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Numerical Study of Surface Tension Effect on the Hydrodynamic Modeling of the Partially Submerged Propeller's Blade Section

Published online by Cambridge University Press:  23 June 2016

E. Yari  and
H. Ghassemi
E. Yari
Affiliation:
Department of Maritime Engineering AmirKabir University of Technology Tehran, Iran
H. Ghassemi*
Affiliation:
Department of Maritime Engineering AmirKabir University of Technology Tehran, Iran
*
*Corresponding author (gasemi@aut.ac.ir)
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Abstract

This article is presented the surface tension effect on the two-dimensional blade section of the partially submerged propeller (PSP). In this regard, blade is entered to the water that causes to splash the water due to the impact and free surface. Also, because of the blade's angle of attack suction side is vented by air and pressure side is wetted and gripped the water to generate thrust. The Reynolds-Averaged Navier-Stokes (RANS) method is used in order to predict the hydrodynamic flow from entering to the exit. Present paper is numerically investigated the effect of free surface and surface tension i.e. related to the Weber number. So, many numerical results are presented and discussed that are included volume fraction, ventilation zones, pressure distributions, vertical and horizontal forces at various Weber numbers.

Keywords

Partially submerged propellerSurface tensionVolume fractionPressure and blade forces
Type
Research Article
Information
Journal of Mechanics , Volume 32 , Issue 5 , October 2016 , pp. 653 - 664
Copyright
Copyright © The Society of Theoretical and Applied Mechanics 2016 

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