Bernoulli's Principle - Airflow Shooting

Bernoulli Principle - Airflow Shooting/Fun Shooting/Bernoulli Ball/Slam Dunk Master - Science Museum Exhibits Scheme

What It Shows

Obedient ball, also known as air flow shooting, fun shooting, Bernoulli principle, Bernoulli ball, dunking expert, exhibition items consist of multiple metal tubes, balls, and metal rings with different diameters. The metal tube is set on the ground, and air continuously "erupts" from inside the metal tube. source factory of science museum exhibits - Shanghai Inertia Automation Co., Ltd. Participants can choose to place the ball on the metal tube, and they will find that the ball can float in the air. By moving the outlet of the metal tube and changing its direction, they can finally throw the ball into the metal ring. So as to understand Bernoulli's principle.

Science Behind It

Daniel Bernoulli proposed the Bernoulli principle in 1726. This is the fundamental principle adopted by hydrodynamics before the establishment of the continuum theory in fluid dynamics, which essentially involves the conservation of mechanical energy in fluids. Namely: kinetic energy+gravitational potential energy+compressive potential energy=constant. Its most famous inference is that when flowing at a constant height, the flow velocity is high and the pressure is low.

source factory of science museum exhibits - Shanghai Inertia Automation Co., Ltd. It should be noted that since the Bernoulli equation is derived from the conservation of mechanical energy, it is only applicable to ideal fluids where viscosity can be ignored and cannot be compressed.

How to Take Part

1. Pick up the ball from the storage slot, place it above any air outlet, press the corresponding "start" button, and observe the suspended state of the ball;

2. Slowly move the air outlet to make the ball move together, and try to pass the ball through the ball frame or metal ring.

form of expression

Mechanical interaction

video demonstration