Evaluation of End-Plate Impact on Tip Loaded Propeller Performance Using a RANSE Solver

Antonio Sanchez Caja (Corresponding Author), J González-Adalid, M Pérez-Sobrino, Ilkka Saisto

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Abstract

Systematic variations of the endplate geometry for two end-plate propellers are made in order to assess the impact of the blade tip shape on propeller performance. Several types of modifications are analyzed including variations in plate width, contraction angle, plate sweep, and flap angle. The effect of end-plate geometry modifications in the radial distribution of circulation is illustrated. The magnitude of the circulation is derived from the analysis of the tangential velocities behind the propeller. The contribution of pressure and friction components to the total endplate forces is also shown. Comparisons are made at full scale. A special procedure for the generation of the computational grids is implemented in order to minimize computational errors in the comparison of the alternative geometries. RANS code FINFLO is used in the evaluation
Original languageEnglish
Pages (from-to)103 - 128
JournalInternational Shipbuilding Progress
Volume61
Issue number1-2
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

Keywords

  • Tip loaded propeller
  • CLT
  • endplate
  • RANS
  • circulation
  • FINFLO
  • efficiency

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