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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.

Solving the Greenhouse Gas puzzle While automakers and policymakers debate the TAR, engineers and product planners prepare for the steep climb to meet GHG and CAFE rules beyond 2022. Revving up thermal characterization in the component lab The latest generation of high-speed infrared cameras can capture airbag deployments and other fast-moving actions quickly and accurately. C3 consortium aims for soot solution A newly formed group of companies led by CFD specialists Convergent Science targets exhaust particulate reduction in the combustion chamber. Inside the autonomous vehicle With less focus on driver needs, comfort, safety, and occupant productivity will become key. Editorial: Bad gas?

Base-engine value engineering for higher fuel efficiency and enhanced performance Continuous improvement in existing engines can be efficiently achieved with a value engineering approach. The integration of product development with value engineering ensures the achievement of specified targets in a systematic manner and within a defined timeframe. Integrated system engineering for valvetrain design and development of a high-speed diesel engine The lead time for engine development has reduced significantly with the advent of advanced simulation techniques. Cars poised to become 'a thing' Making automobiles part of the Internet of Things brings both risks and rewards. Agility training for cars Chassis component suppliers refine vehicle dynamics at the high end and entry level with four-wheel steering and adaptive damping.

Software's role continues to expand Design teams use different technologies to create new software and link systems together. Emissions regulations and engine complexity With the European Commission announcing a Stage V criteria emissions regulation for off-highway, scheduled to phase-in as earlly as 2019, there will be an end to a brief era of harmonized new-vehicle regulations. Will this affect an already complex engine development process? Evaluating thermal design of construction vehicles CFD simulation is used to evaluate two critical areas that address challenging thermal issues: electronic control units and hot air recirculation.

Making sense of autonomy Industry offers a range of sensors that will free humans from many tasks while also improving reliability, though devising strategies that meet demanding requirements without breaking the bank is no easy challenge. Life-cycle planning-Design and calibration for ultimate efficiency The ultimate power of Big Data technologies relies on the implementation of new strategies. Unlike a traditional engine calibration process, in which only calibration test data and model simulation data are used, multiple source data introduced into the adaptive engine calibration process contributes to efficiency and cost reduction. The complicated future of off-highway engines Developing an optimum engine is getting tricky now that the European Union has established a Stage V for off-highway engines, and the U.S. has not. What effect will this have on future engine designs?

No hands, lots of brains A hefty amount of computing power built with new hardware and software architectures will be needed when vehicles begin taking over more of the driving tasks. Aerodynamics and flow simulations come of age With the advent of faster computers, engineers are using CFD software as a practical tool, shaping designs early in the product development cycle. The challenges today are in how best to use it and by whom. New rules shuffle the F1 deck New turbocharged hybrid-electric power units and revised aerodynamics may scramble the familiar order in Formula One for 2014. Stars of the show floor The editors of Automotive Engineering annually select from among SAE World Congress exhibitors the technologies that meet their criteria for a coveted Tech Award. Judging is based on level of design and engineering innovation, uniqueness, potential for 'real world' production application, and potential benefit for industry customers and end users.

I was promised flying cars Though flying cars seem unlikely to become reality anytime soon, driverless vehicle technology is improving more quickly than you might expect. Quantum leaps toward world solar car title Armed with a dramatically lighter and aerodynamically cleaner racecar, the University of Michigan team likes its chances down under in the 2011 World Solar Challenge. Designing an aerodynamic undertray for a Formula style racecar Using CFD analysis, a master's student discovers an effective design for the undertray of a Formula SAE racecar. Hypersonic possibilities When it comes to reviving high-speed air travel, it all comes down to propulsion, propulsion, propulsion.

The man challenges of Tier 4 engineering Cutting and controlling emissions are the surface goals, but designers must also manage to cut and control costs, while adding complexity. A cool look at heat protection CFD is used to predict flow and thermal fields within the engine compartment both at steady state and transient conditions. Hushing hydraulics Researchers from the Georgia Institute of Technology put their energies into novel, compact devices for reducing fluid-borne noise.

