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Proxima detailed its fully integrated stellarator power plant concept, called Stellaris, in the journal Fusion Engineering and Design. Proxima has applied for a patent on an innovative liquid-metal breeding blanket, which will be used to breed tritium fuel for the fusion reaction, via the reaction of neutrons with lithium.
Videos of the attempts are comical, although any laughter comes at the expense of the many engineers who spent countless hours and millions of dollars to get to that point. Its definitely a testament to what can be accomplished when engineers rise to a challenge. military was Oshkosh Truck, the Wisconsin-based sponsor of the TerraMax.
The rapid development of AI is fueling a data center boom, unlocking billions of dollars in investments to build the infrastructure needed to support data- and energy-hungry models. Engineers Are Key to AI Infrastructure Big tech companies are increasingly searching for electrical engineers to scale their data infrastructure.
In a paper presented at the 2013 SAE World Congress, a team from the University of Wisconsin reported a gross indicated thermal efficiency of Reactivity Controlled Compression Ignition (RCCI) operation of near 60%, given optimized combustion management and thermodynamic conditions. RCCI basics. Earlier post.). —Splitter et al.
Hydrogen Engine Center, Inc. HEC) and Wisconsin Motors (WM) have signed an agreement to form Oxx Power Continental, a joint venture, to produce a wet-sleeve version of the Oxx Power 4.9L six-cylinder engine. The new engine will replace both the Ford F300 and the Oxx Power 4.9L engines in the industrial market.
In a presentation at the SAE 2014 High Efficiency IC Engine Symposium and then in a paper given at SAE 2014 World Congress, Mark Sellnau, Engineering Manager, Delphi Advanced Powertrain, reported that Brake Specific Fuel Consumption for the 1.8L Vehicle fuel efficiency on FTP. +35% Earlier post , earlier post.).
The University of Wisconsin is offering an Internet-delivered Master of Engineering in Engine Systems (MEES). The MEES program incorporates the latest in research from the UW Engine Research Center. Comparatively assessing alternative fuels and engines. Comparatively assessing alternative fuels and engines.
Researchers at the University of WisconsinEngine Research Center ( ERC ) led by Dr. Rolf Reitz are developing a dual-fuel compression-ignition engine low-temperature combustion (LTC) strategy called reactivity controlled compression ignition (RCCI) ( Earlier post.) Improving RCCI results in a light-duty engine.
Raven SR plans to use INNIO’s Jenbacher engines [60 Hz] with a “Ready for H2” option to produce renewable energy. At the site, landfill gas (LFG) will be the primary fuel to provide power for the non-combustion process that converts waste to hydrogen. The hydrogen product will be resold to power fuel cells in heavy-duty trucks.
Achates Power was awarded a $5-million cooperative agreement from the US Department of Energy in 2020 for a new two-cylinder prototype demonstration and concept design of a next-generation medium-duty commercial vehicle opposed-piston engine. ITCA will provide vehicle and engine requirements and benchmark information.
Several organizations, encompassing companies, research labs, and academia, have formed the Hydrogen Opposed Piston Engine Working Group. The Working Group consists of members undertaking research and development in the field of hydrogen combustion in an opposed-piston engine. with an air/fuel equivalence ratio (lambda) ?
A team from the University of Wisconsin and General Motors has found that high-speed gasoline direct injection compression ignition (GDICI) operation in the low temperature combustion (LTC) regime in a light-duty diesel engine is feasible. On the contrary, gasoline fuels have CN lower than 30 (or RON higher than 60).
The dual-fuel PCCI strategy showed thermal efficiency of 53%. Emissions under the dual-fuel concept, at 11 bar IMEP. The University of Wisconsin concept proposes the use of dual fuel tanks, with port fuel injection of gasoline and direct injection of diesel, with the in-cylinder mixing of the fuels.
One high-efficiency combustion concept under investigation is gasoline compression ignition (GCI)—the use of gasoline-like fuels to deliver very low NO x and PM emissions as well as high efficiency in a diesel compression ignition engine. direct-injection light-duty diesel engine. direct-injection light-duty diesel engine.
Researchers at the University of Wisconsin-Madison have investigated blending the benefits of reactivity controlled compression ignition (RCCI) and gasoline compression ignition (GCI) using QuantLogic’s novel adaptive dual-fuel injector which is capable of direct injecting both gasoline and diesel fuel in a single cycle.
