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Experiments in Fluids

, 60:184 | Cite as

Towed underwater PIV measurement of propeller wake in self-propelled condition

  • Seok Cheon Go
  • Jeonghwa SeoEmail author
  • Jongyeol Park
  • Shin Hyung Rhee
Research Article

Abstract

A series of particle image velocimetry measurements was conducted in a towing tank to analyze the propeller wake dynamics of a fully appended very large crude oil carrier model. The Froude number and the Reynolds number of the test condition based on the model length and towing speed were 0.142 and 2.32 × 106, respectively. The propeller wake dynamics was investigated in terms of vortical structure and wake acceleration. It was found that the propeller loading on the starboard side was larger than that on the port side, as upward component of the propeller inflow resulted in a higher inflow speed on that side. The different propeller loading deformed the wake structure and bent it towards the port side. Between neighboring tip vortices, the local maxima of the turbulence kinetic energy and corresponding local turbulence structure were found. The rudder effects on the propeller wake were also investigated, proving that the rudder blocked the progress of the hub vortex and straightened the propeller wake.

Graphic abstract

Notes

Acknowledgements

Support for this research was provided by the National Research Foundation (2016R1D1A1A09917670 and NRF-2018R1A6A3A11049664), Grant by Korean Government.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Hyundai Maritime Research InstituteHyundai Heavy Industries Co. LtdUlsanSouth Korea
  2. 2.Department of Naval Architecture and Ocean EngineeringSeoul National UniversitySeoulSouth Korea
  3. 3.Department of Naval Architecture and Ocean EngineeringChungnam National UniversityDaejeonSouth Korea
  4. 4.Research Institute of Marine Systems EngineeringSeoul National UniversitySeoulSouth Korea

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