Influence of an upper layer liquid on the phenomena and cavity formation associated with the entry of solid spheres into a stratified, two-layer system of immiscible liquids

Benedict Tan, Peter Thomas

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Abstract

New phenomena not previously documented in the available literature have been experimentally observed subsequent to the entry of falling steel spheres into a stratified system of a shallow layer of sunflower oil above a deep pool of water. Further experiments on similar sphere entries into sunflower oil demonstrated that those phenomena arose mainly as a result of the interaction between the surface of the spheres and the sunflower oil. It should be noted that the sunflower oil layer in the aforementioned two-layer system was relatively very thin compared to the dimensions of the spheres. Therefore, the experiments showed the substantial influence both the upper layer liquid and the surface conditions of the solid body could potentially have, on the phenomena and cavity dynamics that arise as a result of solid entries into stratified, two-layer systems of immiscible liquids.
Original languageEnglish
Article number064104
Pages (from-to)064104-1 - 064104-6
Number of pages6
JournalPhysics of Fluids
Volume30
Issue number6
DOIs
Publication statusPublished - 26 Jun 2018

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sunflowers
entry
oils
cavities
liquids
liquid surfaces
falling
steels
water
interactions

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Copyright © and Moral Rights are retained by the author(s) and/ or other copyright
owners. A copy can be downloaded for personal non-commercial research or study,
without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

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Influence of an upper layer liquid on the phenomena and cavity formation associated with the entry of solid spheres into a stratified, two-layer system of immiscible liquids. / Tan, Benedict; Thomas, Peter.

In: Physics of Fluids, Vol. 30, No. 6, 064104, 26.06.2018, p. 064104-1 - 064104-6.

Research output: Contribution to journalArticle

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AB - New phenomena not previously documented in the available literature have been experimentally observed subsequent to the entry of falling steel spheres into a stratified system of a shallow layer of sunflower oil above a deep pool of water. Further experiments on similar sphere entries into sunflower oil demonstrated that those phenomena arose mainly as a result of the interaction between the surface of the spheres and the sunflower oil. It should be noted that the sunflower oil layer in the aforementioned two-layer system was relatively very thin compared to the dimensions of the spheres. Therefore, the experiments showed the substantial influence both the upper layer liquid and the surface conditions of the solid body could potentially have, on the phenomena and cavity dynamics that arise as a result of solid entries into stratified, two-layer systems of immiscible liquids.

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