The University of Wisconsin-Madison Hybrid Vehicle Team will work with the UW-Madison Engine Research Center to test implementations of Reactivity Controlled Compression Ignition (RCCI) engines being developed by UW mechanical engineering professor Rolf Reitz and his colleagues. Earlier post.). —Glenn Bower.
SAE’s 2012 High Efficiency IC Engine Symposium in Detroit—the second as an immediate precursor to the SAE World Congress—opened on Sunday with a consideration of several alternative engine designs: opposed piston 2-stroke (Achates Power); variable compression ratio (MCE-5); split cycle (Scuderi); and advanced rotary (Liquid Piston).
Odyne Systems, LLC has delivered seven trucks featuring the Odyne plug-in hybrid propulsion system to utilities and municipalities throughout Wisconsin. The new units are anticipated to deliver fuel efficiency over a conventional truck of up to 50% annually, depending upon the use of the truck. Manufactured by DUECO, Inc.
Researchers at the University of Wisconsin led by Dr. Rolf Reitz are developing a dual-fuel compression engine combustion strategy called reactivity controlled compression ignition (RCCI) to simultaneously reduce fuel consumption and regulated emissions of NO x and PM. Earlier post.).
The newly selected projects are in five areas: energy storage; power electronics and electric motors (PEEM); advanced combustion engines; materials technologies, and fuels and lubricant technologies. University of Wisconsin - Madison. Advanced combustion engines (Area of Interest 3). Alternative Fuel Ignition.
FACE developed nine fuels. Researchers at the Engine Research Center, University of Wisconsin—Madison, are now proposing surrogate models for these nine fuels developed for studying low-emission, high-efficiency advanced diesel engine concepts. Flowchart showing the surrogate formulation method. Click to enlarge.
A research team at the University of Wisconsin–Madison has identified a new way to convert ammonia to nitrogen gas through a process that could be a step toward ammonia replacing carbon-based fuels. Ammonia has been burned as a fuel source for many years. For a fuel cell, we want an electrical output, not input.
The capital raise will fund the further development and deployment of Optimus’ Vector System, an advanced fuel system technology which enables medium- and heavy-duty diesel engines to operate on 100% biodiesel. The Vector System is an advanced fuel system upgrade that integrates into existing engines without significant modifications.
conducted the first original equipment manufacturer test flight of an ultralong-range business jet powered by 100% Sustainable Aviation Fuel (SAF). SAF is typically a blend of a renewable synthetic paraffinic kerosene (SPK) fuel—such as HEFA—and petroleum-based Jet A fuel. Rolls-Royce and Gulfstream Aerospace Corp.
Reaction pathways for conversion of GVL to butenes and CO 2 , and the integrated conversion of GVL to both a liquid stream of alkenes for use in transportation fuels and a gaseous stream rich in CO 2 that is appropriate for further processing options. Valerolactone to Liquid Alkenes for Transportation Fuels. Credit: Bond et al.,
Other fuels that play a role in commercial trucking include gasoline (23%) and compressed natural gas (0.4%). This enables new diesel engines to achieve near-zero emissions with increasing fuel efficiency and lower carbon dioxide (CO 2 ) emissions. Electric and other categories each register less than 1%. Washington D.C.
Single-cylinder Achates research engine installed in test cell. g/kWh BSFC for the Achates engine, versus 239.9 g/kWh for the reference engine. g/kWh BSFC for the Achates engine, versus 239.9 g/kWh for the reference engine. Specs for medium-duty Achates engine. Source: Achates Power. Click to enlarge.
Martin Wissink from the team presented a paper on the work at the ASME 2012 Internal Combustion Engine Division Fall Technical Conference in Vancouver, BC, this week. By using two different fuels, both the reactivity and equivalence ratio are stratified throughout the cylinder. Wissink et al. Click to enlarge. Earlier post.)
Johnson Controls will fund two multi-year research projects at the University of Wisconsin–Madison (UW–Madison) aimed at enhancing the fuel efficiency of start-stop and next-generation battery-electric vehicles. This can provide up to 5% more fuel efficiency and reduced CO 2 emissions.
