Sentences with phrase «sunlight into heat»

Rooftop solar water and space heaters that directly convert sunlight into heat have been embraced in a number of countries but nowhere as much as in China.
The new technology, dubbed «solar steam», uses nanoparticles submerged in water to convert the sunlight into heat.
Transitioning undersea dirty sediment to oil, smearing the residue over a good propotion of our beautiful land to coat roads (what converts sunlight into heat better than black?
Solar - thermal systems, which turn sunlight into heat and then into electricity, are more efficient than photovoltaics — because they can use the entire solar spectrum, they can reach efficiencies of 30 percent — but they are impossible to scale down to rooftop size.

Not exact matches

They reflect sunlight back into space, trap heat and carry moisture, all of which can have contradictory impacts
Masdar Institute faculty are part of a collaborative team of researchers that has discovered a novel way to significantly increase the amount of sunlight that a solar absorber can convert into heat.
And that heat appears to be cycling back into the atmosphere each fall, when the amount of sunlight dips and sea ice re-forms.
And because the sunlight is also transformed into heat, that energy can be stored more easily than the direct electricity that photovoltaic cells produce, Wang says.
Fischetti: Right, if you think about a long trough that reflects sunlight, it concentrates the sunlight along a pipe that runs parallel to the long trough and concentrate [s] the sunlight like a magnifying glass, [which] heats the fluid inside this pipe really hot, so the hot fluid circulates out to a somewhat traditional power plant where it's allowed to expand into high pressure gas that turns a turbine which generates electricity.
By first converting the sunlight to heat and then back into light, the device fine - tunes the energy of photons absorbed by the photovoltaic cell, maximizing the electricity - generating potential.
A hazy umbrella of sulfur particles is reflecting enough sunlight and heat back into space to offset global warming.
For millennia, Greenland's ice sheet reflected sunlight back into space, but satellite measurements in recent years suggest the bright surface is darkening, causing solar heat to be absorbed and surface melting to accelerate.
The differences affect how much sunlight makes it into the lower atmosphere and can reflect, buffer or trap in heat.
To manage temperature extremes, the pilots» clothing is made of «intelligent» nylon fibers that direct infrared heat back to the surface of cold skin and keep the pilot cool when direct sunlight turns the cockpit into an oven.
CONVERTING sunlight into electricity, rather than using it to heat water directly, could lead to cheaper domestic solar energy, say engineers at the National Institute of Standards and Technology in Maryland.
Their invention shunts away the heat generated by a solar cell under sunlight and cools it in a way that allows it to convert more photons into electricity.
They may act as reflectors, bouncing incoming sunlight back into space, or like blankets, absorbing heat emitted from the surface and then radiating it back down.
It heats up in sunlight like most other compounds, but it does not radiate its heat into its surroundings as much.
Carbon nanotubes — extremely efficient absorbers of sunlight, which convert nearly the entire solar spectrum into heat — take care of that step.
The sulphur in the lower atmosphere below 15kms is reflecting sunlight back into space but the black soot also a component in the ABC's is heating when bombarded with solar radiation and warming the atmosphere up to 15kms dramatically affecting cloud formation and monsoon / drought cycles.
Clouds are an important part of the Arctic climate because they both reflect sunlight's heat back into the atmosphere and trap warmth from the earth.
The Yarkovsky effect is a force on an asteroid when it absorbs sunlight and then radiates it back into space as heat.
Brighter clouds reflect more sunlight back into space, reducing the amount of heat absorbed by the earth.
Fine particles emitted by vehicles (especially diesel - powered ones), coal - fired power plants, and burning wood can penetrate deep into the lungs, while car exhaust, heat, and sunlight contribute to high ozone levels.
The entry - level Premium models with folding, heated wing mirrors, a panoramic sunroof, solar control glass, which limits the amount of sunlight into the cabin to keep the heat down inside.
A special, highly innovative type of leather on the seats, interior panels, and steering wheel that significantly reduces the heat effect of bright sunshine: Treatment of the leather in Sun Reflective Technology serves to integrate special color pigments into the material to reflect infrared radiation in the sunlight.
