Effects of Marine Biofouling on Wall-Bounded Turbulence

Busse, A. (2022) Effects of Marine Biofouling on Wall-Bounded Turbulence. Leeds Fluid Dynamics Symposium, Leeds, UK, 22 Jun 2022.

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Abstract

Marine biofouling is a problem that has impacted seafaring since ancient times. The accumulation of marine organisms on a ship leads to a significant increase of the hull’s skin-friction drag, and thus an increase in fuel consumption and greenhouse gas emissions. This presentation will focus on the impact of fouling by barnacles, a form of calcareous macrofouling which has strong impact on the shipping industry. Direct numerical simulations are used to investigate the fluid-dynamic properties of realistic barnacle surfaces which were created using an algorithm that emulates the settlement behaviour of barnacles. In addition to mean flow and turbulence statistics the blanketing-layer concept is applied to understand how the outer flow perceives barnacle roughness of increasing solidity.

Item Type:Conference or Workshop Item
Status:Published
Refereed:No
Glasgow Author(s) Enlighten ID:Busse, Professor Angela
Authors: Busse, A.
College/School:College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
Copyright Holders:Copyright © 2022 The Author
Publisher Policy:Reproduced with the permission of the Author
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
173614Surface-specific Moody diagram: A new paradigm to predict drag penalty of realistic rough surfaces with applications to maritime transportAngela BusseEngineering and Physical Sciences Research Council (EPSRC)EP/P009875/1ENG - Autonomous Systems & Connectivity
309538Rough-wall turbulence: the Lagrangian viewAngela BusseLeverhulme Trust (LEVERHUL)RF-2020-498\9ENG - Autonomous Systems & Connectivity