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Viewing 1 to 30 of 2974
2011-11-08
Technical Paper
2011-32-0601
Cary W. Wilson, Frederick R. Schauer, Paul J. Litke, John L. Hoke, Jon-Russell J. Groenewegen
Many of the engines used in Remotely Piloted Aircraft (RPA), come directly from the remote-control (R/C) aircraft market, which turn a propeller but are not necessarily built for the greatest efficiency or reduced fuel consumption. The DoD “single fuel concept” is pushing these platforms to be able to operate with JP-8 using an Otto Cycle engine. Additionally, with increased environmental concern with fossil fuels, possible future DoD requirements could require the use of bio-derived liquid fuels. The research presented in this paper takes steps to satisfying both the efficiency and single fuel requirements. The Fuji BF-34EI engine was successfully shown to operate effectively with JP-8, Diesel, Algae-based Diesel and Camelina based Hydroprocessed Renewable Jet fuel. When generally compared over the entire engine operating map, between AVGAS and JP-8, the latter is shown to present a 10-20% lower brake specific fuel consumption (BSFC).
2003-08-22
Technical Paper
2003-28-0017
V Sarveswaran, Y V S Murthy (IN), V Ganesan
The modern automobile engine has enjoyed more than a century of continuous development dating back to 1878, when the German engineer, Dr. Nicholas August Otto exhibited his first four-cycle engine. The quests for positive displacement rotary piston machines have attracted the attention of several centuries and actually pre-date the invention of the reciprocat ing piston principles. A bewildering variety of possible rotary engine configurations seem to have been tried and at the same time, confused inventive minds, thereby preventing the early success of purely rotating engines. Over the period of time, engine technology, which was in paper those days staged a come back, and started entering the market. One such, new technology is the Wankel engine development. This engine has already made their impact in the aeronautical field, and its use in automobile field is being explored. These engines are available in both carburetor and Electronic Fuel Injection (EFI) version.
2016-03-01
Magazine
A beast of its own kind The University of Michigan Solar Car Team falls a bit short in 2015 Bridgestone World Solar Challenge, but distinguishes itself nonetheless. Finding career inspiration via algorithm Participation in collegiate engineering competitions can reveal untapped talents and interests. Just ask Ohio State student Katherine Bovee. SAE 2016 World Congress preview Powering Possibilities is Toyota's goal at SAE 2016 World Congress.
2016-02-01
Magazine
Stanford goes solar down under Team takes sixth place in Bridgestone World Solar Challenge to cap a rigorous two-year design and development program. Taking the lead Being in charge of an SAE Student Chapter entails everything from organizing meetings to issuing 'nastygrams.' A winning video from a winning Collegiate Design Series team The defending champion of the Formula SAE Michigan competition, Oregon State University, has found another way to win. SAE U.K. Section co-hosts lecture series 'starring' NASA engineer/expert Dr. Ravi Margasahayam of NASA is the engineer responsible for ensuring payload safety for the Space Shuttle and the International Space Station.
2016-11-16
Magazine
Focus on advanced safety systems and human-factor interventions The impact of REACH on the aviation sector Considered the most comprehensive chemical-regulation legislation to date, REACH presents serious ramifications for the aircraft industry. Lightweighting: What's Next? Experts weigh in on the challenges and future enablers in the battle to reduce vehicle mass. The best of COMVEC 2016 Autonomous vehicles and improved fuel efficiency via advanced powertrain solutions are pressing topics detailed in this select group of technical papers from the SAE Commercial Vehicle Engineering Congress. Optimizing waste heat recovery for long-haul trucks Autonomous solutions in agriculture Downsizing a HD diesel engine for off-highway applications Zero-emissions electric aircraft: Theory vs. reality
2010-04-01
Magazine
Teaming to win Oregon State University and Duale Hochschule Baden-Wurttemberg-Ravensburg announce global formula racing collaboration. Exploring Michigan's solar continuum A look back at the winning car's solar energy management strategy reveals the crucial role of software tools in the success. Engineering is art At Audi, design and engineering work together to create vehicles that meld aesthetics with physical necessity.
