Sentences with phrase «by combustion in»

Not exact matches

Elio's motivations are similar to Tesla's — while it's driven by an old - fashioned internal combustion engine, the small, light vehicle will get something like 84 miles per gallon, and the company's DOE application will hinge on its advantages in environmental impact and energy independence.
Instead of the tiny explosions that drive the pistons of a standard internal - combustion engine, the Stirling drives its piston by forcing gas from one chamber to another in a perfectly closed system.
Instead of letting the miscommunications, unspoken resentment or confusion mount over time, resulting in total combustion, we can deal with them head - on as they come to us, season by season.
In 2015, we used the draft FLW Standard to expand our tracking of measurable food waste to eight destinations outlined by the standard, including animal feed, biobased materials / biochemical processing, codigestion / anaerobic digestion, composting, controlled combustion (incineration), land application, landfill, and sewer / wastewater treatment.
The swept volume of one combustion chamber is calculated («swept volume» being the space available for the fuel mixture before combustion; generally speaking, the more space, the more fuel and the more power produced), then multiplied by the number of cylinders in the engine.
It's powered by an updated 2.0 - litre V4 petrol engine, with big claims of it being the «most efficient combustion engine» in Porsche's history.
«Ultimately, the warming induced by carbon dioxide over the many thousands of years it remains in the atmosphere would exceed the warming from combustion by a factor of 100,000 or more,» Caldeira said.
In a modeling study of coal, oil, and natural gas, Zhang and Caldeira compared the warming caused by combustion to the warming caused by the carbon dioxide released by a single instance of burning, such as one lump of coal, and by a power plant that is continuously burning fuel.
Ten years later, no one knows what was in the cloud of gases released by the combustion of all that jet fuel and building material but science has revealed what was in the dust — cement, steel, gypsum from drywall, building materials, cellulose from paper, synthetic molecules from rugs, glass fibers and human hair from the long decades of the two towers» use, among other items.
That soot, fly ash or whatever you want to call it is borne aloft by the hot gases of combustion before settling gently back to Earth in lungs, into lakes and the sea or onto the landscape.
Another study, published last year in Reviews of Geophysics, lists the man - made aerosols as coming from sulfates, nitrate and black carbon emitted by internal combustion engines, coal - fired power plants, slash - and - burn agricultural practices, and smoke from cooking.
Such technology could cut acid rain — causing sulfur dioxide emissions by more than 90 percent, smog - forming nitrogen oxides by 75 percent, and — ultimately — capture more than 80 percent of the CO2 normally produced by combustion, storing it in nearby depleted oil fields by 2015.
Banned in Delhi for a decade, smog - spewing combustion engine — powered rickshaws are fading away in India and in many other countries, thanks not only to inroads by minivans, but also to improved rickshaw motor designs coupled with laws to mothball dirtier models.
Until recently, however, soot's role in warming has been muddied by the effects of another pollutant, sulfate particles generated by coal and petroleum combustion.
The team then went a step further, putting the rock and soil samples in a controlled combustion chamber that released carbon at different temperatures, allowing the carbon molecules to be sorted by their latent energy, an indicator of their chemical structure, and the amount of radiocarbon they contain.
In effect, PowerGen is saying that it can reduce its emission of sulphur dioxide by 60 per cent — as required of large combustion plants by a directive from the European Community — without installing FGD equipment at Ferrybridge.
The Chevrolet Volt, which GM plans to introduce in two years (reportedly at a mid - $ 30,000 base price), is a new breed of gasoline - electric hybrid, cars powered by a battery - powered electric motor that can be recharged on the road with an internal combustion engine.
Over the lifetime of the released CO2, the trapped heat exceeds the heat released during combustion by a factor of more than 100,000, researchers report online June 2 in Geophysical Research Letters.
Whereas other actuators powered by electricity or combustion could cause damage to humans or their surroundings, loss of vacuum pressure in VAMPs would simply render the actuator motionless.
They compared the production, combustion and gas emissions of biochar, which is produced by slow heating of the biomass at a temperature of 450 °C (842 °F) in an oxygen - free furnace with hydrochar.
Now an international team of researchers led by the lung researcher Marianne Geiser from the Institute of Anatomy at the University of Bern and the aerosol researcher Josef Dommen from the Paul Scherrer Institute PSI has shown that secondary particles from gasoline combustion in Euro 5 engines directly damage lung tissue as well as weaken its defense functions.
Seven million people died prematurely in 2012 from air pollution caused by fossil fuel combustion, according to a 2014 report by the World Health Organization.
However, its future potential uses are significantly limited by scarcity and cost, as well as the fact that platinum readily binds with carbon monoxide, which «poisons» the desired reactions, for example in polymer electrolyte membrane (PEM) fuel cells, which are the leading contenders for small - scale and mobile power generation not based on batteries or combustion engines.
