Search Results

Simulation supports aircraft safety From analyzing crashes to hard landings, the industry is evolving in how much it relies on CAE simulation to provide safer aircraft designs. As aircraft systems become more complex, simulation itself is evolving as well.

Artificial Intelligence in the Battlespace Key Considerations for a New Way of Fighting War Machining Beryllium Electrified Propulsion for Aerospace Where to Start The Future of Managing Mission-Critical Systems Improving Battlefield Connectivity for the Modern Warfighter How to Test a Cognitive EW System Molded RF Materials for Hypersonic Sensors and Seekers AUVSI XPONENTIAL Multimode Optical Fiber Sensing Although the vast majority of fiber optic strain sensors use single mode fiber, multimode fiber has a higher nonlinear threshold that enables higher light levels and lower noise, while the diversity of spatial modes can be used to develop sensors that are inherently immune to signal fading. Autonomous and Resilient Management of All-Source Sensors for Navigation Assurance As the number and type of sensors informing a system increases, so does the probability of corrupting the system with sensor modeling errors, signal interference, and undetected faults.

The Rapid Rise of Beryllium-Aluminum Alloys in Aerospace Aeroacoustic Simulation Delivers Breakthroughs in Aircraft Noise Reduction Using System Simulation to Manage Increasing Thermal Loads on Aircraft Fuel Systems Ensuring the Compliance of Avionics Software with DO-178C Microwave Photonic Notch Filter Helps Ensure Critical Mission Success Measuring Propellant Stress Relaxation Modulus Using Dynamic Mechanical Analyzer New testing technique requires less material, gives more accurate results. Combustion Characteristics of Hydrocarbon Droplets Induced by Photoignition of Aluminum Nanoparticles Test methodology allows analysis of combustion dynamics for subscale rocket injectors under super critical conditions. Vapor Pressure Data and Analysis for Selected Organophosphorous Compounds: DIBMP, DCMP, IMMP, IMPA, EMPA, and MPFA Determining the thermophysical properties of chemical warfare agent simulants can help evaluate the performance of defensive equipment.

Additive Manufacturing How 3D Printing Will Transform the A&D Support Chain Advances in Lightweight Electronics Protection Conformal Coatings Increase Reliability of Aerospace and Military Assemblies Powering Outer Space An In-Depth Look at Aerospace Battery Technology Using High Bandwidth Oscilloscopes to Analyze Radar and Electronic Warfare Systems Bio-inspired Airborne Infrastructure Reconfiguration (BioAIR) EMI Analysis Software Helps Telescope Group Simulate RFI Mitigation Epitaxial Growth of Rhenium with Sputtering Processing and Characterization of Polycrystalline YAG (Yttrium Aluminum Garnet) Core-Clad Fibers Multi-Scale Analysis of Deformation and Failure in Polycrystalline Titanium Alloys Under High Strain Rates Abrasion Testing of Products Containing Nanomaterials Spectrum Fatigue of 7075-T651 Aluminum Alloy under Overloading and Underloading

From concept in mind to product in hand Compatibility between tools for design and manufacturing engineers is improving, though it's still fraught with potential pitfalls. Cockpits on display Larger (and eventually bendable) flight displays use commercial technology for both new production and retrofit applications. Interior interests Makers of business aircraft take different approaches to designing interiors. Aerospace proves its metal Aluminum lithium, magnesium alloys, titanium metal matrix composites, and advanced coatings are all part of the future of flying.

Looking to new aircraft configurations Researchers at Cranfield University's College of Aeronautics discuss the needs and benefits of studying different aircraft configurations such as the blended-wing body. Leading edge deicing Shape memory alloys, which can be trained to generate a compressive strain upon application of an electric current, show promise for deicing applications.

Next-generation space transportation NASA narrows its search for a successor to the Space Shuttle. Air-traffic-control modernization "Aerospace Engineering" provides an update of the latest air-traffic management activities taking place in the U.S. and China. Aircraft undercarriage concept Engineers at SUS21 Co. Inc. and the Kyoto Institute of Technology have developed an aircraft suspension system that features shock isolation to reduce abrupt deceleration and impact force on aircraft wheels. Simulating Superplastic forming BAE Systems' engineers developed modeling tools and techniques to optimize superplastic forming of titanium structures.

Showing how it's done Engineers are using software to better manage product development data, and applying tools to a new class of problems. NASA goes deep The agency's new long-term space exploration program starts with a return to the moon and will ultimately enable future exploration of Mars and other solar system destinations. Farnborough preview In an event that happens just once every two years, bringing the multitudes together, it is important to get as much technology as possible into the open and to find solutions to hard problems. Seats under crash loading The FAA and academia have conducted aircraft seat drop tests to compare and contrast passenger crash protection. A fluid approach Aerospace engineers have started using CFD software earlier and earlier in the design process.

Global technologies Much of the excitement surrounding such aircraft as the point-to-point 787, hub-to-hub A380, and 7X business jet is due to the application of new technologies. Engineering a career With an impending shortage of aerospace engineers, industry and academia team to mold future engineering talent for an increasingly global environment. Taking research to the bank Behind the doors of BAE Systems' Advanced Technology Center. Testing toward perfection In a competitive global market, commercial aircraft need to be lighter, faster to market, cheaper to build, easier to maintain, and safer than ever.

Sound sound-research techniques Higher bypass ratios, chevrons, shape memory alloys, and improved aerodynamics are some of the advancing technologies that will help quiet aircraft, and thus help the environment. Display technology perks up HUD, software make big strides in cockpit appearance and flight safety. Going green The global aerospace industry gears up for big changes in fuel burn, emissions, and noise.

Material matters While new airplane designs now entering service will use more carbon-fiber composites than ever, it is no time to count out aluminum, as promising new versions of alloys such as aluminum-lithium gain ground.

