Funnel and ball

1.

Problem №4
FUNNEL AND BALL
A light ball (e.g. ping-pong ball) can be picked
up with a funnel by blowing air through it.
Explain the phenomenon and investigate the
relevant parameters.
TEAM
RUSSIA
СУНЦ
УрФУ
–1
Vladimir Fokin as a reporter

2.

Problem statement
A light ball (e.g. ping-pong ball) can be picked up with a funnel by blowing air through it.
Explain the phenomenon and investigate the relevant parameters.
Phenomenon
picking up
Relevant parameters
holding
Diameter of a nozzle, DN
Velocity of an air flow, v
Mass of a ball, m
Diameter of a ball, d
Cone angle,