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. 2017 Nov;33(10):819-834.
doi: 10.1080/08927014.2017.1373279. Epub 2017 Oct 5.

Effect of barnacle fouling on ship resistance and powering

Yigit Kemal Demirel  1 , Dogancan Uzun  1 , Yansheng Zhang  1 , Ho-Chun Fang  2 , Alexander H Day  1 , Osman Turan  1
Affiliations
Free article

Effect of barnacle fouling on ship resistance and powering

Yigit Kemal Demirel et al. Biofouling. 2017 Nov.
Free article

Erratum in

  • Corrigendum.
    [No authors listed] [No authors listed] Biofouling. 2017 Nov;33(10):x. doi: 10.1080/08927014.2017.1415284. Biofouling. 2017. PMID: 29235379 No abstract available.

Abstract

Predictions of added resistance and the effective power of ships were made for varying barnacle fouling conditions. A series of towing tests was carried out using flat plates covered with artificial barnacles. The tests were designed to allow the examination of the effects of barnacle height and percentage coverage on the resistance and effective power of ships. The drag coefficients and roughness function values were evaluated for the flat plates. The roughness effects of the fouling conditions on the ships' frictional resistances were predicted. Added resistance diagrams were then plotted using these predictions, and powering penalties for these ships were calculated using the diagrams generated. The results indicate that the effect of barnacle size is significant, since a 10% coverage of barnacles each 5 mm in height caused a similar level of added power requirements to a 50% coverage of barnacles each 1.25 mm in height.

Keywords: Artificial barnacles; added resistance; biofouling; experiment; powering.

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