Sentences with phrase «fuel combustion at»

Fossil fuel combustion at power plants emits other pollutants regulated by the Clean Air Act.

We note that some in the natural gas industry and their political supporters continue to oppose policies designed to ramp up non-fossil fuel combustion at the same time claiming that natural gas is a solution to climate change.

Not exact matches

At the very least, Reinhardt hopes the planners will consider biogas, fuel material from food waste and wastewater treatment plants, for combustion instead of the natural gas.

A chemical reaction is initiated between the fuel and the oxidizer in the combustion chamber, and the resultant hot gases accelerate out of a nozzle (or nozzles) at the rearward - facing end of the rocket.

He expects researchers to use the FEL pulses to probe what happens during fuel combustion, how biomolecules behave in gases, and how reactions proceed at solid - gas interfaces.

Despite decades of research, hydrogen fuel cells have failed to replace combustion engines in cars, thanks in large part to the cost of their platinum catalysts, says Signe Kjelstrup at the Norwegian Academy of Science and Letters in Oslo.

In addition, its «ecofining» process adds kinks in the chains to prevent them from easily stacking — or gelling — at cold temperatures, producing a diesellike fuel with as much as twice the combustion quality of the petroleum - derived variety.

He says continued pressure to reduce fuel usage, greenhouse gases and other pollutants «could lead manufacturers to look at alternative combustion strategies.

«The lower operating temperatures during cold start are due to increasing fuel efficiency in advanced combustion engines, which leaves less energy in the tailpipe exhaust,» said Abhaya Datye, a distinguished professor at UNM's Department of Chemical and Biological Engineering and study co-author.

A third study of simulations by Som and Argonne postdoctoral researcher Pinaki Pal, identifies the conditions at which new fuel formulations can thrive under low temperature combustion, leading to reduced emissions and higher efficiency.

But Recchia - O'Neill is certainly at the forefront of a transformation of the U.S. — and global — auto market from standard gasoline - fueled internal combustion engines to greener vehicles.

Yet most computers can handle only a handful of scenarios at once — too few to create a full picture of fuel performance during combustion.

At present, fossil fuel combustion represents a flux to the atmosphere of approximately 9 Pg per year.

«When the fuel and air are nearly perfectly mixed, you have the lowest emissions,» said Jin Yan, manager of the computational combustion lab at GE's Global Research Center.

The reason for this choice is that constant - speed races like the Indianapolis 500, which take place on oval tracks, are better for internal combustion engines because those are most efficient at constant speed, yet waste fuel and create extra pollution in stop - start driving.

This is achieved by the combustion of solid, liquid or gaseous propellant, containing oxidiser and a fuel, within a combustion chamber at high pressure.

CURWOOD: So, if I hear you correctly, Pat, you're saying perhaps the strong if not the strongest strategy here would be to be suing the federal government for selling off fossil fuels from public lands and waters at a time when the government knows that the combustion of those fuels is in the process of destroying the planet?

By comparison, scenarios for fossil fuel emissions for the 21st century range from about 600 billion tons (if we can keep total global emissions at current levels) to over 2500 billion tons if the world increases its reliance on combustion of coal as economic growth and population increase dramatically.

Researchers at Tsinghua University in China are studying the effects of Dual - Fuel Spark Ignition (DFSI) combustion fueled with different alcohols and gasoline.

Argonne engineers are currently working with scientists at the Advanced Photon Source (fuel - spray project), Chemical Sciences and Engineering Division (combustion chemistry) and are developing collaboration with researchers in the Leadership Computing Facility to optimize this combustion approach for practical engines.

The capabilities of Test Cell 1 include a fuel / air combustion skid for energy input; cooling systems for heat removal; 130 kW eddy - current dynamometer for precision power measurements; and instrumentation, system protection, and power control channels.For measuring the thermal output of fuel - fired thermal energy systems, such as a gas - fired liquid - metal evaporator for Stirling engines, Test Cell 1 offers a gas - gap calorimeter, which simulates the engine by allowing the liquid metal to condense at operating temperatures.

«It was great to see a team of ARL, UIUC and Argonne researchers working together with the unique capability at the Advanced Photon Source to gain unprecedented insight into the fuel injection and combustion process,» said ARL Central Regional Lead Dr. Mark Tschopp.

The electrons remain at the center and are then free to do work, just like the electrons generated by fossil fuel combustion.

