2000
DOI: 10.1106/v8xj-yfpq-lgl6-qvfm
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Gas Diffusion in Closed-Cell Foams

Abstract: The objective of this paper is to present an engineering model based on fundamentally sound but simplified treatment of mass diffusion phenomena for practical predictions of the effective diffusion coefficient of gases through closed-cell foams. A special attention was paid to stating all assumptions and simplifications that define the range of applicability of the proposed model. The model developed is based on the electrical circuit analogy, and on the first principles. The analysis suggests that the effecti… Show more

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Cited by 31 publications
(36 citation statements)
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References 20 publications
(58 reference statements)
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“…1,6,7 However an additional parameter, which might influence the gas diffusion, is sample size. Moreover, as far as we know, no set of data is available in the literature, but only marginal comments about the effect of sample size on the degassing behavior of closed-cell foams subjected to compressive static loading.…”
Section: Introductionmentioning
confidence: 99%
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“…1,6,7 However an additional parameter, which might influence the gas diffusion, is sample size. Moreover, as far as we know, no set of data is available in the literature, but only marginal comments about the effect of sample size on the degassing behavior of closed-cell foams subjected to compressive static loading.…”
Section: Introductionmentioning
confidence: 99%
“…5,6 Hence, understanding and modeling the gas diffusion process in closed-cell foams is of great importance from both fundamental and practical viewpoints. 1 In the previous investigations, the prediction of gas diffusion through closed-cell foams is accomplished via two different types of models that use either discrete or continuous approaches. The continuous diffusion models consider the foams as an homogeneous and isotropic medium through which a gas species "i" diffuses with an effective diffusion coefficient D eff,i .…”
Section: Introductionmentioning
confidence: 99%
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