HomePhysicalWhy does water in the fat pan cause "crackling" sound?

Why does water in the fat pan cause “crackling” sound?

Why does water in the fat pan cause “crackling” sound?

When unintentionally letting a drop of water fall into the hot grease pan, the pan immediately gave off a burst of “crackling,” and greasy splashes shot out. If you get fat on your hands or in the face, it can cause blistering!
This type of explosion is completely caused by water, suddenly changed and generated in a state of high temperature. The first transformation is water that turns into steam. Generally, hot fat pans typically have a temperature above 200 ° C (boiling point of fat). When the water drops fall into the greased pan, the droplet immediately evaporates at such a high temperature, turning into steam. The second process is a small liquid droplet enveloping steam that explodes. Because steam is lighter than fat, and water droplets are heavier than fat, the evaporation of water, once completed below the grease layer, steam bubbles begin to rise. Once up to the grease surface, the difference in and out the air bubble’s pressure leads to an explosion of air bubbles, causing grease to scatter.
Understanding this principle, when we place the pan to fry the food, we must pay close attention!


James Smith
I used to look up at the sky when I was a child and wonder what's in those stars. Growing up, when I had the opportunity to contact the source of human knowledge, I had more knowledge about the universe, the natural world, and created laws. Being the founder of Wikiwap is where I can share my understanding of the world around me in a simple way that readers can access knowledge like a child. You and I are parts of the world; life will always be beautiful.


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