How a Siphon Works: Visual Explanation of Fluid Transfer #3558631 (License: Personal Use)

This diagram illustrates a classic siphon setup: a U-shaped tube partially filled with liquid, where an initial push (indicated by the red arrow) starts flow from a higher tank into the tube. Gravity then pulls the liquid down the longer outlet leg, creating reduced pressure that draws more liquid from the source. Bubbles suggest fluid motion and possible air entrainment during operation.

Used in educational content about fluid dynamics, plumbing, aquarium maintenance, or DIY projects; matches user intent to understand siphon principles visually.