Entrainment ○｜Definition｜1st｜20260912121615-00-⌔

Entrainment (hydrodynamics) - Wikipedia

Entrainment (hydrodynamics)

In hydrodynamics, entrainment is the transport of fluid across an interface between two bodies by a shear -induced turbulent flow.¹ Entrainment is important in turbulent jets, plumes, and gravity currents, and is an ongoing topic of research.²

Printed 2026-09-12.

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Footnotes

1. Turner, J. S. (1979-12-20). Buoyancy Effects in Fluids. Cambridge University Press. p. 167. ISBN 978-0-521-29726-4. ↩

2. Scase, M. J.; Caulfield, C. P.; Dalziel, S. B.; Hunt, J. C. R. (2006). “Time-dependent plumes and jets with decreasing source strengths”. J. Fluid Mech. 563: 443–461. Bibcode:2006JFM…563..443S. doi:10.1017/S0022112006001212. S2CID 54603125. ↩