Sentences with phrase «by the convection of»

A solar chimney is a device for harnessing solar energy by the convection of heated air.

The real world's atmosphere was likened to a real greenhouse which has both heating and cooling mechanisms in place to get optimum growing conditions for plants, in other words, in the real world's analogy of greenhouse with convection and open windows, all the gases which are our atmosphere are greenhouse gases, primarily nitrogen and oxygen for the stability of temperature by gravity and wind and water for cooling by convection of gases with volume.

Or can this sorting happen only by convection of masses of air?

At Tmax, for example, there has been a steady T rise as the sun moves higher in the sky, the rise helped by convection of air with hot packets in it surrounding the site, held back if frost has formed overnight, complicated if there is snow around and water phase change effects need consideration, hindered or lagged by the thermal inertia of the screen surrounding the thermometer as the screen heats up.

This movement of energy is achieved mainly by convection of one sort or another, and since the temperature of the ocean is little affected by back radiation, changes in co2 concentration can't have much effect.

Not exact matches

The origin of chemical coherence envisioned by Kauffman can be seen as related to the origin of coherent molecular motion in heat - driven convection.

one of those convection - fan ovens... which calls for recipes to lower the required temperature by around 25C?

Some of the larger growers use forced convection solar dryers, which reduces the time for sun - drying by 65 percent.

In a normal situation — let's say you're making burritos — you open the box, you fill up the sheet pans, put them in a convection oven, and then with hot pads you pull out hot, heavy sheet pans; then you put them in a rack, and cart them to your pass - through, put them in the back of your pass - through, and when it's time to eat then you pull them out one - by - one from the pass - through and onto your serving line.

Equipment received from this grant will consist of one (1) OV310 Mini-Rotating Rack Convection Oven (electric or gas) as well as a stand base, a two - year parts and labor warranty, delivery and installation by Hobart Services, and training and demonstrations with a sales representative.

Also, formula is thicker than water, which reduces the development of convection on short timescales (viscous inertia); you can verify this by heating a bowl of canned cream - style soup in a Pyrex cup.

Hotspots were thought to be caused by a narrow stream of hot mantle convecting up from the mantle - core boundary called a mantle plume, the latest geological evidence is pointing to upper - mantle convection as a cause.

«It gives us some insight into the connection between the slow circulation of near - solid rock in Earth's mantle caused by convection currents carrying heat upwards from the planet's interior, and observed active plate tectonics at the surface.

In short, assisted by tropical convection, the Hadley circulation exports energy from the upper - tropospheric tropics to higher latitudes, and circulation features of the middle latitudes link the tropics with the polar regions.

It is set in motion by the convection caused by the cooling of the core.

Meanwhile the MOLA data suggest that the elliptical northern hemisphere depression, some of the flattest terrain ever mapped, may have been an ancient seabed shaped by vigorous convection of the planet's mantle or tectonic plate recycling during the planet's formative stages.

One of the most harmful phenomena these investigations have discovered is the drift instability, which leads to small - scale turbulence of the plasma that efficiently transports heat and particles by convection to the outer regions, where they are lost and unable to contribute to nuclear fusion.

«The patterns of material that form,» Yodh said, «are influenced both by traditional equilibrium thermodynamics and by fluid convection and new structures with novel locked topologies form as a result.»

Burning embers from the bark of trees were carried aloft by shifting winds and updrafts of the fire's own convection currents for up to 20 miles, jumping across roads, clearing fire breaks, and starting new blazes on the parched ground.

«We then evaluated the system in rats with glioma and found that by using a method called intracranial convection - enhanced delivery, our nanoparticles could penetrate completely throughout the tumor following a single injection,» says Jordan Green, Ph.D, associate professor of biomedical engineering and ophthalmology at Johns Hopkins.

Like a cosmic lava lamp, a large section of Pluto's icy surface is renewed by a process called convection that replace older ices with fresher material.

It also was thought that planets were able to self - regulate their internal temperature via mantle convection — the underground shifting of rocks caused by internal heating and cooling.

But small planets and moons cool too quickly for a magnetic field to be maintained there by convection several billions of years after they form.

A sunspot is a region on the Sun's surface (photosphere) that is marked by a lower temperature than its surroundings and intense magnetic activity, which inhibits convection, forming areas of low surface temperature.

A team led by William McKinnon, deputy lead of the New Horizons Geology, Geophysics and Imaging team, also concluded convection is the most viable explanation for the polygons.

What we have done is to simulate the process of mantle convection by solving the equations which controls the process of mantle convection,» says Li.

Or they may be signs of convection driven by heat from Pluto's interior, creating «the same sorts of patterns you see when you look at the surface of a boiling pot of oatmeal, or like the blobs in a lava lamp,» Moore said.

A Columbia Engineering team led by Pierre Gentine, professor of earth and environmental engineering, and Adam Sobel, professor of applied physics and applied mathematics and of earth and environmental sciences, has developed a new approach, opposite to climate models, to correct climate model inaccuracies using a high - resolution atmospheric model that more precisely resolves clouds and convection (precipitation) and parameterizes the feedback between convection and atmospheric circulation.

The calculations in those studies said that the resistivity of the molten metal in Earth's core, which is generated by this electron scattering process, would be too low, and thus the thermal conductivity too high, to allow thermal convection to generate the magnetic field.