When the days start to get longer in January and February, additional sunlight signals a female cat's pituitary gland to start ovulation and she will go into heat.
Those living in the upper splash zone are tolerant to sunlight, heat, and water loss and have either a means to «shelter» themselves or the ability to move into an area of greater moisture.
So now you lost evaporative cooling, the incoming sunlight turns into sensible heat rather than a large fraction going into latent heat.
If the greenhouse effect (that checks the exit of longwave radiation from Earth into space) or the amount of absorbed sunlight diminished, one would see a slowing in the heat uptake of the oceans.
The particles used in the system heat up so rapidly that the water is instantly vaporized into steam, as the particles can be activated by not just visible sunlight, but also by shorter wavelengths that are invisible to the human eye.
Thus, if the absorption of the infrared emission from atmospheric greenhouse gases reduces the gradient through the skin layer, the flow of heat from the ocean beneath will be reduced, leaving more of the heat introduced into the bulk of the upper oceanic layer by the absorption of sunlight to remain there to increase water temperature.
But by changing the planet's albedo through a large seasonal variation, the total insolation is changed — more sunlight is reflected back into space without being absorbed as heat.
Carbon dioxide acts something like the glass panes in a greenhouse, allowing sunlight in to heat the Earth, but preventing some of that heat from escaping into space.
As the Arctic sea ice melts, however, and the incoming sunlight hits the much darker open water, only 6 percent is reflected back into space and 94 percent is converted into heat.
While standard solar panels convert sunlight directly into electricity, concentrated solar power plants focus an array of mirrors onto a solar receiver and use the resulting heat to drive an electricity - generating steam turbine.
Concentrated solar power technologies use mirrors that direct sunlight to heat an intermediary fluid, which then heats water into steam to drive a turbine.
High quality heat (5000K sunlight) is transformed into low quality heat (255K water) and it can never again be used to heat anything to a temperature higher than 255K which includes the ocean surface and the air above it.
The other kind of geoengineering tries to reflect sunlight back into space before it has a chance to heat the Earth, much as putting up an umbrella at the beach keeps you cool by blocking the sun.
AGWSF's basic fictional meme here is «all electromagnetic energy from the Sun is the same and all create heat on being absorbed» — this is the meme you are repeating in your «Without sunlight adding energy which converted into heat».
Without sunlight adding energy which converted into heat, the surface Earth would be very cold.
gbaikie December 16, 2012 at 8:46 pm said:» «- Without sunlight adding energy which converted into heat, the surface Earth would be very cold»
The ice normally reflects more heat and sunlight back into space than open ocean or bare ground, so when it is reduced, the Earth gets a small incremental heat flux that will result in an increase in temperatures.
New fuel cell design can convert any biomass into electricity with a little help from sunlight or waste heat.
That cooling leads to later daily formation of clouds near the tropics which means more sunlight heating the oceans means greater heat transfer into the oceans which subsequently results in lagging feedback in an El Niño that overshoots stasis.
Exterior shades block high - angle sunlight to mitigate heat loading, and interior light shelves bounce indirect daylight deeper into the offices and classrooms.
Increasing amounts of sea ice and clouds could reflect more sunlight back into space, but Wally Broecker suggests that a major greenhouse gas is disturbed by the far - north failure of the salt conveyor, and that this affects the amount of heat retained.
Passive solar heating, which uses the position of windows and thermally absorptive surfaces to convert incoming sunlight into stored interior heat, is another approach.
«Climatologists suggest that dust and other particles released into the atmosphere as a result of farming and fuel burning may be blocking more and more sunlight from reaching and heating the surface of the earth,» The Time lamented.
These wavelengths translated into chemical energy or heat so that the temperature profile of the stratosphere and above reflects the interaction of sunlight and the various gases molecules.
a b c d e f g h i j k l m n o p q r s t u v w x y z