The effect of bubbles on developed turbulence

Th.H. van den Berg

Research output: Thesis › PhD Thesis - Research UT, graduation UT

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Abstract

The aim of this work was to investigate the effect of bubbles on turbulent flow. We investigated in turbulent Taylor-Couette flow the effect of turbulent boundary layers on the drag. We showed that this drag can be 30 times higher as compared to the smooth wall case, leading to the conclusion that it is energetically efficient to keep the wall roughness for ships to an absolute minimum. When either one of the two walls is smooth, we observed that the overall behavior of the drag was surprisingly governed by this smooth wall.
Original languageEnglish
Awarding Institution
  • University of Twente
Supervisors/Advisors
  • Lohse, Detlef, Supervisor
Award date21 Dec 2006
Place of PublicationEnschede
Publisher
Print ISBNs9789036524216
Publication statusPublished - 21 Dec 2006

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