Fluctuating flows
Hydroacoustics and ship noise
Article REF: BR2030 V1
Fluctuating flows
Hydroacoustics and ship noise

Author : Gérard FOURNIER

Publication date: April 10, 2009 | Lire en français

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2. Fluctuating flows

A small variable volume (pulsating sphere) within a fluid constitutes a monopole acoustic source. Its far-field radiated sound pressure is :

p(r,ω)=iωρ0a2rvn( 7 )

with :

ω
 : 
wave pulsation (ω = 2 π f),
v n
 : 
amplitude of the radial...
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