Sentences with phrase «of air convection»

This physical system (multiple cells of air convection) acts in the Earth's troposphere like a continuous surface cooler.

Not exact matches

The fourth is that the air that comes out of the oven first is sent through a catalytic converter, so it is cleaner when it is exhausted than when it was drawn into the oven for its convection - style cooking.

Convection Baking: This feature circulates the hot air around the inside of the oven to ensure even cooking on all sides.

While other, similar products allow for outside temperatures to affect your drink through the convection process, this bottle's vacuum insulation creates a space between the walls of the container with no air, which stops convection and helps to retain the temperature.

Beyond frying, the convection design of this air fryer makes it a mini oven for roasting meats or baking cakes as well!

Rapid vertical mixing in the convection areas that exist everywhere over the warm ocean and in which the warm air rises takes care of the rest.

The swirling dislodged particles travel upward with the human convection plume, or currents of warmed air that rise around any human body, then get swept into a filter that takes out contaminants like dust, lint, and skin cells.

Instead, they are cooled with convection — a natural flow of air.

«For various periods over the last 60 years, we have been able to combine important processes: atmospheric variability, such as the North Atlantic Oscillation, water and air temperatures, the occurrence of fresh surface water, and the duration of convection,» explains Dr. Marilena Oltmanns from GEOMAR, lead author of the study.

These shifts also mean that there is a broad area of rising air in the Pacific, which promotes convection, the process that drives tropical cyclones.

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

By comparison, conventional saunas must rely only on indirect means of heat: first, on convection (air currents) and then, conduction (direct contact of hot air with the skin) to produce its heating effect.

Therefore, look for convection saunas that can sustain air temperatures of 170 - 200 F, the range cited in most published clinical literature.

Effect of different air / steam convection cooking methods on turkey breast meat: Physical characterization, water status and sensory properties.

This air supply improves convection of the brake rotor vanes, reducing heat build up compared with conventional airflow, thus increasing brake performance.

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One type of forced convection is when the cold air from the poles flows under the warmer subtropical air, which results in wind shear.

Re: # 32 «Natural [free] convection is due to the low density of the air caused by the lighter water vapour.»

Natural convection is due to the low density of the air caused by the lighter water vapour.

Trap the air in smaller values; it moves less, and some of the insulation value overcomes convection.

Changes in convection and cloud formations through altered air moisture (CAPE) could have implications for the coupled mode mechanisms, as would a deeper thermocline (usually situated near the bottom of the warm surface layer).

Predicting sea ice extent is easy if you can mentally calculate wind variations, momentum, sea currents, multi year ice compression ratios, tidal synergy with weather patterns, the AO, the temperature of ice sea water and air, how cloudy it will be, salinity, pycnocline convection rates, sea surface to air interface, CO2 exchange, ice thickness distributions.....

In the context of climate and weather, the term convection often is meant to include the conduction and diffusion at the surface; these fluxes heat a thin layer as convection cools it, thus the tendency is that approximately the same flux continues from the surface through a short distance of air, changing from conduction and diffusion into convection along the way.

The troposphere is not everywhere at all times locally vertically coupled by convection; in particular, at night and at high latitudes, especially in winter, and where there is warm air advection aloft, some layer of air can become stable to localized convection.

Radiative equilibrium at small LW optical thickness occurs when the whole atmosphere has a temperature such that the Planck function is about half of that of the surface (a skin temperature), whereas at larger LW optical thicknesses, the equilibrium profile has a signficant drop in the Planck function through the atmosphere, approaching half the OLR value at TOA and approaching the surface value towards the surface — of course, convection near the surface will bring a closer match between surface and surface - air temperatures.

The main climate change connection is via the basic instability of the low level air that creates the convection and thunderstorms in the first place.

For reference, the amplification is related to the sensitivity of the moist adiabat to increasing surface temperatures (air parcels saturated in water vapour move up because of convection where the water vapour condenses and releases heat in a predictable way).

To the «hatchet job» inference (# 177), I listened with my ears and nobody else's to the May 6th «Fresh Air» interview, when Gore moved from an ethanol / food price debate, to his joke about some minister's absurd believe that Katrina was New Orleans» punishment for a gay pride parade, to his clear inference that Myanmar and, previously, Bangladesh, are part of an emerging consensus that the trend towards more Category 5 and stronger storms appears to be linked to AGW, specifically the heating of the upper oceans, driving convection energy, etc..

Re 346 ziarra — the flow of heat (between adjacent layers of material via conduction, convection, or mass diffusion, or potentially across larger distances via emission and absorption of photons) will be from hot to cold (or from higher to lower concentrations of a substance carrying heat, which might end up being from cold to hot in some conditions, such as a wet surface cooling by evaporation into warm dry air).

The function of the DNA was not to produce proteins or regulate or translate them, but rather the nucleotide function was simply to provide an electrical feedback to convection processes that occur w / cirrus clouds that can trap heat, compress air and cause rain over ambient, lifeless winds and climate inputs.

If we look at the air temperature on a micro scale it was more likely that there would be a temperature inversion layer within feet of the surface which would have reduced the cool to warm convection in the absence of wind.

Since the stratosphere is warmer than the troposphere the convection will halt when the parcel of air reaches the tropopause, the top of the troposphere.

Located along the Andes Mountains, it is the largest lake in South America and is situated in such a way that mountain breezes tangle with warm lake air to create a perfect storm, so to speak, of storms — an enduring deep convection that results in 297 thunderstorms a year.

Increasing the temperature of the air near the surface by one degree will cause convection.

If you increase the temperature in the bottom of a column of air, convection will increase.

A simple (dirty — uncontrolled) experiment Central heating radiator Thermocouple (0.5 mm bead — fast response) inside cardboard tube 1cmx1cm (to isolate from radiation) Height at level of radiator top Still Air 50 cm 23.8 deg C 10 cm 23.6 deg C (convection currents drawing cool floor level air up through tuAir 50 cm 23.8 deg C 10 cm 23.6 deg C (convection currents drawing cool floor level air up through tuair up through tube?

Actually, it's the upward convection of warm moist air that helps out with cooling, not the raining part.

The point isn't a «perpetual increase in atmospheric pressure» — that's a misnomer — if you consider the MASS of the atmosphere that is continuously «pumped» from cold air to hot air to cold air again, high up in the atmosphere — that creates «potential energy» from the kinetic energy of the convection — adiabatic expansion of the atmosphere is the result — the adiabatic compression occurs on the return trip of the previously warmed (from radiative energy) air as it completes the «cycle» as it comes back down!

Chris V. (20:21:44): Actually, it's the upward convection of warm moist air that helps out with cooling, not the raining part.

The same principle of convection is used to heat homes and make hot air balloons rise.

This intensification increases precipitation within the convective zone but also causes narrowing of the convective zone and suppression of convection in the neighboring air subsidence zones.

The major outflow of heat from the air is via radiation and convection (dry air being a very good insulator) The ocean loses energy to the air, which in turn, loses it, ultimately, into space.

The temperature of the air stabilizes when the heat gained from the water equals the heat lost due to radiative transfer into deep space or convection.

In the case of land the energy hardly penetrates the ground at all but is then conducted back to the air provoking convection.

Convection is based on the VERY near surface temperature whereas SB is based on the temperature of the larger air mass in radiative exchange with the surface.

Now you have the physical cause for the convection in the troposphere and the linear slope observed there, it is caused by the physics of the transmission of thermal radiation through the air.

Effects of explicit convection on land surface air temperature and land - atmosphere coupling in the thermal feedback pathway, in revision for JAMES.