How does an atomizer work?
1 year ago
9
A spritz of perfume from an old-fashioned atomizer is Bernoulli's principle at work.
When you push air from the bulb through a slender nozzle, the airflow speeds up, and its pressure falls.
Since the nozzle end is attached to a tube inside the airtight bottle of perfume, this jet of low-pressure air creates a vacuum that sucks the liquid into the airflow, spraying it out in droplets.
Other devices that suck a fluid (liquid or gas) into an accelerated (and thus low-pressure (airstream include a chimney drawing smoke upward and a fuel-injection system spraying vaporized gasoline into a car engine.
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