2010-09-01
Magazine
High-speed education @ formula hybrid event Annual competition provides a hands-on learning experience for undergraduate and graduate engineering students. Body-shaped for supermileage Six different single-occupant vehicles designed and built by teams of collegiate engineering students snared four-digit fuel economy at Eaton Corp.'s Marshall, MI, test track during the 31st annual SAE Supermileage competition in June. Mercedes-AMG goes with the current flow Opening the doors on new technology. First flight approaches for 'disruptive' new UAV engine An earlier iteration of UAS' Nightwind 2 in flight, powered by an off-the-shelf industrial engine. Three resume tips for college grads Employers often hire recent graduates to mold new hires to their own corporate culture and work philosophy, leading some employers to look more for potential than for specific experience.
2010-10-13
Magazine
Aviation biofuel effort ramps up The key to a vibrant aviation biofuels market is a reliable and plentiful supply of nonpetroleum feedstocks.
2010-02-01
Magazine
Giving the blind the freedom to drive A Virginia Tech student team answers a call to action by the National Federation of the Blind's Jernigan Institute. 'Ultimate Youthmobile' of 2030 At the 2009 LA Auto Show, California designers envision the future. BMW's six-cylinder motorcycle Concept points to possible production bike. Modeling and simulation put emphasis on early planning The shift to model-based design and simulation is changing the way aircraft are designed, shifting the focus to the early phases of development. Early planning is critical for success, as is establishing techniques that ensure that files move freely between various work teams.
2012-01-28
Magazine
Electrochemical reactions Students from the Department of Automotive Engineering at the NED University of Engineering and Technology build the first onboard fuel-cell vehicle of Pakistan. The Baja balance How to combine heavy homework load with your CDS team responsibilities. Embraer progresses on clean-sheet military program It has been over two years since Embraer announced that it would be developing the KC-390 military airlift and tanker jet under a contract with the Brazilian Air Force (FAB), which established the requirements for the aircraft as it did with other Embraer military programs. Calling all recruiters Lack of response to distributed resumes leaves many wondering, is anyone out there?
2012-10-25
Magazine
When fuel cells fly Emerging hydrogen and fuel-cell-based technologies are being developed for the future replacement of onboard electrical systems in more-electric or all-electric aircraft. Motor controls spin forward Improved power handling and software advances make electrified powertrains more competitive. Multiple controllers adds to EV complexity Model-based design has revolutionized the way products are developed, with design shifting from parts to the whole.
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.
2012-05-30
Magazine
Efficient, low-cost power converters for EVs Losses when power converters change the currents, voltages, and frequencies of electrical fees mean efficiencies are in high demand for EVs and everything else electric.
2012-10-24
Magazine
Biofuel advances The aerospace industry remains committed to getting off the ground with alternatives to jet fuel.
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.
2012-01-25
Magazine
Alternative fuels heat up This is a rich time for combustion researchers. The need for better fuel efficiency and improved emissions has never been greater. New software model to help engine makers meet diesel soot standards Simulation enables engineers to predict particulate formation early in the design process.
2012-04-27
Magazine
'Infernal' combustion no more Continuous improvements to the 130-year-old ICE aim to keep conventional engines ahead of electric drive. Alternative fuels tested at altitude Federal government researchers in Canada tested certain alternative fuels at simulated altitudes and found that they do offer some benefit.
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.
2011-06-08
Magazine
Avionics go to war Advanced helmet sight systems are being designed to help the situational awareness of those pilots who actually still fly aircraft, while also being seamlessly integrated with the aircraft itself. Model military engine behavior While the concept of a variable cycle engine is not new, recent advances in engine architecture technology suggest that adding a second bypass stream to a traditional turbofan can provide significant benefits. Alternative seals for alternative fuels When considering seal compatibility an aircraft from traditional jet fuel to a synthetic fuel presents an interesting technical challenge that has both financial and practical considerations, especially for aircraft that are already in service.
2015-05-19
Magazine
Getting greener To meet upcoming fuel economy and emissions regulations, the developmental homogeneous charge compression ignition (HCCI) engine shows promise, but pursuit of more conventional engine technologies may be the better path. Highlights of Baja SAEINDIA The 2015 event, the 8th edition with the theme of Beyond Boundaries, was won by the College of Engineering, Pune. Rise of the underdogs Problem-plagued effort last year spurs Baja SAE team from VIT University of India to overhaul itself and its car. Testing reality in an increasingly complex design space Digital simulation tools have transformed the designing and testing of new aircraft, as well as the way they are manufactured and sustained.
