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Diffusion coefficient and partition coefficient are two critical parameters that describe the emission characteristics of building materials. These parameters could be obtained from least-square regression by fitting the model predictions with the experimental data obtained by widely used small chamber tests. The chamber data quality is important to the reliability of the regression results. In this...
An analytic model describing the one-dimensional transient VOC diffusion in the building material slab was selected. An inverse analysis was applied to estimate the volatile organic compounds (VOCs) constant diffusion coefficient (D) and partition coefficient (K) in the building material. The present parameter estimation problem was solved with Levenberg–Marquardt's method of minimization of the ordinary...
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