OSCILLATORY FLOW INVESTIGATIONS IN POROUS MEDIA

Gregory M. Smith, Kevin R. Hall

Abstract


A series of experiments has been conducted at the Coastal Engineering Laboratory of Queen's University in order to investigate the characteristics of accelerating flow through porous media. The nature of the steady flow law in coarse granular material has been reasonably well defined from a large number of previous studies. Variations on this steady flow law have been applied to the case of oscillatory flow, in numerical models of forces in breakwaters for example, with the explicit assumption that the steady law is applicable to the unsteady case. Few experimental investigations have been conducted to verify this assumption. Hence the present study was designed specifically to test the applicability of the steady flow law (Forchheimer's equation) to oscillatory flow.

Keywords


porous media; oscillatory flow; flow investigation

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