Understand the Problem
The extracted content describes forced convection in heat transfer, specifically focusing on the differences between forced and free convection, and outlines the steps to solve related problems.
Answer
Forced convection: external forces; Free convection: buoyant forces.
The main difference between forced and free convection is that forced convection involves flow patterns determined by external forces, while free convection involves flow patterns determined by buoyant forces on the heated fluid.
Answer for screen readers
The main difference between forced and free convection is that forced convection involves flow patterns determined by external forces, while free convection involves flow patterns determined by buoyant forces on the heated fluid.
More Information
Forced convection often requires additional equipment like fans or pumps, whereas free convection relies on natural temperature differences.
Tips
A common mistake is confusing which forces are predominant in each process. Ensure clarity on the difference between external and buoyant forces.
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