Abstract
Creeping flow through an array of spheres with small volume fraction φ is studied theoretically. It is observed that it can be described macroscopically by Brinkman's equation. A generalized version of the reciprocity relations is used to determine the viscous term up to O(φ2) for the case of random configuration and up to O(φ3) for the case of periodic, cubic configurations of the fixed bed.
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Mauri, R. A new application of the reciprocity relations to the study of fluid flows through fixed beds. Journal of Engineering Mathematics 33, 103–112 (1998). https://doi.org/10.1023/A:1004299402988
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DOI: https://doi.org/10.1023/A:1004299402988