I think it is important to stress that with the current growth of fossil fuel emissions we are above the highest IPCC emissions scenario (RCP 8.5), at least for fossil fuel combustion.

The direct injected fuel, heats so fast, upon injection, at near the end of the compression cycle, it often does not need a electric spark, to set it off in spontaneous combustion.

Previously, the throttle needed to be 80 % engaged before the reserves of the electric motor were combined with those of the combustion engine in an earlier strategy aimed at optimizing fuel economy.

Due to incomplete combustion, the fuel would even ignite in the exhaust system, as visible by blue flames at night inside the pipe.

An all - new injection system operates at more than 5000 p.s.i. and incorporates smaller injectors to deliver smaller fuel droplets, improving combustion.

@Paulster2 Theoretically by igniting the fuel sooner a higher combustion chamber pressure can be achieved at the moment of the power stroke.

At low RPM only one valve on the intake opens fully, promoting combustion chamber swirl and improved fuel atomization.

I've known Turner for years and first met him when he was at Lotus (he had two stints at the Norfolk company), where he worked on the Corvette ZR1 engine, Lotus's own V8 and numerous skunkworks projects, including a test engine nicknamed Omnivore for its ability to run on virtually any fuel, and an optical engine that allowed the combustion process to be observed through a transparent cylinder.

Portion of the engine where the air / fuel mixture is ignited and converted to mechanical energy; includes all the space above the piston at top - dead - center (TDC), including the cylinder head, which forms the top of the combustion chamber.

These flaps are specially shaped to speed up the intake charge at low engine speed and induce a tumble effecting the combustion chamber that results in a more thorough fuel / air mixture and quicker, more efficient burn

VTEC (Variable Valve Timing & Lift Electronic Control) is a system developed by Honda which was said to improve the volumetric efficiency of a four - stroke internal combustion engine, resulting in higher performance at high RPM, and lower fuel consumption at low RPM.

With millisecond precision, DFI injects fuel at up to 200 bar directly into the combustion chamber by means of electromagnetically actuated injection valves.

Researchers at Tsinghua University in China are studying the effects of Dual - Fuel Spark Ignition (DFSI) combustion fueled with different alcohols and gasoline.

Despite prognostications that the internal combustion, gasoline - fueled horsepower was in abundance at this year's North American International Auto Show, Porsche showed off the...

Response is instantaneous, due in no small part to a Roots - type supercharger that sits atop the engine block and pumps the air / fuel mixture through an air - to - water intercooler into the combustion chambers at 9.5 to 10 pounds per square inch.

Opening up to the outside, the injectors operate at a pressure of up to 200 bar, distributing fuel in a conical spray pattern throughout the entire combustion chamber.

By optimizing the pressure and temperature in the cylinders, the shape of combustion chambers, and the fuel injection rate, combustion begins at the best timing in terms of thermal efficiency.

High Precision Injection in the new six - cylinder delivers fuel into the combustion chambers at a higher injection pressure of up to 200 bar over a wide range of running conditions.

Its the fuel saver 1.1 CRDi with 75 hp that consume only 3,2 liter / 100 km (at the moment, the internal combustion engine with less consumption and emissions sold in Europe).

Piezo injectors centrally located in the four combustion chambers inject the fuel at a pressure of up to 200 bar.

Charge - depleting mode allows a fully charged PHEV to operate exclusively (or depending on the vehicle, almost exclusively, except during hard acceleration) on electric power until its battery state of charge is depleted to a predetermined level, at which time the vehicle's internal combustion engine or fuel cell will be engaged.

The direct injectors deliver fuel to the combustion chambers at pressures up to 200 bar (nearly 3000 psi).

The adaptive boost - pressure fuel injection system constantly monitors inlet pressure and injects fuel into the combustion chambers at a constant level of excess pressure to ensure optimum atomisation and carburation, achieving maximum power with minimum fuel.

To improve fuel efficiency through better - controlled combustion while realizing a powerful ride in the low - to mid-rpm ranges, the bore - stroke ratio is set at 73 × 80 mm.

At the core of the new EcoTec3 engine family is an advanced combustion system that maximizes the potential of the direct fuel injection system, cylinder deactivation, continuously variable valve timing and other technologies.

The multi-hole injectors create an optimized fuel / air mixture in the cylinders and also create a weak stratified combustion effect that maximizes fuel efficiency at lower power conditions.

Less fuel is required to produce the equivalent horsepower, especially at normal cruising speeds, of a conventional port - injection combustion system.