2020
DOI: 10.1016/j.apacoust.2020.107452
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X-ray tomographic image post-processing and a new 2D LBM simulation for the determination of the porosity and the static airflow resistivity of an acoustic fibrous material

Abstract: A set of X-ray tomographic images of a highly porous material composed of air-saturated coconut fibers is considered and used to estimate intrinsic characteristics of the material. Two physical properties are of interest: porosity and static airflow resistivity. For the porosity, two-dimensional gray-scale tomography images are obtained and post-processed to produce approximative black and white ones, unambiguously attributing distinct regions to fibers and air locations. The porosity is then directly deduced … Show more

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Cited by 4 publications
(2 citation statements)
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“…A special methodology with a fuzzy regression model based on processing the tomographic images was developed to overcome the problem of uncertainty with censorship and scatter. In works [9][10][11][12] examples of tomography methodology in varied scientific fields were described.…”
Section: Methodology and Materials Of The Experimentsmentioning
confidence: 99%
“…A special methodology with a fuzzy regression model based on processing the tomographic images was developed to overcome the problem of uncertainty with censorship and scatter. In works [9][10][11][12] examples of tomography methodology in varied scientific fields were described.…”
Section: Methodology and Materials Of The Experimentsmentioning
confidence: 99%
“…To overcome the problem with uncertainty with censorship and scatter, a special methodology with fuzzy regression model based on processing the tomographic images was developed. In [8][9][10][11] the examples of such methodology in varied scientific fields are described. The paper [12] describes the developed model of fuzzy control of the production capacity of a natural gas liquefaction complex based on the theory of fuzzy sets.…”
Section: Methodology and Materials Of The Experimentsmentioning
confidence: 99%