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with technologies such as direct fuel injection, variable valve timing, exhaust-driven turbochargers, brake energy regeneration and Auto Start Stop function—about 60% of the generated energy is still lost, half of it being exhaust heat, with the remaining half as heat absorbed by the engine cooling system. Click to enlarge.
Before they can be used, however, it is essential to understand their physical properties, combustion chemistry, and characterization of the exhaust due to a number of issues associated with fuel properties—for example, a lower heating value and higher cloud point than regular diesel. Kumar et al.
Agilyx Corporation, a startup commercializing a waste plastic to synthetic crude oil technology, has closed a $22 million Series B round led by Kleiner Perkins Caufield & Byers (KPCB), and joined by new strategic investors, Waste Management, Inc.
Since forming in 2013, Argent Materials, a San Francisco Bay Area recycler of concrete and asphalt, and supplier of aggregate such as crushed rock, entry, cutback, sand, backfill and base rock for construction projects, has diverted more than a billion pounds of waste from local landfills. —Bill Crotinger.
Opcon, in collaboration with Wallenius Marine, recently completed the first reference installation of its Waste Heat Recovery technology for ocean-going vessels in a project supported by the Swedish Energy Agency. The Opcon systems generate electricity from low-value waste heat in the vessel’s steam and cooling system. Earlier post.)
ORegen is the largest organic rankine cycle single unit available in the market for gas turbines waste heat recovery. GE Oil & Gas has received a contract to supply the ORegen system to NRGreen Power, which is coordinating the project. The fluid vapor then condenses, closing the loop.
ElectraTherm, a leader in distributed, waste heat to power generation, is working with the Office of Naval Research (ONR), Creare, and the US Naval Academy (USNA) to demonstrate gas turbine waste heat recovery as part of a Small Business Innovation Research project. Hot water is the only fuel consumed by the Power+.
Alfa Laval offers a range of oil-fired and oil and exhaust gas-fired boilers for ships. The oil-fired Aalborg OS-TCi is supplied as a pre-assembled boiler unit with an integrated pressure atomizing burner (KBM burner) controlled and monitored with Aalborg Laval Touch Control system.
MHI) has developed a generator-integrated hybrid turbocharger for marine propulsion diesel engines which utilizes engine exhaust gas not only to drive the turbocharger but also to generate electricity. Mitsubishi Heavy Industries, Ltd. Cutaway view of MET83MAG hybrid turbocharger. Click to enlarge.
An advanced waste heat recovery system captures and reuses energy from the engines’ exhaust gas for extra propulsion with less fuel consumption. Fuel consumption is 168 grams bunker oil per kWh produced. Waste heat recovery. When exhaust gas leaves the engine, it has a very high heat potential.
Cyclone Power Technologies, developer of the external combustion Cyclone Engine, announced that the US Patent and Trademark Office has allowed the company a patent on its scalable waste energy recycling engine known as the WHE (Waste Heat Engine). Earlier post.)
Schlumberger, a new investor from the oil and gas industry, led the round with participation from GM Ventures and Osceola Capital Management, LLC. The new capital will be used to scale Alphabet Energy’s production for the oil and gas and automotive industries, both under intense regulatory pressure to curb emissions.
Lux Research has investigated the trends of corporate financing of alternative fuels from oil majors, based on a non-exhaustive database of more than 1,000 deals and partnership engagements from 2000 through September, 2014. Less active oil majors in this space include ExxonMobil and ConocoPhillips.
Neste Oil, the Port of Rotterdam, and the Rotterdam Climate Initiative have launched a trial in which a Port Authority patrol boat will run for an extended period on Neste Oil’s NExBTL renewable diesel. The new trial launched by the Port of Rotterdam marks a new and positive step forward for Neste Oil.
