) A single shallow convection cycle takes on the order of 50 million years, though deeper convection can be closer to 200 million years.

Mantle convection is the slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior of the Earth to the surface.

Then finally it is cooled at room temperature.

A convection heat storage unit (CHS) system is similar to an ICS system, except the storage tank and collector are physically separated and transfer between the two is driven by convection.

Conduction, convection, and radiation all occur more rapidly over large thermal gradients.

This may be caused by the disappearance of a helium convection zone near the surface.

The occurrence of convection in the outer envelope of a main sequence star depends on the mass.

In the engineering sciences, heat transfer includes the processes of thermal radiation, convection, and sometimes mass transfer.

Then re inject the now cooled water for another pass through the subsurface.

The form of the cooled surface often is a so called cold finger.

Within the context of a solar collector, convection and radiation are the most important sources of heat loss.

Liquid water is evaporated on the cooling fins, releasing the vapor into the cooled area.

The steel is then air cooled, which is a cooling rate of approximately per minute.

The older spent fuel that has cooled for about five years is placed in hardened, dry storage casks, and the younger, more radioactive, and hotter spent fuel is cooled in pools of water surrounded by strong containment structures.

Relations have cooled since the current King of Jordan took office in 2000, but remain good.

The convection between the relatively warm water and cold air in the winter plays an important role in the Arctic climate.

And then when the air comes back after it's been cooled it picks up that heat again.

As the universe cooled, the rest mass energy density of matter came to gravitationally dominate that of the photon radiation.

The Cray 2 was liquid cooled, and used a Fluorinert cooling waterfall which was forced through the modules under pressure.

A. Fleming, of University College London, in the investigation of the electrical behaviour of substances cooled to very low temperatures.

Moreover, relations with China cooled after the Tiananmen Square shootings in 1989, and the Clinton administration had to devise a new approach.

Tempers cooled soon enough, but India was always regarded as tilting toward the Kremlin, hardly a recommendation for warm relations in American eyes.

Now it's important to understand that this room is cooled by water, heated by water, filters its own water, and it's powered by water.

In 1783, a volcano in Iceland spewed so much ash into the atmosphere that the entire northern hemisphere was cooled for almost three years.

I mixed them up, heated them, cooled them down, and I got 50 billion little smiley faces floating around in a single drop of water.

After the end of formation, the subsurface layer cooled, while the interior of Ariel heated due to decay of radioactive elements present in its rocks.

After the end of formation, the subsurface layer cooled, while the interior of Umbriel heated due to decay of radioactive elements present in its rocks.

According to counsel, the information available indicates that he is held in a 2 m2 cell, which is artificially cooled, dark, and without a mattress.

Most of the drying is done using microwaves to evaporate the water, but the final drying is done by convection heating, to avoid problems of arcing with metal pieces in the laundry.

And in cheesecake and all kinds of desserts, like chocolate mousse, tiramisu, vanilla pudding, everything that's cooled in the supermarket, there's gelatin to make it look good.

When liquid helium 4 is cooled to below 2.17 kelvins ( 271.17 C) it becomes a superfluid, with properties that are very unlike those of an ordinary liquid.

In 1974, Mikhail Budyko suggested that if global warming became a problem, the planet could be cooled by burning sulfur in the stratosphere, which would create a haze.

What remains highly uncertain, however, is whether an obviously overheating market can be cooled without sending America, and its main trading partners around the world, into an economic tailspin.

Applications Values of the Biot number smaller than 0.1 imply that the heat conduction inside the body is much faster than the heat convection away from its surface, and temperature gradients are negligible inside of it.

The flue gases are then cooled in the superheaters, where the heat is transferred to steam, heating the steam to typically at a pressure of for the electricity generation in the turbine.

In 1991, the eruption of Mount Pinatubo in the Philippines created a haze of sulfur in the higher atmosphere that cooled the entire planet approximately half a degree Celsius for two years afterwards.

Godrej s engineers observed that if the objective was only to keep food from spoiling, and not necessarily to make ice, it would be sufficient if the refrigerator cooled to a few degrees above zero centigrade.

Coupled with internal heating as a result of gravitational sorting between the core and the mantle, there would have been a great deal of mantle convection, with the probable result of many more smaller and much more active tectonic plates than in modern times.

Refrigerator trucks can be ice cooled, equipped with any one of a variety of mechanical refrigeration systems powered by small displacement diesel engines, or utilize carbon dioxide (either as dry ice or in liquid form) as a cooling agent.

Radiant cooling may also be integrated with other energy efficient strategies such as night time flushing, indirect evaporative cooling, or ground source heat pumps as it requires a small difference in temperature between desired indoor air temperature and the cooled surface.

Freezing In a lab, this is often done by placing the material in a freeze drying flask and rotating the flask in a bath, called a shell freezer, which is cooled by mechanical refrigeration, dry ice and methanol, or liquid nitrogen.

And the three major phases of the early universe was energy, when the dominant force was energy then it became, the dominant force, as it cooled, became matter and then, with the invention of life, four billion years ago, the dominant force in our neighborhood became information.

Cailletet succeeded in producing droplets of liquid oxygen in 1877 by a different method than Raoul Pictet He used the Joule Thomson effect oxygen was cooled while highly compressed, then allowed to rapidly expand, cooling it further, resulting in the production of small droplets of liquid oxygen.

This is a greenhouse designed for arid coastal regions, and the way it works is that you have this whole wall of evaporator grills, and you trickle seawater over that so that wind blows through, it picks up a lot of moisture and is cooled in the process.