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Viewing 1 to 30 of 2566
2012-04-18
Magazine
Putting electrification to work For fleets, going green is a high priority-but making green is an even higher one. A move to 'more electric' engines Researchers detail a motor control design for the fuel system of a more electric aero engine, focusing on the necessary safety and reliability aspects. 2012-13 Hybrid Vehicles Guide A quick reference to the latest production HEVs and their key specifications.
2014-02-03
Magazine
Thermal simulation and testing of expanded metal foils for lightning protection With the implementation of major aircraft structures fabricated from carbon fiber reinforced plastic materials, lightning protection has become a more complicated issue for designers and engineers to solve. Electronics take charge Digital controls are handling more engine control tasks on a wider range of aircraft.
2011-03-31
Magazine
A new model for University research The robotics team at Carnegie Mellon University innovates with a new approach for the funding and commercialization of University research. Automotive and Aerospace engineering education: today and tomorrow Student opportunites in specialized programs continue to grow. Lamborghini is bullish about new flagship Of all the models making their world debut at the 2011 Geneva Motor Show, Lamborghini's Aventador LP 700-4 could claim top honors for new technology. B-Max launches downsized EcoBoost engines The small B-Max MAV uses familiar Ford "kinetic" design cues. Diesel/electric-drive military vehicle at Chicago auto show A military vehicle is designed to perform specific missions, not serve as an environmental showcase.
2011-10-12
Magazine
Digital aerospace gets dynamic Aerospace design is advancing from the static to the dynamic as PLM and simulation tools enable systems architects to design validated systems earlier in the process. Internet connectivity goes worldwide Coverage permitting Web access is growing and getting faster.
2009-12-23
Magazine
Optimizing components for greener combustion Research agencies and engine manufacturers around the world tackle combustion with new materials, configurations, and fuels.
2013-06-03
Magazine
Filling the space A look at the changing face of manned spaceflight and the commercialization of orbital access. Distribution of power When designing the electrical distribution system for a turboelectric architecture, it is imperative to select technologies that will provide the highest efficiency and stability for the propulsion system.
2013-03-01
Magazine
Virginia Tech rising to hybrid challenge The Hybrid Electric Vehicle Team of Virginia Tech (HEVT) is using custom motors and powertrains to re-engineer a 2013 Chevy Malibu to make it more environmentally friendly. Directing diesel's debut in U.S. Grand-Am racing Speedsource's engineering director, a Formula SAE grad from the Univ. of Florida, is helping to put Mazda's new compounded-turbo diesel engine in the Grand-Am winner's circle. Royal College of Art preps designers for expanded role Vehicle design is broadening and moving upwards in both intellectual and business terms, with many designers reaching board level, says London's Royal College of Art professor Dale Harrow. Shelby upgrades Mustang and Focus The company pumps up its Super Snake to 850 hp (634 kW) and lowers the Focus ST for Shelby-grade performance in 2013 . Vortex rocket engine reaps the whirlwind Lightweight combustion chamber walls stay cool because hot-burning propellant remains confined to a central cyclone.
2016-09-10
WIP Standard
AIR1811B
The purpose of this Aerospace Information Report (AIR) is to provide guidelines for the selection and design of airborne liquid cooling systems. This publication is applicable to liquid cooling systems of the closed loop type and the expendable coolant type in which the primary function is transporting of heat from its source to a heat sink. Most liquid cooling system applications are oriented toward the cooling of electronics. Liquid cooling techniques, heat sinks, design features, selection of coolants, corrosion control, and servicing requirements for these systems are presented. Information on vapor compression refrigeration systems, which are a type of cooling system, is found in Reference 1.
2016-10-21
WIP Standard
AIR1609B
This SAE Aerospace Information Report (AIR) covers the design parameters for various methods of humidification applicable to aircraft, the physiological aspects of low humidities, the possible benefits of controlling cabin humidity, the penalties associated with humidification, and the problems which must be solved for practical aircraft humidification systems. The design information is applicable to commercial and military aircraft. The physiological aspects cover all aircraft environmental control applications.