Researchers from Idaho National Laboratory (INL) and GE Global Research are collaborating on a two-year, public-private partnership project designed to optimize an Organic Rankine Cycle (ORC) process to convert low-temperature waste heat (below 500 °) from gas turbine or reciprocating engine exhaust to produce electricity.
As a result, shipbuilders and operators around the world are seeking environmentally friendly alternatives to conventional ship engines powered by fuel oil or diesel. It is then fed into the engine, which it drives by burning in a conventional combustion engine and generates absolutely no exhaust gases that are harmful to the climate.
Producing energy using gas from these applications which is otherwise flared avoids the need to use non-renewable resources such as coal, oil, or natural gas to produce an equivalent amount of energy. It also entered into a three-year OEM agreement under which CPS will supply its new 125kW waste heat recovery generator system.
Piston cooling jets, located at the bottom of each cylinder, contribute to fuel economy by squirting oil on the bottom of the pistons to help maintain cylinder temperatures and reduce the possibility of hot spots along the cylinder walls or at the top of the piston that could lead to detonation. This high-performance 1.4-liter
The company also announced it will partner with Borla jointly to develop and to commercialize a next-generation-exhaust system incorporating PowerModules, with the goal of delivering significant fuel savings for commercial fleet truck fleets. Now, almost any owner of exhaust heat can generate valuable electricity.
Included in the 34 FY2010 SBIR Phase I awards are the following biofuel and emissions-reduction projects: Technology Specialists, “Thermochemical Biofuels Production from Biomass Waste Materials”, $70,000. This project will develop and evaluate a new process for converting biomass waste into diesel fuel.
Kreutz used two examples of CCTF systems in his analysis: biodiesel from microalgae and Sandia National Laboratory’s S2P process (an effort to utilize concentrated solar energy to convert waste CO 2 into synthetic fuels, earlier post ). emissions. In CCTF, the source of CO 2 determines the net carbon intensity of the fuel, Kreutz says.
Cyclone has teamed with OSU CAR to assist in the commercialization of its external combustion engine technology, specifically the company’s Waste Heat Engine (WHE) model. OSU CAR will initially perform finite element and dynamic stress analysis of the engine, followed by independent long term durability testing.
Among the projects discussed were reducing cold starts; using waste heat for different heating applications in the car; and a new implementation of a thermoelectric generator (TEG) for waste heat recovery. Heating with waste heat. Encapsulating the engine for heat retention. Click to enlarge. No more cold starts.
We then multiplied the sources of electrical energy for power units by adding solar panels and installing an exhaust gas heat energy recovery system based on the Rankine cycle. Waste heat recovery. Renault Trucks has developed a system to recover the waste heat contained in exhaust gases. and distributes it in real time.
Recycling Technologies is industrializing a process—originally developed at the University of Warwick (UK)—to convert residual plastic waste into a low-sulfur hydrocarbon compound called Plaxx. Plaxx is created from residual mixed plastic waste that is not amenable to direct recycling and would otherwise go to landfill.
No oil or other lubricants are needed, so maintenance is extremely low and the need to dispose of hazardous materials is eliminated. A patented combustion system achieves extremely low exhaust emissions that do not require expensive exhaust after treatment to meet stringent California Air Resources Board and EPA 2010 requirements.
The backhoe loader is perfectly suited for electrification as the varied use cycles, from heavy to light work, provide an excellent opportunity to convert wasted diesel engine hours into zero consumption battery time—yet provide the operator with instantaneous torque response when needed.
In the study, the team examined the relationships between biodiesel fuel blend, exhaust particle oxidative potential (OP), and PM composition. OP in oxidized aerosols, including engine exhaust, is commonly quantified using the DTT (dithiothreitol) assay. PM-normalized DTT Activity for biodiesel exhaust PM.
The funding will be used for the design of a demonstration system that will capture carbon dioxide from exhaust stacks at Honeywell’s manufacturing facility in Hopewell, Va., The RTP system can be used to convert waste biomass from the algae production into pyrolysis oil, which can be burned to generate renewable electricity.
