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However, during development, the project team was able to exceed the program expectation for engine-out NO x and exhaust temperature control in the catalyst warm-up mode and concluded that the tailpipe NO x targets can be met without the close coupled light-off SCR. The OP engine operates at nearly ideal temperature range.
In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). As a result, distance-specific mass and number emissions can be derived, which can then be compared to equivalent tire metrics.
Crowley Engineering Services has completed the design of the first fully electric US tugboat with autonomous technology. The design also supports fully customizable features to meet the vessel design requirements with the future in mind. The fully modular batteries allow for upgrades as electric technology changes.
CMAL) to partner in designing a hydrogen fuel-cell sea-going passenger and car ferry—a first for Europe. Partner Kongsberg Maritime designed the comprehensive testing regime to investigate whether the system would be suitable for handling and responding to demands that normally occur during normal sea-going operations.
One of its outstanding features is the in-line six, which meets the EU Stage V emission standard for locomotives without the need for an exhaust after-treatment system (EATS). The MAN D3876 LE63x meets EU Stage V for locomotives without the need for exhaust after-treatment systems.
liter turbocharged M139 engine featuring an electric exhaust gas turbocharger. The electric exhaust gas turbocharger solves the conventional trade-off between a small, responsive turbocharger yielding a lower total output and a large turbocharger capable of high peak power with less responsiveness. An electric motor around 1.6
With SCR twin dosing technology in the exhaust gas system, the diesel unit now undercuts the Euro 6d emission standard limits while also running quietly and smoothly, according to the company. The four-cylinder TDI engine with the internal designation EA 288 made its debut in 2012. As previously, the 2.0
GE Aviation has completed the initial design of the first supersonic engine purpose-built for business jets. It is designed to enable efficient supersonic flight over water and efficient subsonic flight over land, without requiring modifications to existing compliance regulations. A special, non-augmented supersonic exhaust system.
Marine engine designer and power system integrator WinGD and engine builder Hyundai Heavy Industries’ Engine Machinery Division (HHI-EMD) will strengthen their collaboration by partnering to develop environmentally sustainable two-stroke engine technology. It is possible to recirculate exhaust gas up to a maximum rate of 50% mass flow.
Designed by LMG Marin (Norway), part of the Sembcorp Marine group, to deliver 65T Bollard Pull (BP) with ABS Class, the LNG-hybrid tug is estimated to be completed in the later part of 2021. This is the first LNG-hybrid tug to be powered by mtu gas engines. The new engines are part of Rolls-Royce’s Green and High-Tech program.
In 2022, the fourth evolution of the EA888 pushes state-of-the-art turbocharged engine design further still; it is one of the most advanced Volkswagen engines ever built. This placement allows for rapid warm up and greater thermal management of the exhaust stream, increasing efficiency. 1 for the Golf R and 9.6:1 1 for the GTI.
Achates Power will begin the study and design of the initial tactical vehicle concept engine and has selected Southwest Research Institute (SwRI) to contribute its expertise in advanced materials to reduce heat rejection and improve power density and efficiency. The variable flow lube pump helps maintain engine efficiency.
Ricardo, in collaboration with the Arup AECOM consortium, is supporting the UK Department for Transport (DfT) in developing a system for measuring non-exhaust emissions (NEE) of particles, under real-world driving conditions. —“ Non-exhaust Particulate Emissions from Road Transport : An Ignored Environmental Policy Challenge ”.
Combustion exhaust is directed to the fuel cell, which produces power while capturing and concentrating carbon dioxide for permanent storage. The modular design enables the technology to be deployed at a wide range of locations, which could lead to a more cost-efficient path for large-scale deployment of carbon capture and sequestration.
Exhaust cooling starts with the computer-optimized exhaust valve shape and is further enhanced by the integrated exhaust manifold and cylinder head design that uses the same water jacket to lower exhaust gas temperature entering the turbochargers to further improve reliability and performance.
Many of the latest automotive trends seem designed to hurt the feelings of enthusiasts and appease various government ordinances. A prime example of this is companies quieting down exhaust noises and piping simulated sounds into the cabin. It’s for the design”. It has actually been a minor trend on the Chinese market for years.
The EPFL system captures CO 2 directly in the trucks’ exhaust system and liquefies it in a box on the vehicle’s roof. First, the vehicle’s flue gases in the exhaust pipe are cooled down and the water is separated from the gases. Researchers at EPFL have patented a new concept that could cut trucks’ CO 2 emissions by almost 90%.
Alfa Laval offers a range of oil-fired and oil and exhaust gas-fired boilers for ships. Top-fired and available in two different design pressures, the Aalborg OL is a vertical, two-drum cylindrical boiler. Results from field testing will be crucial in fine-tuning the methanol boiler solution and arriving at a commercial design.
For example, the geometry of the piston recess, the injection nozzle design and the parameters of the cylinder head relevant for gas exchange were subject to an extensive optimization process. Newly-developed exhaust gas aftertreatment system. 1; this leads to more efficient combustion with a peak ignition pressure of 250 bar.
Two basic design approaches have emerged: the first is a structure with two opposed combustion chambers; the second, a structure with one combustion chamber and one gas spring chamber. Poppet valves seated in a water-cooled cylinder head were actuated by hydraulic valve trains to control exhaust valve timing. Click to enlarge.
Under the JDP, WinGD will oversee combustion and injection research, exhaust aftertreatment requirements and engine concept design. HSD Engine will provide support on cost-effective manufacturing and assembly, provide engine testing capabilities and deliver fuel supply and exhaust aftertreatment systems.
