Determination of Boundary Layer Thickness Around Submarine Hull Using Computational Fluid Dynamics(CFD)

Authors

  • Ammar Shararh Tishreen University
  • Nisreen Mohammad Tishreen University

Keywords:

Submarine – Boundary Layer Thickness – y – CFD.

Abstract

The study of the boundary layer around the hull of submarines is regarded as one of the
complex studies, because of the difficulty in determining the thickness of this layer and
the lack of reference studies in this regard.
This study aims to determine the thickness of the maximum boundary layer around the
hull of a three-dimensional model of a submarine by designing the appropriate finite
element network, and determining the appropriate value of (
y

) for the model at each of
the specified velocity so that it covers the entire field of the boundary layer.
This study will be carried out using digital modeling and simulation programs in order to
solve the Navier-Stokes equations that describe the motion of fluids, in addition
determine the maximum boundary layer for each model and at each velocity that satisfies
the equation (
y 1


) in order to ensure that the first node in the finite element network
will be within the field of the boundary layer.
This study depends on the relationship between the thickness of the boundary layer and
the dimensions of the submarine and the flow velocity. Five different scales of three-
dimensional models of the same submarine will be designed
1 1 1 1 1
, , , ,
1 2 5 10 100
     
a variable
field of flow velocity will be set including 10 different values of velocity, and then the
thickness of the maximum boundary layer for each submarine will be determined to get
50 values of the thickness of the maximum boundary layer around the hull of the five
submarines models as a function of the geometric dimensions and flow velocity, using
ANSYS-FLUENT and depending on the principle of flow reflection.

Downloads

Published

2023-06-13

How to Cite

1.
شرارة ع, نسرين محمد. Determination of Boundary Layer Thickness Around Submarine Hull Using Computational Fluid Dynamics(CFD). Tuj-eng [Internet]. 2023Jun.13 [cited 2024Dec.23];45(2):239-54. Available from: https://journal.tishreen.edu.sy/index.php/engscnc/article/view/14430

Issue

Vol. 45 No. 2 (2023): Tishreen University Journal of Research and Scientific Studies - Engineering Sciences Series

Section

Master student researches

License

Copyright (c) 1970 Attps://creativecommons.org/licenses/by-nc-sa/4.0/

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

The authors retain the copyright and grant the right to publish in the magazine for the first time with the transfer of the commercial right to Tishreen University Journal for Research and Scientific Studies - Engineering Sciences Series

 Under a CC BY- NC-SA 04 license that allows others to share the work with of the work's authorship and initial publication in this journal. Authors can use a copy of their articles in their scientific activity, and on their scientific websites, provided that the place of publication is indicted in  Tishreen University Journal for Research and Scientific Studies - Engineering Sciences Series   .  The Readers have the right to send, print and subscribe to the initial version of the article, and the title of  Tishreen University Journal for Research and Scientific Studies - Engineering Sciences Series     Publisher

journal uses a CC BY-NC-SA license which mean

You are free to:

  • Adapt — remix, transform, and build upon the material
  •  
  • The licensor cannot revoke these freedoms as long as you follow the license terms.

 

  • Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • NonCommercial — You may not use the material for commercial purposes.
  • ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
  • No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.