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Funnel and ball
1.
Problem №4FUNNEL 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 statementA 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,