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Viewing 3361 to 3390 of 5663
2012-10-24
Magazine
Biofuel advances The aerospace industry remains committed to getting off the ground with alternatives to jet fuel.
2012-10-23
Magazine
Seeking validation Increased system complexity poses new challenges for software design and ECU system validation, mandating the need for simulation tools that can easily handle the complexity, while providing cost-effective, industry-proven verification tools and processes. Mapping the road to 54.5mpg Part 1 of AEI's three-part series looks at the CAFE challenge and the product-development options being weighed to meet it-while engineers look forward to the critical 2018 mid-term review.
2012-10-11
Magazine
Digital engineering for Tier 4 With the final phase-in of the U.S. EPA Tier 4 emissions standard set to take effect by 2015, off-highway engine developers are accelerating product introductions. Design challenges remain for manufacturers even after the final phase-in while CAE software providers improve technology.
2012-10-02
Magazine
A compact Cadillac to beat the Bimmers General Motors engineers were given a clean sheet to develop the 2013 ATS, Cadillac's all-new compact (and light) sport sedan aimed squarely at the 3 Series benchmark. Re-engineered Ram Thermal management-along with other significant changes-improves Ram 1500 fuel economy and earns EPA off-cycle credits. Honda Accord-the 9th generation The all-new 2013 model brings direct injection, a new CVT, MacPherson struts, safety advances, and a plug-in hybrid version./li> Radios expand by turning to micros Versatile systems use microcontrollers, software to meet wide range of requirements. Heavy on the lightweighting Weight reduction is already a significant consideration in companies' product development efforts, and the emphasis is only going to increase in the years ahead, according to SAE-member survey respondents.
2012-09-28
Magazine
Shed a few joules with better aerodynamics A team of engineering students from Laval University has managed to reduce the energy demand due to wind resistance of its Supermileage vehicle by 10% after carefully designing a new vehicle body with a 25% larger frontal area. Telemetry helps Formula SAE team close the loop on design Once a year, a team of students at Virginia Tech get to do something that ought to put a grin on any aspiring engineer's face: build a racecar. Unconventional steel wheel designs The drawings done by collegiate students for a steel wheel design competition had industry professionals thinking about future production possibilities.
2012-09-27
Magazine
Polymeric engine bearings for stop-start Gaining momentum on passenger vehicles, hybrid and stop-start technologies are expected to find more application in commercial vehicles. Mahle has developed a proprietary lead-free polymer overlay for bearings that's suitable for this aggressive operating environment.
2012-09-26
Magazine
Demon alcohol? The impact of Ethanol fuels on regulated tailpipe emissions is studied and assessed by two Chrysler researchers in a 2012 SAE technical paper.
2012-09-25
Magazine
Walking the torque A system that fills in the torque gap of a turbocharged diesel engine, allowing a smaller power unit to punch well above its size, without the dreaded 'lag'-that has to be a winner, surely. So a decade later, why has it yet to come to market? Ian Adcock ponders the reasons Tipping the scales The original Range Rover revolutionised the automotive industry when it was launched. Some 42 years later, the latest version looks very much set to do the same as Ian Adcock reports Can computers take control safely? In the name of improved safety, some favour a future where automation takes charge of a fast-moving vehicle. The more cautious support advanced systems that simply warn drivers of potential problems. Who will win out? Chris Edwards reports
2012-09-18
Magazine
Sealing A/C systems Choosing the right automotive tube joint seal for HFO-1234yf refrigerant compatibility.
2012-09-12
Magazine
A paradigm shift in offline programming of robots CAD-based offline programming has the potential to take into account design changes to a certain extent, avoiding time-consuming and thus expensive reprogramming after an engineering design change.
2012-09-06
Magazine
The big engine that could With the stringent EPA 2015 regulations on large diesel engines for locomotive, marine, and stationary generator applications, the need for NOx reduction via urea SCR catalyst arises given the proven performance of urea SCR. Monitoring hydraulics Component producers and vehicle service providers offer their views of hydraulic diagnostics as the industry moves toward real-time, intelligent health monitoring, predictive failure software algorithms, and wireless notification. Engine management expands from minute movements to full vehicle Electronic controls grow in complexity as engine designers extend their scope to include hydraulics.
2012-09-05
Magazine
Securing IT in the sky Along with IT systems and communication links comes IT security as a new factor when evaluating and monitoring the operational risk that needs to be managed during the operation of the aircraft. Data collection made easy Heavy vehicle makers, telematics providers strive to add more features while simplifying startup.
2012-09-04
Magazine
The Lexus rises again Kiyotaka Ise is leading the effort to redefine the Toyota luxury brand with 'Lexus emotionality.' Hyundai powers ahead Dr. Woong-Chul Yang, Vice Chairman, Hyundai Motor, and the head of Hyundai-Kia R&D, explains how his company is striving to be the most-loved, but not necessarily the biggest car company-with the help of technology and powertrain leadership from Seong-Hyon Park, Hyundai's President of Powertrain. Next-generation lithium batteries step forward Developmental solid-state lithium-ion and lithium-air batteries could one day provide ample EV power.
