Sentences with phrase «as waste heat»

But unless we use that energy to form chemical bonds it all gets released back into the environment as waste heat.

Since more than half of the energy consumption today is lost as waste heat, recovering even a mere few percent of it would imply a new renewable source of energy.

Within the heating sector, fee avoidance options include energy efficiency, switching to efficient electric heat paired with the electric sector tax avoidance options, and potentially switching to lower carbon heating options such as waste heat from sewage systems and wastewater treatment plants or buying «renewable natural gas» from bio-digesters, generated either within the District or from outside.

This excess energy is discarded by the transmission as waste heat.

Tunable thermal properties make these structures good candidates for integrated heat management units such as waste heat recovery, rectification or efficient heat dissipation.

Every year 10 gigawatts of potential power are squandered as waste heat from industrial processes — enough to light 10 million homes.

Whatever you use energy for, it almost all ends up as waste heat.

Unlike current silicon - based electronics, which shed most of the energy they consume as waste heat, the future is all about low - power computing.

Not exact matches

As power plants are charged with decreasing their emissions it becomes more profitable for an entrepreneur to innovate a way to turn that wasted heat into useable energy, he says.

«We break down the waste using heat and convert it into a gas that is as clean as natural gas.

You might be tempted to do this step later, because recipes always take twice as long as you think, and why waste all that heat?

If the coil is compressed for too long or is not strong, energy is wasted as heat and the power release from the spring is compromised.

But Leamy has a history of wasting good performances in the heats, as at the 1981 NCAAs, where he broke Bottom's 50 - yard record in the preliminaries and then lost in the finals.

they're fab for breastfed babies as the teats are more like boobs rather than standard bottles and they heat up to boob temperature, they work with bloggers too so you may be able to get it as a review to try out saves you wasting money incase it doesn't work?

Five of the six families involved in the pilot project received a multi-fuel burning stove, with waste wood fuel as the primary heat source.

«We demonstrated for the first time that ceramics could help advance thermophotovoltaics as well other areas of research, including energy harvesting from waste heat, high - temperature catalysis and electrochemical energy storage.»

There is room for improvement: incandescent bulbs currently waste 90 percent of their energy as heat.

Higher - energy light waves, including most of the visible light spectrum, are wasted as heat, while lower - energy waves simply pass through the solar panel.

About 70 percent of all the energy generated in the world is wasted as heat, said Dimitris Niarchos of the National Center for Scientific Research Demokritos in Athens, Greece.

«There are also other important measures to reduce methane emissions from coal mining, municipal waste treatment and gas distribution, for example, as well as black carbon emission reductions through elimination of high - emitting vehicles, use of cleaner biomass cooking and heating stoves, replacement of kerosene wick lamps with LED lamps and other measures,» adds Zbigniew Klimont of the International Institute for Applied Systems Analysis, Austria, who also took part in the study.

Biodigesters won't quite generate «1.21 jigawatts» of power (as Doc's Mr. Fusion device seemed to), but they can create fuel for heating, cooking, and electricity while reducing waste and water contamination.

«Porous thermoelectrics can play a significant role in improving thermoelectrics as a viable alternative for harvesting wasted heat,» Niarchos said.

It was a balancing act, though, as the rovers rely in part on waste heat from electrical systems to keep warm: Conserve too much power and the rovers would freeze.

The findings, to be published in the Jan. 27 issue of the journal Science, could lead to a wide range of applications, such as thermoelectric systems that convert waste heat from engines and appliances into electricity.

Biomass, which is essentially trees and grasses as well as forestry and agricultural waste, is burned as a source of both heat and electricity all over the world

In a conventional solar cell, only part of the solar spectrum is put to use, with the rest reflected or wasted as heat.

The new connections can allow these cells to operate at solar concentrations of 70,000 suns» worth of energy without losing much voltage as «wasted energy» or heat.

But to be effective, solar cell designers need to ensure the connecting junctions between these stacked cells do not absorb any of the solar energy and do not siphon off the voltage the cells produce — effectively wasting that energy as heat.

But these bulbs have always suffered from one major problem: More than 95 percent of the energy that goes into them is wasted, most of it as heat.

Another roadblock hindering solar cells is that much of the light they collect is wasted as heat and not converted to electricity.

Such structures are currently of interest because they may be suitable for electricity generation from waste heat or as novel light sources and catalysts.

In addition, a supercritical turbine could fit into a directly heated cycle, where a fuel like natural gas burns in the presence of pure oxygen inside the turbine, creating only water and carbon dioxide as waste.

Behind the building, a biodiesel generator and waste vegetable oil boiler, both dormant during the summer months, attest to the aquaponic system's thirst for energy — the pumps, filters and bioreactor run year - round at a sometimes deafening whir, and the winter brings a need to heat the tanks and power overhead lights, as well.

Some 80 restaurants, caterers and hotels, including gourmet food company Fauchon and Michelin - starred Taillevent, signed up for a pilot project to collect their food waste, which is used to generate biogas and produce electricity and heat, as well as compost for farms around Paris.

Helmut Stein, Nokia's head of research and development, says: «Multiply 10 watts by the number of TV sets in a country and you realise how much energy is being wasted as heat.»

Hydrogen fuel cells, which expel only water and heat as waste, are an appealing way to generate clean electricity, but the present technology relies on expensive platinum catalysts.

But as transistors become tinier they waste more power and generate more heat — all in a smaller and smaller space, as evidenced by the warmth emanating from the bottom of a laptop.

You know, 55 percent of the power generated in the United States is wasted and wasted because it is dissipated as heat and other sorts of losses; 25 percent of the food generated in the country is wasted as waste in that case.

«Poultry waste hydrochar generates heat at high temperatures and combusts in a similar manner to coal, an important factor in replacing it as renewable energy source.»

This knowledge allows the engineers to take advantage of synergies such as using the waste heat of one system to heat another.

So when higher - energy photons come into the solar cell, they devote more of their energy to dislodging electrons and generating electric current, and waste less as heat.

And as chips continue to get smaller, with more circuits packed into smaller spaces, the amount of wasted heat grows.

To heat that boiler, the damp, crumbly brown coal known as lignite — which is even more polluting than the harder black anthracite variety — burns in the presence of pure oxygen, a process known as oxyfuel, releasing as waste both water vapor and that more notorious greenhouse gas, carbon dioxide (CO2).

The resulting composite was able to convert heat which would otherwise be lost as waste into an electric current over a broad temperature range, going down to room temperature.

And his lab last summer published a paper in the Proceedings of the National Academy of Sciences establishing tin telluride with the addition of the chemical element indium as a material capable of converting waste heat to electricity.

A new heat - exchanger system to capture and recycle waste heat from oxy - fuel furnaces could cut process CO2 emissions by 30 % and nitrous oxide emissions by 90 %, as well enhancing thermal efficiency and significantly reducing operating costs.

In addition to their possible use in cleaning up toxic wastes and in generating energy, the microbes may also yield useful substances and pharmaceuticals with commercial and technological applications, such as heat - resistant enzymes that can be used in detergents.

The problem for trains, however, is that if there is not a nearby train accelerating to accept the regen, the energy is wasted - dissipating through the train's resistor banks as heat.

The results, demonstrated by scientists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) and collaborators on China's Experimental Advanced Superconducting Tokamak (EAST) found that lithium powder can eliminate instabilities known as edge - localized modes (ELMs) when used to coat a tungsten plasma - facing component called the «divertor» — the unit that exhausts waste heat and particles from plasma that fuels fusion reactions.

This effect allows to convert waste heat into spin currents and thereby to transport energy as well as information in magnetic, electrically insulating materials.