The big boys go for plastic While it is true that the latest developments in advanced alloy manufacturing techniques can deliver structures and components that meet all the product requirements that aerospace primes need for new aircraft, there can be no escaping the fact that there is now an unstoppable momentum building up for the plastic airplane.

Downsizing: the heat is off Ian Adcock discovers why a material developed in the nuclear industry could prove a real boon for OEMs as they look to downsize engines. Lightweight champions Could an alloy with the strength of steel, but as light as aluminium, prove to be a game changer for the automotive industry? Ian Adcock investigates. Road fatalities: eliminating the human factor In a new series on vehicle safety, Ian Adcock looks at the need for more driver intervention systems.

Increasing the hydroforming knowledge base Tube hydroforming has become a viable economic alternative to various stamping and welding processes in automotive applications. Controlling two-stroke engine emissions With the constant rich operation of two-stroke engines, common design criteria for three-way catalysts fail. DaimlerChrysler technical symposium A year after the merger that created the new corporation, engineers from both groups came together to present a unified technical symposium to review the future direction of the new organization. Here are some highlights of the more significant technical developments. Vertical complex-shape headlamp reflectors Another improvement in lighting technology gives designers increased flexibility in vehicle appearance with no loss in lighting performance. Advances in static and dynamic exhaust system seating Major redesign, combined with minor improvements in simple details, returns significant benefits in sealing.

Controlling deceleration during a crash It may be possible to reduce occupant injury severity without increasing vehicle deformation by actively controlling the vehicle deceleration in a crash. Europe's speed, cost, quality conundrum In last month's issue, Automotive Engineering International reported how technology is helping some of the major North American suppliers cope with doing business in the digital age. This article, the second in a series, addresses the same subject with some of the major suppliers and OEMs in Europe. Digitally controlled servo-hydraulic crash simulator The automotive industry is moving to newer technologies for crash simulation to minimize time-to-market for new models, reduce costs, and meeting consumer demand for safer cars and trucks.

Gentlemen ... start your browsers To B2B or not to B2B, that is the question major players in the automotive industry must ask themselves as business-to-business e-commerce -- "B2B" -- becomes the very first trend of the 21st century. With new online alliances being forced almost daily between OEMs and suppliers -- and with some suppliers creating their own networks -- AEI looks at some of the most prominent B2B players. Global Concepts This review of some of the more significant vehicles from this past year's motor shows showcases trends in design and technology from the world's automakers. Automotive electromagnetic emissions measurements Theoretical modeling and practical measurements are used to investigate the validity of measuring electromagnetic emissions at close ranges. Assessing and analyzing driveability Engineers use in-vehicle data-acquistion and analysis tools to develop and refine vehicle calibrations for good driveability performance.

Global viewpoints: technology leads the way From fuel cells to flexible circuitry, advanced technologies are helping North American automakers and suppliers build vehicles that deliver increasingly high levels of safety, reliability, performance, and comfort/convenience. Sensor development for occupant rollover protection Delphi Automotive Systems pursues new devices for the pecularities of rollover conditions. Several steps toward recovery Making new vehicles out of old vehicles--as well as discarded carpeting--enables automakers to do the right thing for the environment, society, and their balance statements. Englightened interiors Product developers at Chicago Miniature Lamp discuss trends and advances in automotive interior lighting. Geneva Motor Show highlights Vehicles on display at the event, held in early March, ranged from the bizarre to the functional.

Trends in advanced chassis control Motorola vehicle system developers examine the state-of-the-art microprocessor and other electronic technologies driving the development of advanced braking, steering, suspension control, and collision warning/avoidance systems. Wheel design and engineering Consumer demand is driving the automakers' move to large-diameter, shiny, alloy wheels. Telematics and the digital car As development of new telematics products and services gain speed, OEMS, suppliers, and other players in the automotive industry are using simulators as a tool to gain greater understanding of driver distraction. NisSun Rising Nissan is back, according to President and COO Carlo Hosn, thanks to a revised product development structure that makes better use of employees and technology. Back to the future for Ford manufacturing The Vice President of Vehicle Operations said the company's goal is raw materials to finished goods in one day.

NAIAS production vehicles Editors review the engineering highlights of the show's production-vehicle introductions. BMW 7 Series: AEI's Best Engineered Vehicle for 2002 With help from its suppliers, BMW has produced a vehicle that blazes the engineering trail with innovations that will influence passenger vehicles for years to come. Developments in fuel cells Automotive engineers are concentrating on providing quick startup, cost reduction, mass manufacturability, and crash safety. AEI Tech 2002 Awards Automotive Engineering International editors highlight the top products and technologies that were displayed at the SAE 2002 World Congress. Introducing S.M. Shahed, SAE President for 2002 From humble beginnings, S.M. Shahed carves out a seat at the society's top spot. Urea selective catalytic reduction Testing by Ford researchers of a small-diesel emissions-control system proved successful in meeting ULEV emissions standards.

Bending light Lighting technology is becoming more intelligent and adaptive as OEMs and suppliers develop systems that are more integrated into vehicle electronics systems for greater performance and safety. Top technologies of the year The world's automakers and suppliers were busy in 2002 equipping production vehicles with significant new technology. The editors review some of those significant "game changing" innovations for the past model year. Testing on the move Advances in mobile data acquisition, such as those from HBM, have helped engineers move the testing of vehicles from the laboratory to the road. Producing an all-new powertrain Ford and International each revamped a plant to build a new powertrain for Ford's super-duty trucks and Excursion sport utility vehicle. Making plastic parts New ways of forming plastics for automotive components were revealed at an annual contest sponsored by the Society of Plastics Engineers.