Deduction of tortuosity and porosity from acoustic reflection and transmission measurements on thick samples of rigid-porous materials
(2005)
Journal Article
Umnova, O., Attenborough, K., Shin, H., & Cummings, A. (2005). Deduction of tortuosity and porosity from acoustic reflection and transmission measurements on thick samples of rigid-porous materials. Applied Acoustics, 66(6), 607-624. https://doi.org/10.1016/j.apacoust.2004.02.005
An acoustic method for obtaining the tortuosity, and porosity of thick samples of rigid porous materials consisting of large (>1 mm) grains or fibres is proposed. The method uses pulses with central frequencies close to 12 kHz and an approximate... Read More about Deduction of tortuosity and porosity from acoustic reflection and transmission measurements on thick samples of rigid-porous materials.