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A theoretical analysis on stability of a moving interface in a porous medium for bingham displacing fluids and its application in oil displacement mechanism
Author(s) -
Pascal H.
Publication year - 1986
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450640303
Subject(s) - bingham plastic , displacement (psychology) , rheology , porous medium , mechanism (biology) , mechanics , newtonian fluid , interface (matter) , stability (learning theory) , non newtonian fluid , materials science , porosity , computer science , physics , composite material , bubble , psychology , psychotherapist , quantum mechanics , maximum bubble pressure method , machine learning
This paper deals specifically with the illustration of the rheological effects of non‐Newtonian behaviour of the displacing fluid in a radial displacement mechanism in a porous medium. As an example, a Bingham displacing fluid is considered. For this case the necessary and sufficient conditions for stability are derived and discussed. The results obtained are relevant for an adequate understanding of the rheological effects associated with Bingham displacing fluids on the moving interface stability. The existence of a critical value for the interface location from which the interface protuberances begin to damp out is shown.