2003-04-01
Magazine
The dawn of the jet age: the first 10 years One of the ironies of aviation history is that the most obvious potential power source for a fixed-wing aircraft was barely considered by the early pioneers. Airflow simulation for winglets Embraer engineers used CFD to visualize flow patterns around wings for a design retrofit. Aircraft-engine-mounting analysis Engineers from Honeywell adapted a rapid analysis approach to develop and validate a complex propulsion system. Reshaping F-16 production Following its contract with the Joint Strike Fighter program, Lockheed Martin is reconfiguring its F-16 assembly line in preparation for long-term JSF production starting later this year.
2000-07-01
Magazine
Simulated combustion chamber burn-through Engineers at Rolls-Royce investigated this potential event using numerical simulation. X-planes A technological overview of several historical X-series experimental aircraft.
1985-11-11
Technical Paper
852287
Yutaka Fukumitsu, Masayoshi Nishimori, Katsuyuki Harigane
The paper describes the compatibility of two contradictory factors among basic automobile design features through the development of an advanced research automobile. These factors are the interior space for passenger comfort and exterior shape for aerodynamic drag reduction. The basic design of the automobile is a fast-back front- drive car with packaging five passengers providing sufficient interior space resembling sedan. In consideration of safety regulations, the visibility and passenger comfort, body shape has been optimized by 1/5 scale model wind tunnel testing. Since engine cooling flow is one of the dominant factors among aerodynamic characteristics, resistance due to internal flow in the engine compartment are also explained. The drag coefficient of the advanced research automobile developed through aerodynamic studies was shown to be 0.25.
2017-03-02
Standard
AMS3593B
This specification covers an irradiated, thermally-stabilized, flame-resistant, modified-polyvinylidene-fluoride plastic in the form of extra-thin-wall tubing.
1994-09-01
Standard
AMS3053
This specification covers a water resistant lubricant in the form of grease procured in inch/pound units.
2012-11-08
Standard
AMS3053A
This specification covers a water resistant lubricant in the form of grease procured in inch/pound units.
2017-03-09
WIP Standard
ARP6950
This SAE Aerospace Recommended Practice (ARP) provides guidance and interpretation on how to apply the objectives and activities in ARP4754A, “Guidelines for Development of Civil Aircraft and Systems”, to propulsion systems with electronic engine control. As the ARP4754A was developed and written more generally at the aircraft level, guidance will be provided to allocate ARP4754A objectives and activities to each side of the aircraft/engine interface. Using this guidance, certification applicants (aircraft and engine manufacturers) will be able to make proposals to coordinate their activities with their respective authority based on this allocation with the objective of distributing efficiently the compliance demonstration efforts between engine and aircraft certification and of avoiding unnecessary duplication of work.
2016-02-23
WIP Standard
AS1472B
This specification covers three types of lightweight, low pressure, wire and/or fabric reinforced hose assemblies primarily for use in aircraft potable water systems.
2014-07-14
WIP Standard
ARP60495
This method is currently under development in the E-34C Lubricating Characteristics subcommittee as a technique to predict the micropitting performance of 5 cSt turbine oils. The PCS Instruments Micro pitting rig (MPR) is currently used by the Industry to look at both macro and micro pitting resistance of lubricating oils on gears and bearings. Using the test methods and profile developed from testing performed by Powertrib, and then further discussions between PCS Instruments (the instrument manufacturer) and the E-34C committee, a set of proposed test conditions have been agreed. Once the specimens have been manufactured, a small round robin is planned to look at repeatability and reproducibility.
2012-08-10
Standard
AMSG6032A
This specification covers the requirements for two types of gasoline and oil resistant grease for lubrication of tapered plug valves, gaskets, and for other applications in fuel and oil systems. The type I grease is identified by NATO symbol G-363 (see 6.4).
Viewing 1 to 30 of 2566

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