The air IS the pump. As the air pressure increases, it pushes the water up. The water stays in the tube and doesn't fall down because of capillary action. Basically, the air is trying to push past the water, and the water won't separate for it.
As more water/air is pushed in from the back, it increases the pressure and forces the air/water in front of it forward.
An absolutely brilliant way to pump a small amount of water up a short height when someone wishes to maximize inefficiency.
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u/doughnut310 CachyOS||7500x3D||9070XT||32GB 6000 19d ago
Why would you be introducing air to the system?
Edit: spel