They are generated by incomplete combustion of materials in forest fires, industrial plants and waste incinerators.
Human - generated aerosols can enter the atmosphere directly, as is the case with soot emitted by internal combustion engines in cars and trucks, he explains.
The top 12 also included three areas of environmental concern: air pollution by oxides of nitrogen and other combustion products; the increase in carbon dioxide levels causing global warming; and urban waste.
By measuring the ratio of carbon isotopes in the samples the team collected, they were able to tell how much carbon was from fossil fuel combustion.
The achievement could be revolutionary, enabling creation of a closed system in which carbon dioxide emitted by combustion was transformed back into fuel instead of adding to the greenhouse gases in the atmosphere.
The elements are synthesised by the nuclear combustion process in stars and driven out into space when the star dies and explodes.
-- Where carbon dioxide (or another greenhouse gas) generated by a covered entity is used as an input in the production of algae - based fuels, the Administrator shall ensure that emission allowances are required to be held either for the carbon dioxide generated by a covered entity that is used to grow the algae or for the portion of the carbon dioxide emitted from combustion of the fuel produced from such algae that is attributable to carbon dioxide generated by a covered entity, but not for both.
«(ii) 4 megawatts in capacity, in the case of a facility that is placed in service after the date of enactment of this section and generates electricity from a renewable energy resource other than by means of combustion.
The present study proposes a potential explanation for such an association, showing that polyunsaturated fatty acids can affect fat distribution in the body more favorably than saturated fats, probably by regulating increased energy combustion or decreased storage of visceral fat in connection with calorie - rich diets.
Like other major automakers, Audi (and its parent Volkswagen Group) is working on meeting its medium - term regulatory requirements (e.g., in the 2020 timeframe) by reducing the average fuel consumption of its new vehicles using a combination of three primary measures: optimizing its combustion engines for greater efficiency; developing alternative drive... Read more →
In addition, gas combustion is not carbon - free, producing about 60 % of the CO2 produced by coal for the same electrical generation.
In supersonic engines, RM enhances combustion efficiency by blending the fuel and the oxidizer.
Coral is already threatened by insidious change in sea water chemistry as ever more carbonic acid — from dissolved atmospheric carbon dioxide, the product of the combustion of fossil fuels — gets into the sea.
Produced by combustion of heavy petroleum products, common pigment used in mascara and eyeliner products
The accrual of body fat, when food was plenty in the summer, rendered our ancestors [and today's contemporaries who still carry the (epi) genetic architecture that predisposes them] insulin resistant, which facilitated survival in the winter by hampering the uptake of scarce carbohydrates in peripheral tissues, thereby leaving these carbohydrates for combustion by the brain.
Since the mitochondria actually produce free radicals in the process of making energy (free radicals are a by - product of combustion) are located on the outer surface of the cell, they are especially susceptible to free radical damage.
«Research suggests that calorie combustion in brown fat may be of significance for your metabolism, and brown fat is effectively activated by cold temperatures.
Synopsis: «In a small town nestling in the lap of the high Pyrenees, to which a young woman, Carla, returns to scatter her mother's ashes, only to be confronted by violence, deaths and the seemingly supernatural, such as the spontaneous combustion.&raquIn a small town nestling in the lap of the high Pyrenees, to which a young woman, Carla, returns to scatter her mother's ashes, only to be confronted by violence, deaths and the seemingly supernatural, such as the spontaneous combustion.&raquin the lap of the high Pyrenees, to which a young woman, Carla, returns to scatter her mother's ashes, only to be confronted by violence, deaths and the seemingly supernatural, such as the spontaneous combustion
Massachusetts» charter schools — places that were to break the mold and chart new directions, no less — apparently were to be designed in persuasive detail by spontaneous combustion, with hardly any support from the state.
You can also test for combustion gas in the coolant by over filling the reservoir, get the engine hot and check for bubbling in the reservoir.
It's not just automakers — major European countries will ban diesel engines (or in extreme cases, all internal - combustion engines) in the coming decades, with Korea itself restricting the sale of diesel vehicles by 2030.
It's a Diesel, which means that you usually have a high detergent oil in an engine that dumps combustion by - products like soot into the oil as part of its normal operation.
Due to incomplete combustion, the fuel would even ignite in the exhaust system, as visible by blue flames at night inside the pipe.
Piston rings, even in a fresh engine, always have at least a minimal amount of blow - by from combustion.
The spent exhaust gasses provide a means by which to control the burn process thus reducing the heat in during the combustion process.
Back in 2010 the Department of Energy set a cost goal of $ 125 per kilowatt hour for an EV battery pack by 2022, because that would make electric - propulsion systems equal to the cost of an internal - combustion engine.
This is allowing oil into the combustion chamber so it's being burnt off... Typically accompanied by a sweetish smelling exhaust and heavy gas smell in oil itself.
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