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SAE Off-Highway Engineering 2004-10-01

2004-10-01
Beyond batteries the reinvention of a 100-year old electrical energy-storage device could transform heavy-duty hybrid drive systems. Pumping down the volume The design evolution of low-noise spur and helical gear pumps. Tackling Tier 3 Both Cummins and Caterpillar choose the in-cylinder approach to reducing emissions. The telematics fix Diagnostics may be the key to keeping telematics viable and affordable. Complete and intelligent systems SAE 100 Future look: The future of mobile hydraulics can be seen today. Modern mobile hydraulics of today and tomorrow consists of complete system solutions with integrated electronics, which make off-highway machinery more efficient and, at the same time, reduce life-cycle costs. The next step in hydraulics and electronics SAE 100 Future Look: As we celebrate 100 years of SAE's contributions to our industry, it seems very appropriate to look forward at the next few years and assess where we will be.
Magazine

SAE Off-Highway Engineering 2006-10-01

2006-10-01
Making sense of engines Heavy-duty equipment is known for its ruggedness in harsh environments, but vehicles are not neglecting their sensitive side. The world's fastest digger gets closer JCB's Dieselmax goes 350 mph and teaches engineers much about engine capability, extreme testing, and program management. The whole system, and nothing but the system Properly implemented, an electrohydraulic system can add a great deal of automatic control, advanced performance, advanced diagnostics, and remote monitoring to a mobile application. Regenerative hydraulics The use of multiple hydraulic pumps can satisfy the needs of various circuits in off-highway equipment. The gas is greener Biofuels promise to help reduce petroleum cinsumption and CO2 emissions, but much of the potential depends on production and infrastructure investments. Material returns Effective use of materials information is important to engineers in development of parts and components.
Magazine

SAE Off-Highway Engineering 2007-09-01

2007-09-01
Digging with precision Electronic technologies continue to transform the off-highway environment, all the way down to the components used to create electrohydraulic systems, including pumps, valves, and new additions, such as house controllers and sensors. Speeding up design Software automates more tasks, handles challenges. Together for a change On- and off-highway commercial vehicle industries converge at fourth-annual Commercial Vehicle Engineering Congress & Exhibition.
Magazine

SAE Off-Highway Engineering 2003-04-01

2003-04-01
Off-highway braking According to Mico, electrohydraulic braking controls can provide improved performance and add system features difficult to obtain with hydromechanical mechanisms. Keeping quiet Targeting off-highway and heavy-truck OEMs, Blachford claims its new acoustics laboratory will offer some testing capabilities previously only available to the passenger-car market. ADT marketing and manufacturing While it is not debatable that articulated dump trucks are a hot commodity, it is debatable how many are technologically unique. Proportional pressure reducing valves Engineers from Thomas magnete have designed pilot valves that work with electrohydraulics to simplify complex machine control systems.
Magazine

SAE Off-Highway Engineering 2001-06-01

2001-06-01
Cleaner and quieter snowmobiles The University at Buffalo's entry into the Clean Snowmobile Challenge led to modifications of engine, exhaust, body, and electronics to achieve a snowmobile with both lower noise and emissions. Predicting pump dynamics The dynamic behavior of a Parker Hannifin/Abex NWL hydraulic-axial-piston pump was simulated to determine information on pump flow ripple for longer pump life and reduced noise. Electronic engine management for small engines Through an overview of sensor technologies, Cherry Electrical Products confirms that the off-highway industry is ready to benefit from the automotive industry when it comes to electronically controlling small engines. Globally positioning mining vehicles High-tech guidance systems for mining vehicles supplied by companies such as Magellan Corp. are one of the most prevalent uses of global positioning systems in off-highway applications.
Magazine

SAE Off-Highway Engineering 2008-03-01

2008-03-01
In search of the perfect burn The simultaneous download pressures on NOx and PM continue to make research into higher injection pressures and alternative combustion solutions such as homogenous-charge compression ignition attractive. One way to stop a train A new self-energizing electrohydraulic brake offers the advantages of hydraulic brake actuation without the disadvantages of a centralized hydraulic power supply. A model combustion: from art to science Analysis tools, advanced hardware provide insight into combustion process, refining the cylinder's 'big bang.' The datalinked vehicle In the fields and on the job site with GPS.
Magazine

Aerospace Engineering 2003-09-01

2003-09-01
Fastener industry on fast track of change Technologies developed for fastening of metal aerospace parts are being transferred for bonding of composite parts. Moving toward sensor standardization One of the challenges facing aerospace developers is getting accurate test data from the many sensors used to monitor performance, simplifying setup and calibration. Wing design opens the envelope Technology presented at ACE describes a design process for a lightweight wing with an aerodynamic shape that is optimal for a large part of the cruise flight.
Magazine

Aerospace Engineering 2005-09-01

2005-09-01
Advanced materials for manufacturability The big three- aluminum, titanium, and composites- duke it out in the sky. Automation makes big advances Aircraft manufacturers continue to adopt new technologies that improve efficiency, speed up production, and reduce worker injuries. Electric braking debuts in military and commercial applications SAE 100 Future look: Goodrich led the development of electromechanical aircraft braking with a highly focused team of experts from three divisions within the company, each working in their own fields of expertise: braking performance, electronic controls, and electromechanical acutators (EAs). Looking into the future with NDT SAE 100 Future look: The need for systemized inspection inthe aircraft industry did not arise until the dramatic increase in air travel that took place in the late 1940s. Electronic warfare SAE 100 Future look: Today's combat aircraft commonly use electronic warfare (EW) receivers and jammers for self protection.
Magazine