Reaction Design, a leading developer of combustion simulation software and the leader of the Model Fuels Consortium (MFC, earlier post ), introduced FORTÉ—an advanced computational fluid dynamics (CFD) package for realistic 3D modeling of fuel effects in internal combustion engines.
Researchers at the University of Wisconsin-Madison have used computational fluid dynamics modeling to investigate cycle-to-cycle instability of homogeneous charge compression ignition (HCCI) and reactivity-controlled compression ignition (RCCI) engines—two approaches to low-temperature combustion.
WisconsinEngine Research Consultants (WERC, LLC) last week was awarded $1.5 million by the US Department of Energy’s Office of Energy Efficiency and Renewable Energy as one of 40 projects to target new innovations and accelerate the development of the next generation of fuel-efficient vehicles. for the heavy-duty engine tests.
The hydrogen chemical energy is converted to electrical energy through a series of fuel cells, which drive the ultra-efficient electric propulsion system. —Phillip Ansell, assistant professor in the Department of Aerospace Engineering at Urbana-Champaign and principal investigator. University of Wisconsin, Madison.
Researchers at the University of Wisconsin-Madison and the Great Lakes Bioenergy Research Center (GLBRC) and colleagues have engineered a new strain of the yeast S. The development could improve the efficiency of making fuel from cellulosic biomass such as switchgrass. As our discovery system is based on S.
Reaction Design has posted a short video of Dr. Rolf Reitz of the University of Wisconsin—the leader of the development of RCCI combustion ( earlier post ), among other things—describing the utility of 3D simulation and fuel chemistry in engine research.
Researchers at the US Army Research Laboratory’s (ARL) Combustion Research Laboratory are working to develop engines optimized to run on JP-8 for use in military ground vehicles, stationary power generators, and small unmanned aerial vehicles. JP-8 is a kerosene-base jet fuel, similar to Jet-A for commercial aviation.
The US Office of Naval Research (ONR) has awarded a team led by Dr. Rolf Reitz at the University of Wisconsin-Madison a $2-million grant to develop a tool to characterize the performance of hydrogenated vegetable oil (HVO) drop-in fuels.
Virent has delivered 100 gallons of its bio-based jet fuel to the US Air Force Research Laboratory (AFRL) for testing purposes. The validation plan includes fit-for-purpose, fuel system and combustor rig testing. The plant was constructed at the company’s facility in Madison, Wisconsin under a $1.5-million
A study by Sage Kokjohn, Senior Engineer in Combustion Research at Cummins Inc., Rolf Reitz of the University of Wisconsin found that reactivity controlled compression ignition (RCCI) ( earlier post ) in a light-duty engine can meet Tier 2 Bin 5 NO x levels without aftertreatment, while offering a 4% improvement in fuel consumption and 7.3%
Preliminary results from a new study by a team from Oak Ridge National Laboratory (ORNL) and the University of Wisconsin suggest that the fuel properties of moderate biofuel blends such as E20 and B20 increase the benefits of the use of Reactivity Controlled Compression Ignition (RCCI). Earlier post.). —Hanson et al.
Turbocharged HCPC engine scheme. A team from Universita degli Studi di Pisa (Italy) and Rolf Reitz at the University of Wisconsin-Madison are proposing a novel combustion concept—Homogenous Charge Progressive Combustion (HCPC)—based on a split-cycle principle to control HCCI combustion in diesel-fueledengines.
A team at the University of Madison-Wisconsin studied critical sooting equivalence ratios and subsequent particulate formation during spark-ignition combustion for blends of ethanol, isobutanol (2-methyl-1-propanol), and methylbutenol (2-methyl-3-buten-2-ol) with gasoline using premixed prevaporized (PMPV) fueling. 2022.124638.
A University of Wisconsin-Madison research team has developed a chemical process for the hydrolysis of biomass into sugars for subsequent processing into fuels and chemicals that delivers sugar yields approaching those of enzymatic hydrolysis. Tags: Biomass Cellulosic ethanol Fuels. —Binder and Raines. Binder and Ronald T.
Researchers from Michigan State University and the University of Wisconsin-Madison and their colleagues report successfully engineering poplar trees to produce lignin that degrades more easily, thereby lowering the effort and cost to convert wood to biofuel. Biomass Biotech Fuels' Source: GLBRC. Click to enlarge.
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