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. Author manuscript; available in PMC: 2008 Jun 21.
Published in final edited form as: J Vib Acoust. 2008 Apr;130(2):021010-1–021010-10. doi: 10.1115/1.2827358

Table 1.

Acoustic properties of foam phantom and human lung tissue

Density ρ (kg/m3) Phase Speed cph (m/s) Attenuation in 10 cm (dB) (100–700Hz)
Foama 160 27.5 0.053–18
Lungb 250 23 0.16–54
a

Experimentally determined by authors.

b

Theory [16].