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Why Does Blowing on Something Dry It?

Robert Thorne • • 7 min read
Why Does Blowing on Something Dry It?

Evaporative Cooling
Here's how it works. Water molecules in hot foods and drinks have enough energy to escape into the air, changing from liquid water to gaseous water (water vapor). ... When you blow on the food, you push away the vapor cloud, lowering the vapor pressure and allowing more water to evaporate.

Does blowing air dry faster?

Airflow rate

If, for example, the air is static, water leaving your clothes as vapor will mostly settle near the surface of your clothes as the air is not moving to blow the vapor away. ... This can help explain why clothes dry faster in breezy and dry conditions than they would in breezy but wet conditions.

Does blowing create moisture?

Your AC's refrigerant coils absorb heat and moisture from the air inside your home. That cold air is then blown into your home but the moisture is left behind sitting on the coils. ... But if your fan is set to ON, the fan runs continuously and blows the moisture right back into your house.

Robert Thorne
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Robert Thorne

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.