Self-determined shapes and velocities of giant near-zero drag gas cavities

Author:

Vakarelski Ivan U.1ORCID,Klaseboer Evert2ORCID,Jetly Aditya1ORCID,Mansoor Mohammad M.1,Aguirre-Pablo Andres A.1ORCID,Chan Derek Y. C.34ORCID,Thoroddsen Sigurdur T.1ORCID

Affiliation:

1. Division of Physical Science and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.

2. Institute of High Performance Computing, 1 Fusionopolis Way, Singapore 138632, Singapore.

3. School of Mathematics and Statistics, University of Melbourne, Parkville, Victoria 3010, Australia.

4. Department of Mathematics, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia.

Abstract

A gas cavity can reduce the hydrodynamic drag on a falling sphere in liquid to near zero by providing perfect slip conditions.

Funder

Australian Research Council

the King Abdullah University of Science and Technology

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference29 articles.

1. H. Lamb Hydrodynamics (Dover Publications 1932).

2. Bubble motion at high Reynolds numbers;Levich V. G.;Zh. Eksp. Teoret. Fiz.,1949

3. The boundary layer on a spherical gas bubble;Moore D. W.;J. Fluid Mech.,1963

4. Distillation studies—Viscous drag on a gas bubble rising in a liquid;Chan B. K. C.;AIChE J.,1965

5. G. K. Batchelor An Introduction to Fluid Dynamics (Cambridge Univ. Press 1967).

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