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Bernoulli's Principle Simulator (2D)

Interactive 2D Bernoulli's principle simulator: watch air accelerate and lose pressure through a narrowing Venturi tube, read live speed and pressure at each station, and see a ball self-center as it levitates in a rising jet.

Fluid Dynamics & Aerodynamics2DEasy60 FPS📱 Mobile-adapted⇄ 3D version

This 2D simulator visualizes Bernoulli's principle two ways at once: a horizontal Venturi tube where colored flow particles speed up through a narrowing throat and slow back down on the far side, with live speed and pressure readouts computed from the continuity equation and P + ½ρv² = const; and a vertical air jet that levitates a ball, which you can drag sideways to see the pressure difference between the fast jet core and the slower surrounding air pull it back to the center. Adjust the inlet speed, throat narrowing and fluid to see how each changes the pressure drop.

⚙ Under the hood

Watch air accelerate and lose pressure through a narrowing Venturi tube with live speed and pressure readouts, and drag a levitating ball to see it self-center in a rising jet.

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install