2015-12-01
Magazine
Uncertainty quantification The technique is a must for next-generation simulation tools. Oil-pump sizing Researchers from Hinduja Tech investigate options for low friction and power consumption. The future of Indian commercial aviation The growth in traffic that airport modernization has supported has also made a significant contribution to the local and national economies, while the improved infrastructure has been positive for the perception of India in the global market. Driving EVs toward lower cost The race ison to reduce battery and electric-drive systems cost while improving efficiency. Powering on Rolls-Royce's Chief Engineer discusses new technologies that inspire current R&D design and evaluation work as part of its strategic roadmap for future big commercial programs. HMIs extend beyond the cab Telematic functions are being integrated into multi-function user interfaces.
2014-03-05
Magazine
Into the DEAP The Distributed Electrical Aerospace Propulsion project looks toward a future optimized integrated propulsion system that will allow cleaner, quieter, and more efficient performance to be incorporated into a radically innovative airframe that will feature enclosed electrically powered fans. Managing the deluge of data The model-based development (MBD) process has been a key enabler of technical advancement in the transportation industry; however, the MBD process leads to the generation of large volumes of data artifacts and work products. To maintain efficiency while continuously improving the quality of products, it is necessary to be able to manage this data in an efficient manner.
2014-05-07
Magazine
Defying convention Rapid prototyping has the potential to play a beneficial role in unconventional autonomous airship design. By reducing model cost, build time, difficulty of construction, and maintaining acceptable surface quality and finish, designers have greater ability to analyze several configurations of airships and to change the geometry to increase stability, reduce drag, or fulfill mission requirements.
2014-07-09
Magazine
Simulations for safety Improved design tools let aircraft developers ensure that systems, software, and mechanical elements all work together.
2014-10-01
Magazine
Propulsion: Energy Sources Flying on vegetation Avionics/Electronics Avionics heat up, in a good way Unmanned Vehicles Reaching the benchmark in secure unmanned vehicle software Thermal Management Submersion and directed flow cooling technology for military applications RF & Microwave Technology Airborne antenna considerations for C-Band telemetry systems Software-designed system improves wireless test speed and coverage
2013-08-21
Magazine
Lithium-ion refinement Even as high-profile fires create concern, battery and car makers accelerate their move toward lithium-ion technology with advances in cost, performance, and safety. NASA's quest for maximum efficiency As part of its hybrid body wing aircraft with turboelectric distributed propulsion system, NASA has proposed to use a superconducting and cryogenic electrical system to connect the electrical output of the generators to the motors.
2011-10-28
Magazine
Running on fumes The trials and tribulations of a team of engineers as it strives to build a high-mileage vehicle from the ground up. BYU team brings clean water to Tanzania For its capstone project, a Brigham Young University team designed and implemented a human-powered drill with motorized functionality to provide the much-needed resource to remote populations in Africa. Mizzou Engineering Electric Car Club contributes to national safety effort University of Missouri students gather data for hybrid and electric vehicle first responder materials. Hyundai introduces Veloster The new coupe is obviously something different from a styling standpoint, and a second rear-access door on the passenger's side just adds to that distinction.
2011-09-29
Magazine
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.
2011-11-30
Magazine
The buzz about electric aircraft Emissions limits force the aviation industry to study hybrid and battery-electric propulsion systems. Car-to-X marks the secure beamforming spot Intelligent networking of cars and infrastructure promises a future of enhanced active safety and traffic efficiency, though as an open and decentralized system, car-to-X is exposed to various attacks against security and driver's privacy. Talking big A look at factors that should be considered by OEMs when implementing a telematics solution in the heavy-duty on- and off-highway mobile equipment markets.
2011-02-23
Magazine
Bringing the Leaf to life Chief Engineer Hidetoshi Kadota leveraged 20-plus years of electrification experience in the development of Nissan's new EV. Making a mass-market EV Nissan's Director of Product Planning and Advanced Technology Strategy details the leaf's journey from concept to production. Power from within A new motor and inverter system have been developed simultaneously as the dedicated electric powertrain of the Nissan EV. Staying within range The Leaf comes standard with many features designed to help ease fears of running out of "juice."
Viewing 1 to 30 of 2974

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