Sentences with phrase «high power density»

The data will help advance gas turbine engine designs for higher power density and efficiency, scientists said.

As high power density devices, fuel cells can convert chemical energy directly into electric power very efficiently and environmentally friendly.

Sounding another note of caution, Lidsky argues that transmuting actinides needs a very high power density in the core.

«For years, industry has told us that the holy grail is getting fuel cells to work at 500 - degrees Celsius and with high power density, which means a longer life and less expensive components,» said Haile, Walter P. Murphy Professor of Materials Science and Engineering and professor of applied physics at Northwestern's McCormick School of Engineering.

In its supercritical state, carbon dioxide is nearly twice as dense as steam, resulting in a very high power density.

Another key engineering improvement for the lithium - ion battery pack is the use of enhanced electrode materials with revised chemistry, resulting in higher power density while contributing to greater battery durability upon charge and discharge.

At Battelle, Koper is studying the use of nanomaterials in membranes for water desalination and treatment; supercapacitors (energy - storage devices that provide higher power densities than batteries); and bio-based (rather than petroleum - based) additives used for hydraulic fracturing, or fracking, to retrieve natural gas.

This inverter is the lowest cost, highest efficiency and highest power density utility - scale inverter on the market.

The electric drive system, based on the principle of a permanently excited synchronous motor, boasts exceptionally high power density with a maximum output of 83 kW / 113 hp.

But by adjusting its chemistry, says Feaver, EnerG2 can produce carbon with pores to match electrolytes designed for high power density, high energy density, or any combination of the two.

Porsche's motors were co-developed with external partners, and are more expensive to make, but also offer better heat management and higher power density in a lighter and smaller package.

In this new work, he and his colleagues have shown that desirable characteristics for such devices, such as high power density, are not unique to carbon - based nanoparticles, and that niobium nanowire yarn is a promising an alternative.

It features improved batteries with higher energy density; smaller electric motors, with higher power density than the previous Prius motors; and the gasoline engine features a thermal efficiency greater than 40 % (that of the third - generation Prius is 38.5 %).

That's because the new tests show that — despite its high power density — the supercapacitor is relatively inefficient.

The researchers tested their supercapacitor devices and showed they could cycle 20,000 times and exhibited both high capacitance and high power density.

Dai, a professor of macromolecular science and engineering at Case Western Reserve and a co-author of the paper, explained that most supercapacitors have high power density but low energy density, which means they can charge quickly and give a boost of power, but don't last long.

The fiber supercapacitor demonstrated ultrahigh energy - density value, while maintaining the high power density and cycle stability.

The fuel cells exhibited a high power density of ~ 560 mW cm - 2 at 550 oC.

Its core has a high power density and needs high fuel enrichment — two features which make it less safe than conventional nuclear reactors.

They can withstand higher frequencies and higher temperatures, which ultimately result in high power density designs,» said Atcitty.

The major technical challenge for the front - end is the high power density of the X-ray beam (1.5 kW / mm2) coupled with its small divergence.

This allows a higher power density, and much quicker charge and discharge speed, suited to track driving.

Knirsch said: «Some rivals have gone for a synchronous motor with a high power density but at relatively low revs.

As with the race car, the energy is stored in a supercapacitor, which has a higher power density and a fast power charge / discharge speed.

The 1.0 - liter EcoBoost cylinder block can fit onto a sheet of A4 paper (11.7 x 8.3 inches) but delivers up to 125 PS and 170 N · m (125 lb - ft) peak torque (with 200 N · m (148 lb - ft) overboost), giving it the highest power density of any Ford production engine to date.

Twenty percent smaller than the nickel - metal hydride unit featured in the Lexus LS, it fits neatly between the rear seats and the luggage compartment and has a higher power density, with its 84 cells producing 310.8 Volts.

All internal components in the precision - made injectors are treated with an extremely hard, diamond - like coating to resist the stresses produced by a high power density.

All hybrid versions of the 7DCT300 are based on an axial parallel high - speed traction motor to realize a compact installation space and a high power density.

The new LT1 engine's high output, and high power density and efficiency are due to several advanced technologies, including direct injection, Active Fuel Management and continuously variable valve timing, which support an advanced combustion system.

These electricity storage units are characterized by a high power density.

It is 20 percent smaller than the nickel - metal hydride unit featured in the current Lexus LS 600h, yet has a higher power density.

But despite being smaller, it has a higher power density.

The ProStar ® 570 engine was developed with the ultimate combination of high power density, excellent fuel efficiency and ease of maintenance.

The ProStar ® XP 900 engine was developed with the ultimate combination of high power density, excellent fuel efficiency and ease of maintenance.

Their high power density and low cost (in large scale production) make them perfect for PHEVs (with the idea being that the majority of driving will be done on battery power).

I know, this was tried and failed with Project Better Place but as batteries get lighter and have higher power densities, the concept might work.

It also has high power density, meaning that it produces more energy per gallon than many other liquid fuels.

«The main advantage of Wave Energy over Solar and Wind Energy is its high availability, reliability and higher power densities (Solar: 0.3 kW / m2, Wind: 3 kW / m2, Waves: 30 kW / m).»

Apple's support page points out, «Lithium - ion batteries charge faster, last longer, and have a higher power density for more battery life in a lighter package.