Question

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What is Convection?​

Answer 1

Answer:

the process in which heat moves through a gas or a liquid as the hotter part rises and the cooler, heavier part sinks

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Answer 2

1. Convection is single or multiphase fluid flow that occurs spontaneously due to the combined effects of material property heterogeneity and body forces on a fluid, most commonly density and gravity.
2. the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
3. "the final transfer of energy to the surface is by convection"

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