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Evaluation of super-heated steam vacuum drying

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Evaluation of super-heated steam vacuum drying ( evaluation-super-heated-steam-vacuum-drying )

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Plate 21. Non-reconditioned (left) and reconditioned (right) cross sections–MES1 Plate 22. Example of MeshPore contour generation We accurately determined the surface area of each cross section using MeshPore (Perré, 2005b), an image analysis software package developed to characterise the morphology and produce finite element meshes of wood anatomy. Using MeshPore, cross–section edge contours could be rapidly generated (Plate 22), and the surface area automatically calculated. The comparative cross-sectional area results between reconditioned (Ar) and non- reconditioned samples (Anr) before and after vacuum drying, and the ratio of cross sectional area of dried reconditioned and non-reconditioned samples to the original green cross sectional area (Ag) for all vacuum trials are presented in Figure 47 and Table 57. Significant differences do not exist between the cross–sectional surface area of reconditioned and non– reconditioned samples before drying for each vacuum trial. However, significant differences between the means of vacuum dried reconditioned and non–reconditioned samples and dry/green ratios exist for each trial, as evident from the scattergrams. The results show a significant increase in the average cross–sectional area between dry non–reconditioned and reconditioned samples and corresponding dry/green cross–sectional area ratios. We propose 87 Evaluation of super–heated steam vacuum drying viability and development of a predictive drying model for Australian hardwood species – Final report

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Evaluation of super-heated steam vacuum drying

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