Abstract
A theoretical investigation has been made of the flow of a rigid core surrounded by an annular liquid layer through a horizontal tube. Special emphasis is placed on the question how the gravity force on the core, caused by a possible density difference between the core and the annular layer, is counterbalanced.
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Ooms, G., Beckers, H.L. The flow of a rigid core surrounded by an annular liquid layer through a horizontal tube. Appl. Sci. Res. 26, 321–334 (1972). https://doi.org/10.1007/BF01897860
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DOI: https://doi.org/10.1007/BF01897860