2012-08-31
Magazine
ETS Baja parts failure analysis: Geared for success When the ETS Baja team had to withdraw from the Baja Auburn 2012 event due to abnormal gear failure, an extensive analysis was required to ensure that problems of this nature would not surface again. After some serious investigation, the conclusion of almost 30 hours of research was unexpected and proved surprisingly simple. Body and soul rule at 2012 Formula SAE Months before the Formula SAE Michigan competition in May, teams were hashing out product development decisions. The end-game was presenting a racecar that had the right stuff for earning high points in the challenge's vehicle design evaluation as well as the acceleration, skid pad, endurance, and autocross dynamic performance events.
2012-08-21
Magazine
RAV4 EV races to market After just a 22-month development program, engineers from Toyota and Tesla produce an all-electric version of the popular SUV. Integrating in-wheel motors Four publicly disclosed vehicles are examined for which Protean Electric has taken a leading role in converting into electric or hybrid prototypes.
2012-08-15
Magazine
Everything's looking up for aircraft with Internet connections Satellites will make global connectivity possible. Composite bonds put to the test The application of adhesive bonding as a joining technology for CFRP aircraft structures is essential for the realization of novel lightweight design concepts. Aerospace leads in additive manufacturing The unique advantages of making metal parts from powder-bed additive manufacturing are looking attractive to engine manufacturers. Europe's aerospace sector at a crossroads Europe is facing a massive black hole in its future defense procurement portfolio. What will replace today's fighters and trainers when the present order backlogs have been produced?
2012-08-09
Magazine
FEA of light-vehicle cab's hydraulic mount Using finite element analysis on a cab's hydraulic mount can shorten product development time and reduce development costs significantly.
2012-08-07
Magazine
Advances in simulation deliver better engines Engine developers need to deliver cleaner engines that burn less fuel, are more durable, and quieter. If that was not enough, competitive pressures are forcing them into shorter time lines and reduced budgets. Engine developers may have no other opportunity to reduce cost and risk than use more CAE simulations.
2012-07-26
Magazine
Quiet in the cab As NVH gains importance in the quality of off-highway machines' performance and operator comfort, it is essential to understand every aspect of the machine noises and its annoyance effect to the operator's comfort.
2012-07-25
Magazine
The row about rare earths Rare-earth elements are key to applications as varied as traction motors, catalytic converters, and wind turbines, but high prices and supply shortages have the auto industry grappling with design changes and other alternatives.
2012-07-25
Magazine
An eye on the road ahead Professor Alan Baddeley tells Ian Adcock how driving can be made easier and safer Bearing gifts Ian Adcock discovers from Federal Mogul how bearings will improve engine efficiency Raising the roof Tony Lewin reports on a new breed of open tops and convertibles
2012-07-18
Magazine
Designing the optimal airframe Integration of simulation software tools is the key, from aerodynamic CAE to structural analysis and optimization.
2012-07-17
Magazine
Breathing life into fuel cells Daimler unit NuCellSys has been making advances in the air supply for fuel-cell stacks, with a new system in the works.
2012-07-05
Magazine
After diesel A look at some offshoots-hybrids, HCCI, and alternative fuels-to the ever-popular diesel engine in the off-highway industry. Software gains (hydraulic) power Development processes are being revised as software becomes a centerpiece of electrohydraulic designs. Virtual sensing gets real As emissions regulations get more strict, emissions measurement must get more precise for onboard diagnostics, engine control, and model-based controller design.
2012-07-03
Magazine
Light and mighty Finding innovative ways to reduce vehicle weight while maintaining vehicle safety will be key to achieving the 2025 fuel-economy target. Controllers bulk up to manage engine's intricacies Chips hold more memory and boost throughput to help improve fuel efficiency. Electric Renault also focused on internal combustion Already becoming known in Europe as the 'electric company,' Renault, together with Alliance partner Nissan, is determined to pursue EV solutions but in parallel with intensive ICE programs, says Philippe Klein, Renault's Vice President, Corporate Planning, Product Planning, and Programs. Volvo plugs into high technology The company may be on a high-technology roll with its new plug-in diesel hybrid and its shift to a maximum four-cylinder philosophy-with three-cylinder units likely, according to Peter Mertens, Senior Vice President of Research & Development.
2012-06-26
Magazine
Argonne heats up Li-ion battery research The U.S. Department of Energy lab near Chicago is using federal stimulus money to dive deeper into lithium battery research. Lithium-ion battery industry moves forward From technology advances to manufacturing capacity expansions, the foundation of the lithium-ion battery industry is becoming stronger and more viable.
2012-06-19
Magazine
No time to sit still Seat developers are revising architectures and components to provide more functions at lower costs.
2012-06-14
Magazine
Designing the whole Connecting model-based system engineering through PLM tools to CAD, FEA, and physical test is on the horizon.
2012-06-13
Magazine
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.
2012-06-05
Magazine
Raj Nair's world's-eye view Ford's new global product-development chief discusses engineering resources to meet Asia-Pacific growth, China's challenges, U.S. CAFE, and lightweighting full-size trucks. Raising the bar on SI engine efficiency Highly boosted gasoline engines with 13:1 compression ratio? BorgWarner is tackling gasoline-engine pumping losses and finding many fuel-efficiency benefits as a result. VP of Advanced Engine Engineering Chris Thomas reveals the methodology-and more. GE makes power play into automotive The iconic American conglomerate sees great potential in electric vehicles, helping utility customers upstream ensure reliable and efficient energy delivery for EV customers downstream, says GE's Mark Little. Hybrid-electrified Le Mans Audi and Toyota bring hybrid-electric racecars to the renowned 24-h race.