NASA - National Aeronautics and Space Administration (NASA): Recent submissions
Now showing items 2181-2200 of 3613
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NASA-LLIS-0447
Abstract: Description of Driving Event:
At the Loral Vought Systems in Dallas, Texas prior logbook test data history was evaluated as part of a normal failure investigation. During this review a trend in data ...Subject(s) : Hardware , Parts Materials & Processes , Safety & Mission Assurance , -
NACA-TR-460
Abstract: An investigation of a large group of related airfoils was made in the NACA variable-density wind tunnel at a large value of the Reynolds number. The tests were made to provide data that may be directly employed for a ... -
NASA-LLIS-0016
Abstract: Description of Driving Event:
When the shuttle orbiter main propulsion system oxygen manifold was pressurized to obtain gas samples, oxygen line to engine No. 3 also pressurized. The prevalves to all ...Subject(s) : Aircraft , Cryogenic Systems , Energetic Materials - Explosive/Propellant/Pyrotechnic , Flight Equipment , Flight Operation , Ground Equipment , Ground Operations , Hardware , Launch Vehicle , Parts Materials & Processes , Pressure Vessels , Spacecraft , -
NASA-STD-5006
Abstract: This standard establishes the processing and quality assurance requirements for manual, automatic, machine, and semiautomatic fusion welding for space flight applications and special test equipment used for testing flight ...Subject(s) : arc welding (AC) , high energy density welding (HEDW) , nondestructive evaluation (NDE) , procedure qualification record (PQR) , resistance welding (RW) , solid state welding (SSW) , welder performance qualification (WPQ) , welder procedure specification (WPS) , -
NASA-LLIS-0949
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 , -
NACA-TR-116
Abstract: The report gives, rather briefly, in part one an introduction to hydrodynamics which is designed to give those who have not yet been actively concerned with this science such a grasp of the theoretical underlying principles ...Subject(s) : AERODYNAMICS , AIRCRAFT , AIRSHIPS , COMPUTATIONAL , CONDITION , DISTRIBUTION , DYNAMICS , FLOW , FLUID , FORCES , HYDRODYNAMICS , INTERFERENCE , JOUKOWSKI , KUTTA , LOADS , PRESSURE , PROPELLERS , THEOREMS , TUNNELS , WALL , WALLS , WIND , WINGS , -
NASA-CR-1677
Abstract: Evaluation of vapor chamber /heat pipe/ radiator for Brayton cycle space power system.Subject(s) : BRAYTON CYCLE , COOLING FINS , HEAT PIPES , HEAT TRANSFER , LIFE (DURABILITY) , NUCLEAR POWER REACTORS , PERFORMANCE TESTS , SPACECRAFT RADIATORS , SYSTEMS ANALYSIS , -
NASA-LLIS-0230
Abstract: Description of Driving Event:
Requirements for the operational era was introduced into the system in early 1985. The foundation for the system, operations and maintenance requirements and specifications ...Subject(s) : Configuration Management , Ground Operations , -
NASA-LLIS-0564
Abstract: Description of Driving Event:
An electrical mishap occurred on January 30, 1997, at the Water Deluge Pumping Substation 202 at the Cryogenic Transfer Area at the Stennis Space Center (SSC). Electrical ... -
NASA-LLIS-1314
Abstract: Description of Driving Event:
The Program cost and responsibilities were split 50/50 between the Government and the Contractor. This arrangement reflected the interest that each party had; the Government ...Subject(s) : Risk Management/Assessment , -
NASA NASA-MEMO-10-3-58 REV A
Abstract: To aid in assessing effects of cross-sectional shape on body aerodynamics, the forces and moments have been measured for bodies with circular, elliptic, square, and triangular cross sections at Mach numbers 1.98 and 3.88. ... -
NASA-LLIS-1263
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 , -
NASA NPD 1000.5 REV A
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 JPL, other contractors, ... -
NASA-LLIS-1386
Abstract: Abstract:
The use of ErgoMasterTM software requires precise photos of operation being analyzed in order to attain accurate results.Subject(s) : Human Factors , -
NACA-TR-793
Abstract: An experimental investigation concerned primarily with the extension of test data on the drag of revolving disks, cylinders, and streamline rods to high Mach numbers and Reynolds numbers is presented.Subject(s) : CYLINDERS , DISKS , DRAG , HIGH REYNOLDS NUMBER , MACH NUMBER , REVOLVING , RODS , -
NASA/SP-2010-576
Abstract: Scope and Depth
This handbook provides guidance for conducting risk-informed decision making in the context of NASA risk management (RM), with a focus on the types of direction-setting key decisions ... -
NASA NPD 9050.1 REV B W/CHG 1-2
Abstract: APPLICABILITY
a. This NPD is applicable to NASA Headquarters and NASA Centers, including Component Facilities, and Technical and Service Supports Centers.
b. In this NPR, all mandatory actions ... -
NASA-CR-61365
Abstract: An analysis was made to determine the effects of Mach number and Reynolds number on the local and total crossflow drag characteristics of ogive-cylinders and ogive-cylinder-frustum-cylinders at angles of the MSFC 14 in TWT ...Subject(s) : AERODYNAMIC , ANGLE , ATTACK , CHARTS , DRAG , FORCES , GRAPHS , MACH , NUMBER , OGIVES , REYNOLDS , -
NACA-RM-L52K19
Abstract: INTRODUCTON
The bulk of available design data for supersonic aircraft and missiles lies. in the speed range up to a Mach number of roughly 2. A considerable increase has recently occurred in contemplated design speeds, ... -
NACA-TN-1947
Abstract: INTRODUCTION
The introduction of a gas or a vapor into an air stream for Purposes of heating or cooling the air stream may be easily accomplished by the use of a high-velocity jet directed perpendicularly to the air ...Subject(s) : AIR , FLOW , JETS , NUMBER , ORIFICES , REYNOLDS ,

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