Question

Why does transfer of heat in fluids take place by convection?​

Answer 1

Answer:

Heat transfer in fluids generally takes place via convection. Convection currents are set up in the fluid because the hotter part of the fluid is not as dense as the cooler part, so there is an upward buoyant force on the hotter fluid, making it rise while the cooler, denser, fluid sinks

Explanation:

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Answer 2

Explanation

• Convection is the process through which thermal energy is moved from hot to cool locations.
• Warmer regions of a liquid or gas ascend to colder regions of the liquid or gas, a process known as convection.
• The warmer regions that have ascended higher are then replaced by cooler liquid or gas.
• A continuous circulation pattern is produced as a result. These convection currents can be seen,
• For example, while water is boiling in a pan. The atmosphere is a good illustration of convection. The sun heats the earth's surface, causing warm air to ascend and cool air to flow in.

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