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Purem by Eberspaecher is introducing efficient exhaust technology for hydrogen engines. At the Hannover Messe, the company will be presenting its H 2 -ICE exhaust system for the first time. The H 2 -ICE exhaust system for hydrogen engines from Purem by Eberspaecher. These systems are now being adapted to the CO 2 -neutral fuel.
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.
Colorado State University has obtained a 5-year, $5-million grant from BP to study mechanisms involved with technology for oil recovery from “watered-out” wells. Upward of 70% of the petroleum can remain in the rock formations of many watered-out wells. 2000) Water Control. Bill Bailey et al. Oilfield Review.
In cooperation with a major European supplier, a new oil-lubricated common-rail pump had therefore been developed. An electrically driven compressor for precise exhaust gas recirculation is also used. Then we modify the timing and pressure of the injection, among other things, and look at exhaust emission values and fuel consumption.
Researchers in Germany and Finland report the first online measurement of gaseous sulfuric acid (GSA) in the exhaust gas of a modern heavy-duty diesel engine in an effort to quantify the role of low-vapor-pressure gases in the formation of nucleation particles (NUP). of hydrocarbons) significantly. of hydrocarbons) significantly. Pirjola, T.
Alfa Laval offers a range of oil-fired and oil and exhaust gas-fired boilers for ships. Straight tubes connect the water and steam drums directly, which ensures safe circulation with no risk of overheating and subsequent tube burnout. Source: Alfa Laval.
Argent has a fleet of about 20 pieces of equipment comprising wheel loaders, excavators, bobcats and a couple of water trucks. We have noticed that the exhaust appears cleaner and seems less toxic. Western States Oil, headquartered in San Jose, Calif., Our experience has been positive. There’s no change in engine performance.
Integrated aluminum jacket water aftercoolers and oil coolers optimize heat transfer, and the gear-driven water pump and low-restriction coolant circuit streamline coolant flow. Using thermally insulated exhaust manifolds and exhaust manifold elbows reduces surface temperatures and improves safety.
20% mineral oils such as extender oils/ softeners. Highly aromatic (HA) oils used as extender oils or softeners in the tire-manufacturing process have concentrations of PAHs ranging between 10 to 30%. Non-exhaust traffic sources of particles. 60% rubber polymers; 20?35% —Sadiktsis et al.
As a result, shipbuilders and operators around the world are seeking environmentally friendly alternatives to conventional ship engines powered by fuel oil or diesel. The methanol is mixed with water, then evaporated by applying heat and fed into the preheated reactor, where the mix of methanol and water is converted into hydrogen and CO 2.
has several new parts, including a new water-cooled variable-geometry turbocharger; a new high-pressure common-rail fuel delivery system; a new Exhaust Gas Recirculation (EGR) system; a new intake manifold; a new cylinder head; a new cylinder block; a new balancer shaft unit; and a new Engine Control Module (ECM). Water-cooled turbo.
This is complemented by a reversal of the intake and exhaust valve positions, as compared to the previous engine design. All-aluminum block and oil pan. A structural aluminum oil pan further stiffens the powertrain. Advanced oiling system, with available dry-sump system.
Biodiesel (fatty acid methyl ester) derived from oleaginous microbes—microalgae, yeast, and bacteria—can effectively displace both petroleum diesel and biodiesel produced from plant oils, according to the findings of a new study by a team from Utah State University. Plant-based oils, commonly used to produce biodiesel (e.g.,
Individualized spray cone angle technology compensates the natural nozzle offset inherent in eight-valve engines due to the asymmetry of the intake and exhaust valves. Cold-loop Exhaust Gas Recirculation (low-pressure EGR) recovers exhaust gases further downstream than a conventional EGR system.
It then sprays the treated sea-water into the exhaust funnel, where CO 2 is converted into bicarbonates, SO 2 into sulfates and NO x into nitrates through natural chemical processes. The process water is collected, filtered, and pumped into an aft tank for further processing, and eventually returned to the ocean.
The Green Dolphin concept design is a five-cargo-hold CSR (Common Structural Rules) double-hull bulk carrier that meets current and future expected air and water emissions regulations. tonnes (about 4,700 gallons US heavy fuel oil), and daily fuel consumption at 10 kn slow-steaming of 6.4 Wash water holding tanks are also included.
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.
Additionally, LNG engines are tuned to either emit low nitrogen oxide (NO x ) emissions—at the cost of higher methane emissions in some cases—or to incorporate NO x reduction technologies such as exhaust gas recirculation (EGR) or selective catalytic reduction (SCR). Credit: The ICCT.
The exhaust-turbocharged V6 will come in two versions: 160 kW (218 hp) and 200 kW (272 hp). Integration of the new exhaust aftertreatment unit. Among the elements of interest in the new engine is the close-coupled exhaust gas aftertreatment system. Stages in the development of the exhaust aftertreatment technology.
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. An electric water pump that eliminates the drag of a conventional, engine-driven pump to enhance efficiency. —Tom Sutter, chief engineer for the 2.7L
A diathermic oil loop acts as heat carrier between turbine exhaust and the working fluid cyclopentane; the working fluid vaporizes and expands in the turbo expander which, coupled with the power generator, produces electricity. The fluid vapor then condenses, closing the loop.
In regards to the engine technologies for HVs, the Atkinson cycle, cooled EGR, electric water pump and low friction technology play an important role for enhancing the engine thermal efficiency. 1 and water-cooled EGR. To address this, at low load, Exhaust VVT is advanced and internal EGR is used. 1 and internal EGR.)
