This is a quote from NASA. The Venturi effect is based on Bernelli's theory.
When a gas flows over an object, or when an object moves through a gas, the molecules of the gas are free to move about the object; they are not closely bound to one another as in a solid. Because the molecules...
It's a tough theory to wrap your brain around. I can see both sides to the issue. In theory you could consider the air to push the water because it is being introduced with an airstone and is not present to begin with. Displacing is truly pushing, the argument then becomes why do the water...
Thanks for any replies in advance.
I am currently trying to discern the theory behind an air-lift. A very large group of people are currently debating exactly how an air-lift works.
Imagine a pond with a pipe in it. An airstone is place at the bottom end of the pipe and air is pumped...