Collectively, these standards are designed to reduce tailpipe NO x emissions up to 90%, accelerating the need for global engine manufacturers to employ additional emissions-reduction strategies such as electric catalyst heating.
Certification in accordance with the Euro 6d standard (RDE stage 2) not prescribed for new models until 1 January 2020 is possible due to measures including extended exhaust gas aftertreatment with an additional underbody SCR catalytic converter including ammonia slip catalyst (ASC) in the underbody.
With the most recent design, an increase of the efficiency level of around 1–2 percent-points can be expected. The engine was also equipped with an electrically driven volumetric pump in the exhaust gas recirculation (EGR) path which gives the freedom to set any desired EGR rate, independently from the pressure ratios across the turbocharger.
Extensive modifications to the drive, chassis, design and equipment will provide the hallmark AMG driving experience with all-electric drive. The power of the electric motor is applied immediately with full torque, a characteristic of the design. The system is designed to ensure even heat distribution in the battery.
Using this methodology, we rapidly identify high-cycle-life charging protocols among 224 candidates in 16 days (compared with over 500 days using exhaustive search without early prediction), and subsequently validate the accuracy and efficiency of our optimization approach. This process iterates until the testing budget is exhausted.
—Prof Green To implement such a design, the team aims to modify the truck’s powertrain to allow onboard hydrogen release from the LOHCs, using waste heat from the engine exhaust to power the dehydrogenation process. Proposed process flow diagram for onboard dehydrogenation.
Astroinno battery pack The Astroinno battery pack adopts sandwich-structure double-sided liquid cooling technology and a minimalist design approach, which reduces the number of structural parts of the battery pack by 45% and lowers the weight of structural parts by 32%. Earlier post.)
An integrated exhaust manifold that is part of the cylinder head assembly and recovers exhaust heat for faster engine and transmission warmup, with quicker turbo response. Turbo engine represents a clean-sheet design for Chevrolet and was developed from the outset as a truck engine. inches (102 mm). All elements of the 2.7L
The 580 EV backhoe loader showcased at CONEXPO-CON/AGG 2020 includes MICHELIN CrossGrip tires that feature a non-directional tread design and provide exceptional handling, comfort and high-load capacity for operation on a variety of surface conditions from asphalt to snow.
In a typical ORC design, a thermal energy source feeds an evaporator to drive an expander or “reverse compressor”, which in turn generates the electricity. These include exhaust gas waste heat, which accounts for 50% of the energy from combusted fuel, but also liquid sources at lower temperatures, such as engine jacket water.
In a paper presented at the 2019 Vienna Motor Symposium this week, Delphi Technologies will unveil a new 500+ bar GDi system that can reduce particulate emissions by up to 50% compared to state-of-the-art 350 bar system without expensive engine design modifications. Delphi 500+ bar GDi pump. —Walter Piock.
The design goal for the genset unit is 5kW @ 1800 rpm, greater than 36% BTE, and CARB2007 emissions. The working fluid is induced and compressed in a dedicated cold-cylinder (left), transferred and combusted via the CTM (top), and subsequently expanded and exhausted in a dedicated hot-cylinder (right). (B) respectively.
Initially this was through evolution and optimization of the control systems, improvements in the oil and cooling designs, turbocharging technology and more effective injection and combustion processes. Twin-scroll turbochargers minimize turbo response time and provide a more efficient exhaust package.
An eight-speed automatic transmission is standard and is designed to handle the increased torque output. FCA US engineers adapted the engine—designed and manufactured by FCA EMEA —to meet the NAFTA region’s regulatory requirements. Body-on-frame design. Transmissions. 1 first gear ratio coupled with a 4.1:1
with an Approval in Principle (AiP) for its Kamsarmax GF Bulk Carrier, which has been designed for dual-fuel operation, using both Liquefied Natural Gas (LNG) and Fuel Oil. Regulations on exhaust emissions from ships are becoming stricter and the demand for compliant ships is increasing. LR has awarded Tsuneishi Shipbuilding Co.,
The characteristics of the engine include the stepped-bowl combustion process, two-stage exhaust turbocharging as well as the use of CAMTRONIC variable valve timing. This heats up the exhaust system without driving up fuel consumption. It is designed to send 40% of the drive torque to the front axle and 60% to the rear axle.
Supported by the German Federal Ministry of Economics and Technology (BMWi), and due to run for three years from December 2020, project partners include the University of Munich, Neptun Ship Design, WTZ and Woodward L’Orange. Such scalable components are a prerequisite for the introduction of ammonia engines in shipping.
for XSE grade, which uses a dual-outlet exhaust). Most AWD grades have 202 hp, while the Camry XSE AWD grade has 205 hp with dual exhaust. A variable cooling system, variable oil pump and a cooled exhaust gas recirculation (EGR) system all contribute to the engine’s high thermal efficiency and outstanding fuel economy.
Southwest Research Institute (SwRI) is helping a client develop a simple post-refinery treatment process that reduces exhaust emissions from diesel engines by overcoming the soot/nitrogen oxides (NO x ) reduction trade-off that has plagued engine researchers for decades.
The Flameless Ceramic Turbine combines flameless combustion technology and innovations in ceramic design to deliver demand-responsive power without the emissions. IPG‘s flameless combustor uses the turbine exhaust and high heat transfer effectiveness through the IPG regenerator unit.
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. This configuration allows the flattest possible and aerodynamically advantageous front section design. The intake system is therefore positioned at the front. Turbocharger.
Volvo Trucks unveiled Vera : an autonomous, electric vehicle that can operate with significantly less exhaust emissions and low noise levels. Since we use autonomous vehicles with no exhaust emissions and low noise, their operation can take place at any time of day or night.
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