Thermodynamics – What exactly is Sensible vs Latent cooling?

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What exactly is Sensible vs Latent Cooling? How do they add up to give Total Cooling?

When we stand in front of an AC or Vent, the cool air that we feel, is that only Sensible cooling or Total Cooling?

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2 Answers

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Latent heating/cooling is contributing toward a phase change. Sensible heating/cooling can be sensed, because it changes temperature.

If I have a bowl of ice and water at equilibrium, and slowly add heat, the temperature doesn’t change, but the ice will gradually change phases to liquid water. After all the ice is melted, the temperature will go up.

When you feel cool air, it’s sensible (consider that you sensed it). There’s no phase change.

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