Integration helps fuel push for conservation As rising fuel prices and looming environmental regulations bring fuel economy to the fore, hydraulic system developers are pitching in to improve efficiency and help conserve precious resources. Simulating hydraulic valve pressure drop CFD software is being used more and more frequently during the design of off-highway systems and components. 2006 Commercial Vehicle Congress Preview International Truck and Engine executives head the charge for "positive industry change" at SAE's third Congress for the on-and off-highway communities. Position sensing in machine controls As performance requirements for off-highway equipment become more demanding, the need for greater control of motion and power grows as well.

The need for speeds The recent automatic-transmission introductions by Toyota, DaimlerChrysler, and ZF highlight the trend toward greater gear-ratio spreads for better launch performance and cruising efficiency. Mechanical advantage Ride and handling can be influenced and controlled by the latest electronics, but careful mechanical design of the suspension can deliver significant benefits. Hard drives Driven by the insatiable demand for more usable navigation information and entertainment content, automotive disk drives will become commonplace, but not until cost and other issues are overcome, experts predict. Trucks get aerodynamic touch Light truck and SUV designers must reconcile conservative customer tastes with the need for reduced drag to bost efficiency. Pedestrian protection possibilities Carmakers consider a variety of solutions to the problem of saving lives outside the vehicle.

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.

The chain in China North American suppliers must confront some challenging supply-chain issues as they take aim at what could potentially become the world's largest automotive market. Visteon researches composite truck chassis The company used computer analysis extensively in a research project aimed at reducing the mass and complexity of a chassis structure while increasing strength and stiffness. Simulation goes beyond engineering Computational fluid dynamics simulation and visualization software vendors are introducing products to extend the value of CFD throughout the product life cycle, according to Acuitiv Software. Ford still riding Six Sigma quality horse Ford is combining Six Sigma with kaizen events at its plants around the globe to coax new ideas from its hourly workers in hopes of closing the gap with perennial vehicle-quality leader Toyota.

Toward safer skies The mechanical safety of aircraft has made great strides over the years, allowing some engineers to focus on other aspects of flight safety. CFD in space Computational fluid dynamics provided a powerful tool in protecting astronauts on the ISS from CO2. Simulating safety Bombardier Aerospace simulates airflow in nacelles to prevent engine foreign-object damage.

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.

Bridging the power gap An alliance between Cummins and Komatsu provides an intriguing prospect to the industrial engine market with the new QSK78 industrial engine. Large eddy simulation in hydraulic valves Cavitation in hydraulic spool valaves involves large-scale vortical structures in an unsteady submerged jet. According to engineers from Purdue University, curent CFD approaches do not accurately predict these unsteady vortices, nor do they properly account for bubble-dynamics/flow-structure interactions. Proving heavy-vehicle performance The Nevada Automotive Test Center and Mechanical Dynamics joined forces to redesign and improve the drivetrain, frame, steering, and other subsystems of a heavy-duty military-vehicle for the USMC. Tying it all together GPS. Engine diagnostics. Wireless communications. So much technology. So many voices. Is it a chorus of the Tower of Babel?

Getting the aero advantage Team Rahal has come up with several innovative ways of integrating and implementing Fluent Inc.'s computational fluid dynamics softwarae into its engineering process. Jordan Grand Prix benefits from 3-D design This motorsports team's transition from 2-D design to 3-D digital modeling using SDRC's I-DEAS software has resulted in shorter lead times and improved part fit. The 2002 Explorer/Mountaineer Ford engineers further improve ride, handling, and safety while increasing the vehicles' power. Cadillac's re-engineered Escalade The 2002 model has a host of new, advanced features including "Northstar-inspired" powertrains, StabiliTrak stability control, and a Road Sensing Suspension system. Explorer Sport Trac breaks new ground Ford says its 2001 Explorer Sport Trac, based on the 2001 Explorer four-door, was engineered for improved ride and handling, and is the first traditional SUV with an open cargo area.