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What mechanisms convection conduction or radiation is warm breeze blowing inland?
Wiki User
∙ 9y ago
A warm breeze blowing inland is much more convection than conduction or heating by radiation , although there is some of all three processes in effect.
Convection refers to fluid dynamical movements including currents of molecules via advection (large-scale motion and mass transport) and/or diffusion (random molecular scale energy swapping between particles).
You could think of the diffusion aspect of convection as the primary modality of conduction, or direct heat transfer, such as cool water warming in a hot kettle. Usually solids (such as metals) are better heat conductors than less dense materials including atmospheric gases, which are usually considered insulators. The sun-baked sand "feels" much hotter than the air above it, for example.
As far as radiative heating goes, where sun shines through the atmosphere, only a small amount of light is absorbed by the air, directly heating it. Most of the light is absorbed by earth solids and liquids, or is reflected back through the atmosphere and away. The heating of the ground via radiation conducts heat into adjacent atmospheric gases, and in turn, those gases conduct their energy to other atmospheric gases. The aggregate heat transfer integrated over a very large number of such interactions is what culminates in the warm breeze we experience. This warm breeze (and the thermals that produce cumulus clouds) is convection, whereas the sun heating your body is due to heating by radiation, and the hot sand burning your feet is due to conductive heat transfer.
Wiki User
∙ 9y ago
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Blowing air or fanning a small fire makes it stronger or bigger?
blowing air gives more oxygen so it makes the fire bigger
What is a fair test in science?
blowing up your head
'why does the fan still run on the unit after it cycles is over. But it is blowing hot air not cold?
why does the fan still run on the unit after it cycles is over. but it is blowing hot air not cold
Why tea is cooled more rapidly by blowing?
Hot vapors are rising from the tea. When you blow these vapors away more can rise faster to replace them. Thus more hot vapor (and thus more heat) can leave the tea while you are blowing than when you are not and the tea cools faster.
Wind blowing 36 mph what is this in knots?
36 mph = 31.3 knots.
Can anyone give me a list of about 12 places that heat travels and whether it's by convection conduction or radiation?
1. From the sun to the earth, radiation 2. Heating lamp to you, radiation 3. You touching a hot stove, conduction 4. Heater blowing hot air, convection 5. Why the air heats up during the morning radiation from the ground, which is heated by radiation from the sun. That's all I could think of on the top of my head.
How does a fan blowing air over an electric component keep it cool in terms of conduction and convection?
The moving air from the fan is picking up energetic molecules and carrying them off. This lowers the average motion of the molecules then lowering the overall temperature.
Why does wind chill occur?
In physics, we observe what happens and try to predict it, seldom does that answer why something happens. wind chill is caused by "convection cooling". Air (wind) moving past a body (convection) takes more heat away than when air is not moving (radiation). A perfect example is blowing air over a spoon of soup to cool it.
What materials cant heat travel through?
There is no material that completely prevents the flow of heat. However, materials that are good insulators have low thermal conductivity, meaning they slow down the transfer of heat. Some examples of good insulators include air, wool, fiberglass, and certain types of foam or plastic.
What heat transfer is used when a fan is blowing?
Actually, there isn't any heat transfer when a fan is blowing. But, if you really need the answer, the closest one would be radiation.
The ways in which a human can gain and lose heat?
A person can lose/gain heat in five ways: Conduction is the transfer of heat directly from one object to another. For example sitting on the cold leather seats of an unwarmed vehicle. Convection is the loss of heat through moving air or liquid. When it is cold we lose heat through the blowing wind Evaporation occurs when a liquid changes into a gas. Sweating is an example of evaporation. Radiation is heat sent outward into the air from your body and into nearby colder objects. It is also known as infrared energy. Respiraton is also when our body breathes in warm and humidified air and exhales carrying heat from the body.
What happens in a convection cells?
A convection cell is a system in which a fluid is warmed, loses density and is forced into a region of greater density. The cycle repeats and a pattern of motion forms. Convection cells in Earth's atmosphere are responsible for the blowing of wind, and can be found in a variety of other natural and manmade phenomena. Matter is constantly losing density in convection cells.
How does the energy from the sun produce waves?
It warms the atmosphere which causes convection and wind. The wind blowing across the surface of water causes waves.
Are silvered surfaces good or poor absorbers of infrared radiation?
Very very poor, they have a tendency of blowing you IP.
What is the past continuous of blowing?
Was/Were blowing.
Is blowing a noun?
no blowing is a verb
How does the heat energy get from the hot water to the outside of the radiator?
The hot water is in contact with the metal casing of the radiator, so that metal radiator takes some heat from the water. The heat then passes from the inside metal of radiator to the outside metal of the radiator through convection. The outside metal of the radiator then passes it to the air that is blowing by it outside.