Aerospace Engineering 2007-09-01

2007-09-01
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.
Magazine

Aerospace Engineering & Manufacturing 2008-09-01

2008-09-01
The burn factor New combustor technologies keep engine temperatures down to reduce emissions. The transparent supply chain The U.S. military and contractors work together to make parts available when parts are needed. An explosion of nondestructive testing Trends in the aerospace industry, such as greater use of composites, increase the need for tests and simulations.
Magazine

Aerospace Engineering 2006-10-01

2006-10-01
A deeper dive Simulation and testing continue to evolve, giving engineers more capabilities to find and fix errors before aircraft go into production. Europe: The empty cockpit The growing momentum behind the design and manufacture of UAVs and their potential integration into the global environment is bringing outstanding technology challenges and ooprtunities for the aerospace industry. U.S. manufacturing base shifts into high gear. Both military and civilian contractors are ramping up to meet demands of both war and commerce.
Magazine

Aerospace Engineering 2001-10-01

2001-10-01
The fantastic five Engineers at NASA Langley, NASA Glenn, and the Boeing Co. investigate new aircraft concepts designed to improve fuel economy. Addressing noise, emissions, and fuel efficiency In an interview with "Aerospace Engineering," Rolls-Royce Engineering Director Mike Howse explains the technical challenges and tradeoffs in jet-engine design and development. Doing business via the Internet It's not so much a matter of whether a company should use the Internet to conduct business, but how. This article looks at how two companies- one an aerospace parts maker, the other a provider of e-sourcing solutions- exploit the Internet. Improving processes through new solutions Several aerospace companies have implemented new engineering software products into their work processes to improve efficiency and productivity.
Magazine

Aerospace Engineering 2000-10-01

2000-10-01
Implementing CAD systems Several aerospace companies have employed new CAD systems to achieve cost savings as well as improved functionality. Nose gear shimmy damping Lord Corp. has adapted surface-effect technologies to the development of nonhydraulic nose gear shimmy dampers.
Magazine

Aerospace Engineering 2002-04-01

2002-04-01
From motorsports to aerospace Pi Research brings its motorsports digital data-acquisition technology to the aerospace industry. New testing solutions Aerospace Engineering editors review the latest testing products, equipment, and technologies from the idustry's suppliers. The world of business jet technology "Aerospace Engineering" provides an overview of new business jets and the technological innovations that make them fly in the first installment of a two part series. Dassault adds another Falcon The Falcon 7X featurs a host of new technologies, including an advanced wing design, making it Dassault's next-generation business jet. Eclipse makes business jets affordable New manufacturing techniques and high-volume approaches are enabling Eclipse to bring an affordable aircraft to the business jet market. Cessna establishes its Sovereignty The company finalizes development of the Sovereign and prepares it for FAA certification, which is expected late this year.
Magazine

Aerospace Engineering & Manufacturing 2008-08-01

2008-08-01
Robot reliance There is plenty of room for growth in the use of robots among aerospace companies. The energy-optimized aircraft Aerospace sings the body electric with the integration of stand-alone electric subsystems. Flying into cleaner skies Engine efficiency saves money, trims pollutants. A fascination with fasteners Lack of manufacturing capacity is just one reason for a shortage of aerospace fasteners.
Magazine

Aerospace Engineering 2006-07-01

2006-07-01
Designing reliable boards The makers of electronic hardware are boosting reliability by reducing the number of components that can fail while improving ruggedization for those circuit boards. Better seen, not heard Reducing noise profiles is a multi-targeted task for engine OEMs, airframers, airport authorities, and regulatory agencies. Farnborough 2006 "Sustainable Aviation" will be a key subject as representatives of the global aerospace industry meet at the Farnborough International Airshow.
Magazine

Automotive Engineering International 2010-01-05

2010-01-05
Optimizing ICEs for hybridization Automakers and powertrain R&D specialists are developing combustion engines specifically for series-hybrid, EREV, and PHEV applications. Top engineers explain the opportunities involved. Consolidation in radios creates fragmentation As radio head units begin handling more functions, the hardware that handles these tasks is being scattered throughout the vehicle.
Magazine

Automotive Engineering International 2010-01-19

2010-01-19
Top new engines AEI editors highlight the most significant powerplants of the new year and beyond. Ferrari V8 The new 4.5-L engine for the 458 Italia challenges turbo units on power and specific output. Ford V6 Significant changes to the Duratec 37 for the 2011 Mustang result in Camaro-beating power with 30-mpg efficiency. Hyundai 2.4 Theta II GDI The company revs output of its four-cylinder family with its first application of gasoline direct injection. Porsche Turbo flat six Direct injection and special dry-sump lubrication boost power and torque of the latest 911 Turbo powerhouse. Toyota V10 Nine years in development by Toyota and Yamaha, the 9000-rpm engine for Lexus' new LFA supercar boasts an abundance of titanium and a unique counterbalancer system.
Magazine

Automotive Engineering International 2010-07-20

2010-07-20
A new Opel-Vauxhall emerges Opel-Vauxhall CEO Nick Reilly is confident of the potential of electric vehicles. Volvo technology enters new era The deal transferring Volvo's ownerhip to the Zhejiang Geely Holding Group is expected to be sealed before the fourth quarter of the year, offering a lower cost base that could see Volvo sales up from about 390,000 this year to a million by 2016. Time for more consultations Lotus Engineering's new director, Dr. Robert Hentschel, thinks hard and often, especially about electric bicycles in China, building bridges to the future, extended-range hybrids, and vehicle links to the infrastructure. Aston Martin rides out the recession The company is relying on a combination of its flexible VH vehicle architecture, a small-car partnership with Toyota, and component multitasking to see it into the future.
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