENDING , COMPRESSION LOADS , CRITICAL LOADING , DEFLECTION , DEFORMATION , EDGE LOADING , EQUATIONS , FLAT PLATES , RECTANGULAR PLATES , THIN PLATES , VON KARMAN EQUATION , WIDTH , -
NASA-LLIS-0987
Abstract: Description of Driving Event:
Marshall Space Flight Center (MSFC) was responsible for the development of the Chandra X-ray Observatory, successfully launched in July, 1999. Chandra is the third of ...Subject(s) : Administration/Organization , Flight Operations , Ground Operations , Logistics , Policy & Planning , Research & Development , Risk Management/Assessment , -
NASA-LLIS-1233
Abstract: Description of Driving Event:
Apollo-era ground infrastructure for the Space Shuttle Program requires revitalization.Subject(s) : Aerospace Safety Advisory Panel , Facilities , Financial Management , Logistics , Policy & Planning , -
NASA-LLIS-0597
Abstract: Description of Driving Event:
During the critical initial on orbit operations and checkout phase, ground station personnel did not monitor the Lewis spacecraft continuously for anomalies. This was ...Subject(s) : Administration/Organization , Ground Operations , Policy & Planning , -
NASA-LLIS-1469
Abstract: Abstract:
Late establishment of an independent database server for use by the Accident Investigation Board prevented maximum utilization of the data storage and searching features by board members and ...Subject(s) : Accident Investigation , Administration/Organization , NASA Standards , Policy & Planning , Safety & Mission Assurance , -
NASA-LLIS-0877
Abstract: Description of Driving Event:
On May 28, 1993, a NASA astronaut suffered frostbite on eight fingers during manned thermal-vacuum (MTV) testing in Chamber B, Building 32, at JSC. This test was the second ...Subject(s) : Configuration Management , Emergency Preparedness , Flight Operations , Ground Operations , Industrial Operations , Payloads , Personal Protective Equipment , Policy & Planning , Range Operations , Research & Development , Risk Management/Assessment , Safety & Mission Assurance , Spacecraft , Test & Verification , Test Article , Test Facility , -
NACA-RM-L9F10
Abstract: INTRODUCTION
It has been indicated from recent research on wing plan forms suitable for moderate supersonic flight that the 1aw-speed longitudinal stability problems of the triangular plan-form wing appear to be less ... -
NACA-TN-2080
Abstract: INTRODUCTION
The National Advisory Committee for Aeronautics is conducting an extensive investigation of the lift and control effectiveness of various flaps and control surfaces on wings having plan forms suitable for ...Subject(s) : AIRFOILS , ASPECT , CHARACTERISTICS , DRAG , FLAPS , HINGE , LOW , MOMENTS , MPH , NACA , PITCHING , POSITION , RATIO , SMALL , TESTS , TUNNEL , WIND , WING , WINGS , -
NASA NPD 1050.1 REV I
Abstract: APPLICABILITY
This NPD applies to NASA Headquarters and NASA Centers, including Component Facilities. -
NASA-TM-X-2313
Abstract: Wind tunnel tests of propellor driven, deflected slipstream, short takeoff aircraft model to determine longitudinal and lateral-directional stability when in ground effectSubject(s) : AERODYNAMIC , AERODYNAMICS , AIRCRAFT , CHARACTERISTICS , EFFECT , GROUND , MODELS , SHORT , STABILITY , TAKEOFF , TESTS , TUNNEL , WIND , -
NASA NPR 3713.3 W/CHG 1
Abstract: Purpose
a. This NPR establishes Agency-wide procedural requirements under which NASA employees and contractors shall report allegations of harassing conduct and sets forth the managers' and supervisors' ... -
NACA-TM-0999
Abstract: The stresses in circular frames of constant bending stiffnesses, as encountered in thin-wall shells, are investigated from the point of view of finite depth of sectional area of frame. The solution is carried out for four ... -
NASA-LLIS-1014
Abstract: Description of Driving Event:
Lack of Schedule Slack in ISS Program Causing Potential Decrease in Prelaunch Ground Testing.Subject(s) : Aerospace Safety Advisory Panel , Ground Operations , Policy & Planning , Risk Management/Assessment , Test & Verification , -
NASA-LLIS-5004
Abstract: A hazard was created when the forward dome of the liquid hydrogen (LH2) tank of the Ares I Upper Stage was pressurized to 5 psi to support the weight of the people who needed to work on it during ground processing. -
NASA-LLIS-0812
Abstract: Practice:
Leak testing is a nondestructive test method that provides the capability to detect and measure the amount of liquid or gas escaping from a sealed pressure system and to locate the individual ... -
NACA-TR-496
Abstract: The aerodynamic forces on an oscillating airfoil or airfoil-aileron combination of three independent degrees of freedom have been determined. The problem resolves itself into the solution of certain definite integrals, ...Subject(s) : AERODYNAMIC , AILERONS , AIRFOILS , ANALYSIS , BESSEL , CONDITION , CONFIGURATIONS , DIFFERENTIAL , EQUATIONS , FLUTTER , FORCES , FUNCTIONS , JOUKOWSKI , KUTTA , MATHEMATICS , MOTION , OSCILLATIONS , STABILITY , THEORIES , WING , -
NASA-LLIS-0021
Abstract: Description of Driving Event:
During various shuttle orbiter missions, several anomalies occurred which were subsequently attributed to particle contamination within limit switches. In three such ...Subject(s) : Flight Equipment , Flight Operations , Hardware , Launch Vehicle , Parts Materials & Processes , Spacecraft , Test & Verification , Test Article , -
NASA-LLIS-0954
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 ,