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Feb 1, 2011 · Login or Create a Free Account. Convection is when different parts of a fluid move in a more-or-less circular path, with parts of the fluid at the bottom moving to the top and vice versa. Here fluids refer to both liquids and gases. Convection happens when you have two fluids together that are different densities, but we can come up with a more ...
Nov 21, 2023 · Conduction is the transfer of energy as heat or electricity through the direct physical contact between matter or particles of matter. Examples of heat conduction would be touching the hot ...
Jul 16, 2020 · A properly designed heating system using natural convection, like this one, can be quite efficient in uniformly heating a home. Figure 8.7.2 8.7. 2: Convection plays an important role in heat transfer inside this pot of water. Once conducted to the inside, heat transfer to other parts of the pot is mostly by convection.
Nov 21, 2023 · The sun is the star that holds our solar system together. The gravitational pull of the sun controls the orbits and locations of the planets, including Earth. The sun appears significantly larger ...
Take two small pots of water and use an eye dropper to place a drop of food coloring near the bottom of each. Leave one on a bench top and heat the other over a stovetop. Watch how the color spreads and how long it takes the color to reach the top. Watch how convective loops form.
Jan 2, 2023 · Convection is of two types – natural and forced. Natural convection is due to buoyancy and the buoyant force acting on the fluid. For natural convection to occur, there has to be a temperature difference across the fluid. Examples of natural convection include sea breeze and land breeze. Forced convection occurs when an external agent, like a ...
