Nominal vs. effective wake fields and their influence on propeller cavitation performance

Pelle Bo Regener*, Yasaman Mirsadraee, Poul Andersen

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Propeller designers often need to base their design on the nominal model scale wake distribution because the effective full scale distribution is not available. The effects of such incomplete design data on cavitation performance are examined in this paper. The behind-ship cavitation performance of two propellers is evaluated, where the cases considered include propellers operating in the nominal model and full scale wake distributions and in the effective wake distribution, also in the model and full scale. The method for the analyses is a combination of RANS for the ship hull and a panel method for the propeller flow, with a coupling of the two for the interaction of ship and propeller flows. The effect on sheet cavitation due to the different wake distributions is examined for a typical full-form ship. Results show considerable differences in cavitation extent, volume, and hull pressure pulses.
Original languageEnglish
Article number34
JournalJournal of Marine Science and Engineering
Volume6
Issue number2
Number of pages14
ISSN2077-1312
DOIs
Publication statusPublished - 2018

Bibliographical note

Copyright: 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

Keywords

  • Civil and Structural Engineering
  • Ocean Engineering
  • Water Science and Technology
  • Effective wake
  • Propeller cavitation
  • RANS-BEM coupling
  • Wake scaling

Cite this

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title = "Nominal vs. effective wake fields and their influence on propeller cavitation performance",
abstract = "Propeller designers often need to base their design on the nominal model scale wake distribution because the effective full scale distribution is not available. The effects of such incomplete design data on cavitation performance are examined in this paper. The behind-ship cavitation performance of two propellers is evaluated, where the cases considered include propellers operating in the nominal model and full scale wake distributions and in the effective wake distribution, also in the model and full scale. The method for the analyses is a combination of RANS for the ship hull and a panel method for the propeller flow, with a coupling of the two for the interaction of ship and propeller flows. The effect on sheet cavitation due to the different wake distributions is examined for a typical full-form ship. Results show considerable differences in cavitation extent, volume, and hull pressure pulses.",
keywords = "Civil and Structural Engineering, Ocean Engineering, Water Science and Technology, Effective wake, Propeller cavitation, RANS-BEM coupling, Wake scaling",
author = "Regener, {Pelle Bo} and Yasaman Mirsadraee and Poul Andersen",
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year = "2018",
doi = "10.3390/jmse6020034",
language = "English",
volume = "6",
journal = "Journal of Marine Science and Engineering",
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}

Nominal vs. effective wake fields and their influence on propeller cavitation performance. / Regener, Pelle Bo; Mirsadraee, Yasaman; Andersen, Poul.

In: Journal of Marine Science and Engineering, Vol. 6, No. 2, 34, 2018.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Nominal vs. effective wake fields and their influence on propeller cavitation performance

AU - Regener, Pelle Bo

AU - Mirsadraee, Yasaman

AU - Andersen, Poul

N1 - Copyright: 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PY - 2018

Y1 - 2018

N2 - Propeller designers often need to base their design on the nominal model scale wake distribution because the effective full scale distribution is not available. The effects of such incomplete design data on cavitation performance are examined in this paper. The behind-ship cavitation performance of two propellers is evaluated, where the cases considered include propellers operating in the nominal model and full scale wake distributions and in the effective wake distribution, also in the model and full scale. The method for the analyses is a combination of RANS for the ship hull and a panel method for the propeller flow, with a coupling of the two for the interaction of ship and propeller flows. The effect on sheet cavitation due to the different wake distributions is examined for a typical full-form ship. Results show considerable differences in cavitation extent, volume, and hull pressure pulses.

AB - Propeller designers often need to base their design on the nominal model scale wake distribution because the effective full scale distribution is not available. The effects of such incomplete design data on cavitation performance are examined in this paper. The behind-ship cavitation performance of two propellers is evaluated, where the cases considered include propellers operating in the nominal model and full scale wake distributions and in the effective wake distribution, also in the model and full scale. The method for the analyses is a combination of RANS for the ship hull and a panel method for the propeller flow, with a coupling of the two for the interaction of ship and propeller flows. The effect on sheet cavitation due to the different wake distributions is examined for a typical full-form ship. Results show considerable differences in cavitation extent, volume, and hull pressure pulses.

KW - Civil and Structural Engineering

KW - Ocean Engineering

KW - Water Science and Technology

KW - Effective wake

KW - Propeller cavitation

KW - RANS-BEM coupling

KW - Wake scaling

U2 - 10.3390/jmse6020034

DO - 10.3390/jmse6020034

M3 - Journal article

VL - 6

JO - Journal of Marine Science and Engineering

JF - Journal of Marine Science and Engineering

SN - 2077-1312

IS - 2

M1 - 34

ER -