The engines also feature a cooled exhaust gas recirculation system. The new OM 93x series uses exhaust aftertreatment technology that was premiered a year ago in the heavy-duty engines of the new OM 471 series: a closed-loop particulate filter and BlueTec engine technology with AdBlue SCR catalytic conversion.
The compressor wheel is being driven by hot exhaust gases coming out of the exhaust manifold. A wastegate opens to regulate the compressor drive power by letting excess exhaust gases escape through the exhaust pipe. Variable-flow oil pump. Piston-cooling oil jets. Oil-water cooler. Crankshaft.
Burned gas is scavenged out through exhaust valves mounted in the cylinder head of the combustion chamber; fresh air is brought in through the scavenging port at the side wall of the cylinder liner. The piston has a hollow structure and moves along a column stay, which in turn enables the construction of a cooling oil passage within the stay.
With the water-cooled intercooler keeping turbo temperatures down, the V6 engine improves on the outgoing V8 engine in every way. The exhaust valves’ shape has also been optimized to enhance cooling performance. The shock absorbers feature triple-oil seals and extended dust covers for added protection and durability.
The electric biturbo system comprises a classic exhaust turbocharger (mono- or bi-turbo) working together with a supplemental, electric-powered compressor arranged in series and powered by a separate 48-volt electrical system. Note the position of the single exhaust gas turbocharger and the electrically driven compressor.
The engineers integrated the oil and vacuum pump in one module; it is designed as a compact dual pump. With the small circuit, the water warms up very quickly. Once the engine is warm, the cylinder head management opens the next circuit and draws the water through the crankcase. Exhaust gas aftertreatment module close to engine.
GE Oil & Gas will supply three customized aeroderivative gas turbine-generator modules to provide reliable electric power for a new Chevron floating production unit that will produce oil and gas from the Jack and St. It features a 9,184 Btu/kWe-h heat rate, 213 lbs/sec exhaust flow and 945 °F exhaust temperature.
Features include the new X-PULSE injection system with pressure booster; an asymmetric exhaust gas turbocharger; emission control with SCR technology, EGR and a particulate filter; and a three-stage exhaust brake. The oil level is checked by a special sensor linked to the engine control unit.
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. As a result, the charge air coolers used must be resistant to ionized water.
The Audi valvelift system, which adjusts the lift of the valves in two stages, is active on the exhaust side. One of their primary objectives is to bring the motor oil up to operating temperature as quickly as possible following a cold start. Because this also reduces the exhaust gas temperature, it is not necessary with the 1.8
The advanced design places the exhaust inside the engine’s V-shape while the air intake is positioned on the outside of the V. This segment-exclusive design naturally improves a variety of attributes: Shorter airflow from the exhaust system to the turbocharger sitting between the engine’s cylinder banks improves turbo responsiveness.
In the Permian Basin, approximately one additional barrel of oil can be recovered for each 6,000 cubic feet (6 Mcf) of compressed CO 2 injected into the oil field. In oil fields such as Whiting’s, the injected CO 2 mixes with the oil that is left behind in the primary oil-well production and the secondary water-injection stage.
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. The second cools the engine block and oil system, while the third handles the thermal load of the turbochargers.
Because the exhaust gases form part of the active aerodynamic package, Jaguar has utilized a specialized zirconia-molybdenum coating. This advanced heat-resistant coating is regularly used in Formula One cars and is applied in a plasma spray to the carbon-fiber diffuser to protect it from the exhaust gases.
We therefore electrically powered several of the vehicle’s auxiliary items of equipment such as the air-conditioning, water pump, fuel pump and the steering pump. 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.
To reduce emissions values further, Volkswagen has also implemented an oxidation catalytic converter, a diesel particulate filter and a NO x storage catalytic converter.
To further enhance combustion, the intake and exhaust valve positions have been switched from previous versions, and the valves are now slightly canted toward the cylinder centerline. A structural aluminum oil pan further stiffens the bottom of the block. Advanced oiling system. Oil-jet piston cooling. Exhaust manifolds.
It was reduced by an average of 16% across the entire speed range, using new technologies such as a variable-displacement oil pump and an actively controlled thermostat. The 2.5L’s balance shafts— which are commonly used in four-cylinder engines to reduce vibration—are located in a cassette in the oil pan. Chain drive.
Additionally, the engine features cast-aluminum, low-friction coated pistons with piston-cooling jets, which squirt oil on the underside of the pistons to keep the piston crowns cool under extreme operating conditions. liter Power Stroke is one of several engines that will be available for Transit in North America, including the 3.5-liter
Several significant changes contribute to the new EcoDiesel’s improved dynamic and fuel economy performance: A new-generation water-cooled turbocharger with variable geometry turbine (VGT) and low-friction bearing increases efficiency and responsiveness during transient conditions. NVH has been improved by offsetting the piston pin 0.3
Other features of the X2 include: Quiet operation: engine lacks poppet valves and over-expansion minimizes exhaust noise. Low heat signature from over-expansion and cycle skipping eliminates water cooling. Internal cooling with air or water (Rankine). Power modulation by cycle skipping increases efficiency and recaptures heat.
The engine’s active thermal management (ATM) system pioneers the use of an electric water pump and electronic controlled ball valve modules to intelligently and precisely control the flow of coolant.
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