Experimental determination of added hydrodynamic resistance caused by marine biofouling on ships

Research output: Contribution to conferencePaper

7 Citations (Scopus)

Abstract

An extensive series of towing tests using flat plates covered with artificial barnacles were carried out at the Kelvin Hydrodynamics Laboratory (KHL) at the University of Strathclyde. The tests were designed to examine the effect of the coverage percentage of barnacles on the resistance and effective power of ships, over a range of Reynolds numbers. This paper presents the added resistances due to calcareous fouling in terms of the added frictional resistance coefficient for a surface coverage of fouling of up to 20%, over different speeds (Reynolds numbers). The drag coefficients and roughness function values of each surface were evaluated. Roughness effects of the given fouling conditions on the frictional resistances of an LNG tanker were then predicted for different ship speeds using an in-house code which was developed based on the similarity law analysis of Granville (1958). Added resistance diagrams were then plotted using these predictions. Finally, powering penalties of the LNG tanker were predicted using the generated diagrams.

Conference

Conference6th European Transport Research Conference
Abbreviated titleTRA 2016 Conference
CountryPoland
CityWarsaw
Period18/04/1621/04/16

Fingerprint

Biofouling
Fouling
Ships
Hydrodynamics
Liquefied natural gas
Reynolds number
Surface roughness
Drag coefficient

Keywords

  • artificial barnacles
  • biofouling
  • added resistance
  • experiment

Cite this

@conference{f20051a3b1f14fab83b23f4dfb9e13c5,
title = "Experimental determination of added hydrodynamic resistance caused by marine biofouling on ships",
abstract = "An extensive series of towing tests using flat plates covered with artificial barnacles were carried out at the Kelvin Hydrodynamics Laboratory (KHL) at the University of Strathclyde. The tests were designed to examine the effect of the coverage percentage of barnacles on the resistance and effective power of ships, over a range of Reynolds numbers. This paper presents the added resistances due to calcareous fouling in terms of the added frictional resistance coefficient for a surface coverage of fouling of up to 20{\%}, over different speeds (Reynolds numbers). The drag coefficients and roughness function values of each surface were evaluated. Roughness effects of the given fouling conditions on the frictional resistances of an LNG tanker were then predicted for different ship speeds using an in-house code which was developed based on the similarity law analysis of Granville (1958). Added resistance diagrams were then plotted using these predictions. Finally, powering penalties of the LNG tanker were predicted using the generated diagrams.",
keywords = "artificial barnacles, biofouling, added resistance, experiment",
author = "Osman Turan and Demirel, {Yigit Kemal} and Sandy Day and Tahsin Tezdogan",
year = "2016",
month = "4",
day = "18",
language = "English",
pages = "1--10",
note = "6th European Transport Research Conference : Moving Forward : Innovative Solutions for Tomorrow's Mobility, TRA 2016 Conference ; Conference date: 18-04-2016 Through 21-04-2016",

}

Turan, O, Demirel, YK, Day, S & Tezdogan, T 2016, 'Experimental determination of added hydrodynamic resistance caused by marine biofouling on ships' Paper presented at 6th European Transport Research Conference , Warsaw, Poland, 18/04/16 - 21/04/16, pp. 1-10.

Experimental determination of added hydrodynamic resistance caused by marine biofouling on ships. / Turan, Osman; Demirel, Yigit Kemal; Day, Sandy; Tezdogan, Tahsin.

2016. 1-10 Paper presented at 6th European Transport Research Conference , Warsaw, Poland.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Experimental determination of added hydrodynamic resistance caused by marine biofouling on ships

AU - Turan, Osman

AU - Demirel, Yigit Kemal

AU - Day, Sandy

AU - Tezdogan, Tahsin

PY - 2016/4/18

Y1 - 2016/4/18

N2 - An extensive series of towing tests using flat plates covered with artificial barnacles were carried out at the Kelvin Hydrodynamics Laboratory (KHL) at the University of Strathclyde. The tests were designed to examine the effect of the coverage percentage of barnacles on the resistance and effective power of ships, over a range of Reynolds numbers. This paper presents the added resistances due to calcareous fouling in terms of the added frictional resistance coefficient for a surface coverage of fouling of up to 20%, over different speeds (Reynolds numbers). The drag coefficients and roughness function values of each surface were evaluated. Roughness effects of the given fouling conditions on the frictional resistances of an LNG tanker were then predicted for different ship speeds using an in-house code which was developed based on the similarity law analysis of Granville (1958). Added resistance diagrams were then plotted using these predictions. Finally, powering penalties of the LNG tanker were predicted using the generated diagrams.

AB - An extensive series of towing tests using flat plates covered with artificial barnacles were carried out at the Kelvin Hydrodynamics Laboratory (KHL) at the University of Strathclyde. The tests were designed to examine the effect of the coverage percentage of barnacles on the resistance and effective power of ships, over a range of Reynolds numbers. This paper presents the added resistances due to calcareous fouling in terms of the added frictional resistance coefficient for a surface coverage of fouling of up to 20%, over different speeds (Reynolds numbers). The drag coefficients and roughness function values of each surface were evaluated. Roughness effects of the given fouling conditions on the frictional resistances of an LNG tanker were then predicted for different ship speeds using an in-house code which was developed based on the similarity law analysis of Granville (1958). Added resistance diagrams were then plotted using these predictions. Finally, powering penalties of the LNG tanker were predicted using the generated diagrams.

KW - artificial barnacles

KW - biofouling

KW - added resistance

KW - experiment

UR - http://www.traconference.eu/

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