The influence of leading-edge tubercles on the hydrodynamic performance and propeller wake flow development of a ducted propeller

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

2 Citations (Scopus)
1 Downloads (Pure)

Abstract

This study implements leading-edge (LE) tubercles on a benchmark 19A accelerating duct to investigate the impact on the hydrodynamic performance and propeller wake flow development at multiple operating conditions. The study was conducted using Computational Fluid Dynamics (CFD) where the sliding mesh technique was used to describe the propeller rotation and the hydrodynamic flow-field was solved using Improved Delayed Detached Eddy Simulations (IDDES). In summary, it was found that LE tubercles can enhance the thrust of the duct by a maximum of 7.15% and disrupt the coherent vortex structure of the benchmark ducted propeller which will likely influence the noise signature of the propulsor.

Original languageEnglish
Title of host publicationProceedings of the 31st International Ocean and Polar Engineering Conference, ISOPE 2021
Place of PublicationMountain View, CA
PublisherInternational Society of Offshore and Polar Engineers
Pages2837-2844
Number of pages8
ISBN (Print)9781880653821
Publication statusPublished - 25 Jun 2021
Event31st International Ocean and Polar Engineering Conference, ISOPE 2021 - Virtual, Online
Duration: 20 Jun 202125 Jun 2021

Publication series

NameProceedings of the International Offshore and Polar Engineering Conference
ISSN (Print)1098-6189
ISSN (Electronic)1555-1792

Conference

Conference31st International Ocean and Polar Engineering Conference, ISOPE 2021
CityVirtual, Online
Period20/06/2125/06/21

Keywords

  • leading-edge tubercles
  • biomimetics
  • ducted propeller
  • CFD
  • wake dynamics

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