Abstract
Various cases of diffusion with constant diffusivity in cylinders are considered, when:
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The cylinder is sufficiently long to be considered infinite, so that the diffusion is essentially radial through the circular cross-section.
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The cylinder is of finite length, and longitudinal and radial diffusion take place simultaneously, with the same diffusivity.
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The rate of evaporation is either infinite, so that the concentration of the substance on the evaporating surface falls to zero as soon as the process starts, or finite.
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The transfer is carried out under transient conditions in the case of a solid cylinder.
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The transfer under stationary conditions is studied in the case of a tube where these conditions can be attained.
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References
Crank J. The mathematics of diffusion, 2nd edn, Clarendon Press, Oxford, 1975, pp 69–88
Adda Y, Philibert J. La diffusion dans les solides, vol. 1. Presses Universitaires de France, Paris, 1966
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© 1992 Springer-Verlag London Limited
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Vergnaud, JM. (1992). Cylinder. In: Drying of Polymeric and Solid Materials. Springer, London. https://doi.org/10.1007/978-1-4471-1954-8_3
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DOI: https://doi.org/10.1007/978-1-4471-1954-8_3
Publisher Name: Springer, London
Print ISBN: 978-1-4471-1956-2
Online ISBN: 978-1-4471-1954-8
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