NASA - National Aeronautics and Space Administration (NASA): Recent submissions
Now showing items 2121-2140 of 3613
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NASA NPR 9200.1 W/CHG 1
Abstract: PURPOSE
This NASA Procedural Requirements (NPR) provides the general overview for accounting requirements.
APPLICABILITY
This NPR is applicable to NASA Headquarters and NASA ... -
NACA-RM-L7I30
Abstract: INTRODUCTION
Supersonic air-flow theory indicates the practicability of using wings with large angels of sweep and sharp-edge airfoil sections for flight at speeds above the speed of sound. in the low-speed range close ... -
NASA-LLIS-0682
Abstract: Practice:
Composites must be considered as unique materials in the design and manufacturing process because manufacturing equipment, tooling, and inspection equipment and processes have a pronounced ... -
NASA-LLIS-0436
Abstract: Abstract:
A Voyager telemetry failure was attributed to over-length screws that caused conductive end-caps to contact areas not sufficiently coated by conformal coating. The lesson provides recommendations ...Subject(s) : Captive Inserts , Conformal Coatings , Hardware , Mission Operations , Parts Materials & Processes , Surveillance , -
NASA-LLIS-0236
Abstract: Description of Driving Event:
An employee was loading a wheeled welding cart onto a truck equipped with a hydraulic lift gate when the welding unit fell from the lift gate.
The employee, working ...Subject(s) : Lifting Devices , Transportation , -
NASA-TN-D-6777
Abstract: Flight-determined longitudinal and lateral-directional stability and control derivatives are presented for the CV-990 airplane for various combinations of Mach number, altitude, and flap setting throughout the flight ...Subject(s) : AERODYNAMIC , AIRCRAFT , CHARACTERISTICS , CONFIGURATIONS , DERIVATIVES , ENVELOPES , FLIGHT , PERFORMANCE , SPEED , STABILITY , SUBSONIC , TESTS , -
NACA-TN-1277
Abstract: INTRODUCTION
The problem of obtaining adequate maximum lift coefficient on highly swept wing for high-speed aircraft has brought to lift a need for a more thorough investigation of auxiliary high-lift devices, such as ...Subject(s) : AIRFOILS , CARRIED , CHAR , CHARACTERISTICS , DEVICES , DRAG , EDGE , EFFECT , FLAPS , HIGH , LAL , LEADING , LIFT , LOW , MOMENTS , NACA , ORDINATES , PRESSURE , ROUGHNESS , SPLIT , SURFACE , TESTS , TUNNEL , TURBULENCE , WIND , WING , WINGS , WORK , -
NASA-LLIS-1253
Abstract: Description of Driving Event:
During a cross-range flight test mission of the Global Hawk (UAV) from Edwards AFB, CA through the adjacent range operated by NAWC-WD, China Lake, CA, the nominal vehicle ...Subject(s) : Aircraft , Flight Operations , Range Operations , -
NACA-RM-L52A23
Abstract: INTRODUCTION
The lack of information on the aerodynamic balancing of controls in the transonic-speed range has led to the installation of powerful boosts in the control systems of airplanes to enable the performance ... -
NASA MWI 8715.12 REV B
Abstract: PURPOSE
This Marshall Work Instruction (MWI) is intended to provide a documented process and identify how each Marshall Space Flight Center (MSFC) organization plays a vital role in providing a safe ... -
NASA-TN-D-7575
Abstract: The performance of a short highly asymmetric annular diffuser equipped with wall bleed (suction) capability was evaluated at nominal inlet Mach numbers of 0.188, 0.264, and 0.324 with the inlet pressure and temperature at ...Subject(s) : ANNULAR FLOW , COMBUSTION CHAMBERS , FLOW CHARACTERISTICS , FLOW DISTORTION , GAS TURBINES , INLET FLOW , INLET PRESSURE , PERFORMANCE TESTS , PRESSURE DISTRIBUTION , -
NASA-LLIS-1069
Abstract: Description of Driving Event:
Safety Mishap on the KC-135. An experiment rig that is flown on the KC-135 utilized a quickrelease V-band to seal a pressurized chamber. The chamber was used to conduct ...Subject(s) : Facilities , Hardware , Hazardous/Toxic Waste/Materials , Pressure Vessels , Risk Management/Assessment , Safety & Mission Assurance , Test Article , Test Facility , -
NASA-LLIS-1733
Abstract: Abstract:
The Genesis sample return mishap was attributed to a design error in which the gravity switches that activate the parachute deployment sequence were phased (oriented) incorrectly so that their ...Subject(s) : Additional Categories. , Additional Categories.Accident Investigation , Additional Categories.Aerospace Safety Advisory Panel , Additional Categories.Flight Equipment , Additional Categories.Flight Operations , Additional Categories.Ground Operations , Additional Categories.Hardware , Additional Categories.Mishap Reporting , Additional Categories.Payloads , Additional Categories.Spacecraft , Engineering Design (Phase C/D). , Engineering Design (Phase C/D).Spacecraft and Spacecraft Instruments , Mission Operations and Ground Support Systems. , Mission Operations and Ground Support Systems.Mission control Planning , Program Management. , Program Management.Contractor relationships , Safety and Mission Assurance. , Safety and Mission Assurance.Product Assurance , Safety and Mission Assurance.Review systems and boards , Systems Engineering and Analysis. , Systems Engineering and Analysis.Engineering design and project processes and standards , Systems Engineering and Analysis.Planning of requirements verification processes , -
NASA-LLIS-1526
Abstract: Abstract:
The X-43C Project developed an internal cost effort using X-43A actual cost data and heritage United States Air Force (USAF) engine cost data. Two independent cost estimates were performed ...Subject(s) : Administration/Organization , NASA Standards , Policy & Planning , Program and Project Management , Research & Development , -
NASA NPR 3451.1 REV B
Abstract: Purpose
NASA is committed and strives to improve the effectiveness and efficiency of Government operations by recognizing and rewarding its employees for results-based performance and others who, through ... -
NASA-LLIS-5376
Abstract: During the transition from the Apollo Program to the Shuttle Program, there was no clear review of what was learned from the Apollo Program and how it could assist the efforts in the Shuttle Program concerning human factors ... -
NASA-LLIS-0656
Abstract: Practice:
A Hardware Review/Certification Requirement (HR/CR) Review is conducted prior to the delivery of flight hardware and associated software to evaluate and certify that the hardware is ready for ... -
NASA-LLIS-1562
Abstract: Abstract:
The Agency has aggressively committed to pursue performance tracking such as Earned Value Management (EVM). However, given the constraints of operating within the restrictions and limitations ...Subject(s) : AATT , Documentation Requirements , FAA , Financial Management , Headquarters , Policy & Planning , Program and Project Management , Re-baseline , Risk Management/Assessment , WBS , -
NASA-LLIS-1423
Abstract: Abstract:
During assembly of the Fluids and Combustion Facility by Northrop Grumman Information Technology at the Glenn Research Center, it was found that numerous aluminum components that were Electroless ...Subject(s) : Hardware , Hazardous/Toxic Waste/Materials , -
NASA NPD 8831.1 REV E W/CHG 1
Abstract: APPLICABILITY
This NPD is applicable to NASA Headquarters, all NASA Centers, Component Facilities, all contractors performing facilities maintenance for NASA, and to the Jet Propulsion Laboratory to ...

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