What are the major density factors in convection process?
Answers
Answer:
Spontaneous convection is driven by buoyancy for the most part and surface tension to a lesser extent.
exposed surface area.
viscosity.
density.
conductivity (when conductivity is high, there is no need for convection)
acceleration due to gravity.
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Concept:
Density: The measure of how densely a material is packed together is called density. As the mass per unit volume, it has that definition.
Convection: The flow of a fluid (liquid or gas) across regions with varying temperatures is known as convection, which transfers heat.
To find -Major density factors in the convection process.
Given: Density factors affecting the convection process are of various types.
Explanation: A substance loses density when it expands; there are fewer particles and, thus, less mass per unit volume than there were before.
The action of gravity, however, causes a region of lower density to rise and float above the regions of higher density in liquids and gases (fluids).
The convection phenomenon of heat transfer is a result of the interaction of these two ideas—that heat produces a reduction in density and that fluids rise and fall in accordance with density.
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