The effect of bubbles on developed turbulence

Th.H. van den Berg

The effect of bubbles on developed turbulence

Th.H. van den Berg

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

85 Downloads (Pure)

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 language	English
Awarding Institution	University of Twente
Supervisors/Advisors	Lohse, Detlef, Supervisor
Award date	21 Dec 2006
Place of Publication	Enschede
Publisher	University of Twente
Print ISBNs	9789036524216
Publication status	Published - 21 Dec 2006

Access to Document

Thesis Th.H. van den BergFinal published version, 7.78 MB

http://purl.utwente.nl/publications/57626

Cite this

@phdthesis{0e2f3ba6a02c477ca2471ad933e6f4a1,

title = "The effect of bubbles on developed turbulence",

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.",

author = "{van den Berg}, Th.H.",

year = "2006",

month = dec,

day = "21",

language = "English",

isbn = "9789036524216",

publisher = "University of Twente",

address = "Netherlands",

school = "University of Twente",

}

TY - THES

T1 - The effect of bubbles on developed turbulence

AU - van den Berg, Th.H.

PY - 2006/12/21

Y1 - 2006/12/21

N2 - 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.

AB - 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.

M3 - PhD Thesis - Research UT, graduation UT

SN - 9789036524216

PB - University of Twente

CY - Enschede

ER -

The effect of bubbles on developed turbulence

Abstract

Access to Document

Fingerprint

Cite this