Increased efficiency in all of the new Ecotec engines is achieved in part through lower engine friction, which was reduced by up to 16% using new technologies such as a variable-displacement oil pump. Modular balance shaft system in the oil pan. Rotocast aluminum cylinder head with sodium-filled exhaust valves.
This means that the turbocharger and the exhaust manifold are now positioned at the rear, on the side of the firewall when viewed from behind. Furthermore, the new arrangement allows much improved air ducting with shorter distances and fewer diversions - both on the intake and exhaust side. Turbocharger.
A sole single-stage compressor and single-stage exhaust turbine are used for pressure charging. Unlike previously where two exhaust tailpipes were used, the 2014 regulations mandate the use of a single, central exit tailpipe through which all exhaust gases must pass. This requires thinner, faster flowing oil.
According to MAN Engines, all MAN off-road engines from the current product portfolio can be operated with regenerative diesel—also known as HVO (hydrogenated vegetable oil)—in accordance with the EN15940 standard in Europe or the US specification ASTM D975.
These projects will receive more than $115 million in funding to develop and demonstrate systems-level fuel efficiency technologies by 2015, including improved aerodynamics, reducing engine idling technologies, waste heat recovery to increase engine efficiency, advanced combustion techniques, and powertrain hybridization. 38,831,115.
bar) is achieved by applying high- or low-pressure exhaust-gas recirculation loops. By adding an exhaust gas turbocharger to the base 1.0L Splash oil cooling was provided in the engine block to compensate for the increased introduction of heat into the piston crown, and to reduce NO x emissions. Operation at high loads (13.5 <
This project will research, develop, and demonstrate polyalkylene glycol (PAG)- based engine oil technology which can reduce engine friction relative to conventional petroleum-based and synthetic oils. . $1,497,531. Ford Motor Company. Oak Ridge National Laboratory (dba UT-Battelle, LLC). General Motors, LLC. GMZ Energy, Inc.
During deceleration and under braking, the electric motor acts as high-output generator to effect regenerative braking, optimizing energy management in the Lexus Hybrid Drive system by recovering kinetic energy (normally wasted as heat under braking and deceleration) as electrical energy for storage in the high performance battery.
The greatest carbon emission reduction—90%—can be reached when fossil diesel is replaced with neat or 100% Neste MY Renewable Diesel refined entirely from waste and residue raw materials, such as animal fat from meat processing waste, used cooking oils, and waste and residues from vegetable oil processing.
Fuel cells are also sensitive to oil admixtures. The electric compressor used to compress the supply air flow must therefore be oil-free. This also applies to the shaft bearing, as even small quantities of oil can cause irreversible damage. Exhaust pathway. Compressor. Vehicle acoustics also affect air management.
The most important aspects, apart from the gas supply system, are: Control oil supply for actuation of gas injection valves; and. All failures detected during gas fuel running, including failures of the control system itself, will result in a gas fuel stop/shutdown and a changeover to HFO (heavy fuel oil) operation.
PME= palm oil methyl ester, RME = rapeseed methyl ester, SME = soy methyl ester, WME = waste cooking oil methyl ester, FTD = Fischer-Tropsch diesel, HBD = hydrogenated biodiesel. JAMA bases its postion on the results of study from the Japan Auto-Oil Program subsidized by Japan’s Ministry of Economy, Trade and Industry (METI).
Locked converter operation at lower speeds means less wasted heat energy and better fuel economy. Too much pressure wastes fuel. The first step in cleaning the diesel exhaust occurs when the exhaust stream enters the Diesel Oxidation Catalyst (DOC). This twist mixer evenly distributes the ammonia within the exhaust flow.
Use of the Atkinson cycle provides an increased expansion ratio and reduces waste heat through a high compression ratio (13.5), resulting in superior thermal efficiency. Low friction. One of the engines is a 1.3-liter
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