Arrange the following stages of a natural convection loop in the correct chronological order, starting from the moment a home baseboard radiator is turned on.
- 1Air near the radiator absorbs heat, expands, and becomes less dense.
- 2The less dense, warm air rises toward the ceiling.
- 3As the air moves across the room away from the radiator, it transfers heat to the surroundings and cools, becoming more dense.
- 4The cooler, denser air sinks toward the floor and is drawn back toward the radiator.
Cevap
The correct sequence is: Air absorbs heat and expands -> Warm air rises -> Air cools across the room -> Cooler air sinks to the floor.
A natural convection loop is driven entirely by continuous changes in fluid density caused by temperature differences. Heating the fluid decreases its density, causing it to rise via buoyancy. As the fluid circulates away from the heat source, it cools, increases in density, and sinks, creating a continuous physical circulation pattern.
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Anahtar Kavram
Density-driven natural convection loops
Tahmini Süre:45s