Determining the convection properties of most evolved and supergiant stars, such as the size of granules, has been challenging because their surfaces are frequently obscured by dust.

And by engineering the temperature distribution along the liquid - gas interface of the thicker layer, the convection cells and deformation of the thin film can be adapted to meet the specifications of a desired structure of interest.

For example, much of our understanding of the large - and small - scale convection patterns driving plate tectonics has come about by using Birch - type proxies for temperature and composition.

Reference: Oltmanns, M., J. Karstensen, J. Fischer (2018): Increased risk of a shutdown of ocean convection posed by warm North Atlantic summers.

While an increase in the amount of radiation the Earth receives by trapping outgoing IR would increase surface temps, would the increased surface temp not increase the convection and evaporation rates introducing a negative feedback?

«If Earth's core consisted only of iron, the free electrons in the iron could handle the heat transport by themselves, without the need for any convection currents,» says Karsten Held.

Coming hot off the heels of discoveries made by other observatories, including NASA's Kepler and CoRot (the Convection, Rotation, and Planetary Transits mission, led by France's CNES with contributions from the ESA), this spacecraft is intended to build significantly on our knowledge of the universe, the Solar System, and the formation of life in general.

slow movement of Earth's solid mantle caused by convection currents transferring heat from the interior of the Earth to the surface.

By contrast, in a convection zone the energy is transported by bulk movement of plasma, with hotter material rising and cooler material descendinBy contrast, in a convection zone the energy is transported by bulk movement of plasma, with hotter material rising and cooler material descendinby bulk movement of plasma, with hotter material rising and cooler material descending.

The team calculated the balance between tidal heating and heat transport by convection in the mantles of each planet.

Wang, W., and M. Schlesinger, 1999: The dependence on convection parameterization of the tropical intraseasonal oscillation simulated by the UIUC 11 - layer atmospheric GCM.

Presumably, the strong stellar wind emitted by giant stars eventually blows the titanium oxide out of the star's outer regions (along with hydrogen and helium gases and dust made of elements and molecules like carbon) into interstellar space, until vigorous convection brings out more titanium and oxygen that are created from nuclear processes deeper in the star.

Through a process known as convection, cooler nitrogen ice located in the middle of the cells falls away, and is replaced by a rising globule of (relatively) warm material, which has been heated by Pluto's feeble interior heat source.

Convections are currents of air or liquid caused by an uneven temperature distribution.

This might mean that it has a hot outer atmosphere heated by bubbling convection cells on the young planet — sort of a Jupiter on steroids.

«This method for propelling the mass outflows of red giant and supergiant stars was proposed by Sun Kwok in the same year that Martin Schwarzschild postulated the existence of large convection cells on these stars,» Lim said.

We describe the results with a hydrodynamic model that considers only convection of the particles by the cellular flow.

Abstract: Based on more than four weeks of continuous high cadence photometric monitoring of several hundred members of the young cluster NGC 2264 with two space telescopes, NASA's Spitzer and the CNES CoRoT (Convection, Rotation, and planetary Transits), we provide high quality, multi-wavelength light curves for young stellar objects (YSOs) whose optical variability is dominated by short duration flux burs... ▽ More Based on more than four weeks of continuous high cadence photometric monitoring of several hundred members of the young cluster NGC 2264 with two space telescopes, NASA's Spitzer and the CNES CoRoT (Convection, Rotation, and planetary Transits), we provide high quality, multi-wavelength light curves for young stellar objects (YSOs) whose optical variability is dominated by short duration flux bursts, which we infer are due to enhanced mass accretion rates.

1:20 PM Liu - Abundance Studies of Stellar Hosts of Terrestrial Planets 1:40 PM Kitiashvili - 3D Realistic Modeling of Stellar Convection as a Tool to Study Effects of Stellar Jitter on RV Measurements 2:00 PM Crossfield - Planet Densities (invited) 2:30 PM Break and Poster Viewing 3:00 PM Guyon - Coronagraphs for Planet Detection (invited) 3:30 PM Martins - Exoplanet Reflections in the era of Giant Telescopes 3:50 PM Close - Direct Detection of Exoplanets with GMT AO: A proof of concept design for a GMT Phase A ExAO planet imager 4:10 PM Direct Imaging Discussion - Led by Jared Males 5:20 PM End of meeting for the day 5:30 PM Buses depart for Monterey Bay Aquarium 6:00 PM Conference Banquet Wednesday, September 28 7:30 - 9:00 AM Breakfast 9:00 AM Lewis - JWST - ELT Synergy (invited) 9:30 AM Greene - Characterizing exoplanet atmospheres with JWST 9:50 AM Morzinski - Breaking degeneracies in understanding fundamental exoplanet properties with ELTs 10:10 AM Break and Poster Viewing 11:00 AM Cotton - Detecting Clouds in Hot Jupiters with Linear Polarisation 11:20 AM Boss - Summary

The question is how much of the energy is transferred by radiation, conduction and convection?

And energy out mostly by radiation, however, as much as 20 % of escaping energy is simply highly energized atmospheric molecules; which furthers vertical convection all the way out to the inside of Earth's magnetic bottle, and the Van Allen radiation belt.