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  1. Journal of the Brazilian Society of Mechanical Sciences and Engineering
  2. Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37
  3. Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 6, November 2015
  4. Numerical investigation of the tunnel aperture on drag reduction in a high-speed tunneled planing hull
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Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 40
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 39
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 38
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 6, November 2015
Numerical study of the effect of ethanol blending with gasoline surrogate on pollutant emission in well-stirred reactor
Dynamic response in non-perpendicular stiff main directional rotors using coordinate transformation
Effect of uniform suction on nanofluid flow and heat transfer over a cylinder
Toward numerical modeling of the stepped and non-stepped planing hull
ALE/finite element modeling of an unconfined bubble plume in periodic domain: bubble shape and oscillation analysis
Analysis of slug tracking model for gas–liquid flows in a pipe
Design and analysis of optimal die profile for the extrusion of round SiC DRMM Al 6061 composite billet into hexagonal section
Using metaheuristics for optimum design of 3R orthogonal manipulators considering their topology
Numerical investigation of the tunnel aperture on drag reduction in a high-speed tunneled planing hull
Knowledge-based system to support product development focusing on diagnosis of low performance in hermetic compressors
Analysis of the tribological behaviour of an automotive engine exhaust valve and a valve seat using a newly developed high temperature workbench
Modeling and optimizing of a combined CHP system, compression chiller and reverse osmosis plant (CHP + C + W) in two strategies of connections with grid
Numerical study of non-Newtonian Jeffreys fluid from a permeable horizontal isothermal cylinder in non-Darcy porous medium
Three-dimensional finite element analysis of a crack normal to and terminating at a bi-material interface
Computational modeling and simulation of rupture of membranes and thin films
Apparent strain of a pipe at plastic bending buckling state
Static analysis of variable thickness two-directional functionally graded annular sector plates fully or partially resting on elastic foundations by the GDQ method
Numerical simulations of the radiative transfer in a 2D axisymmetric turbulent non-premixed methane–air flame using up-to-date WSGG and gray-gas models
Surface crack analysis under cyclic loads using probabilistic S-version finite element model
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 5, September 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 4, July 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 3, May 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 2, March 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 1, January 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 35

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Numerical investigation of the tunnel aperture on drag reduction in a high-speed tunneled planing hull

Content Provider SpringerLink
Author Kazemi Moghadam, Hamid Shafaghat, Rouzbeh Yousefi, Reza
Copyright Year 2015
Abstract One of the methods for reducing drag is inducing a change in the shape of the body due to making longitudinal side tunnels on the hull body. In this method, the usual shape of a specific mono-hull is changed into tunneled one keeping the geometric parameters, including deadrise angle, keel line, beam width, and the hull length, constant. Various geometric parameters are effective on drag reduction of different sections of the tunnel while designing and manufacturing the hull. To obtain an optimum shape for the tunnel, this study has attempted the influence of the size of the tunnel aperture on hydrodynamic parameters of the hull. For this purpose and through considering the moving mesh, numerical simulation of the problem by means of finite volume method has been employed, using FLUENT commercial software. For turbulence modeling, k-ε model, and for simulating the free surface, the volume of fluid two phase model has been used. In addition, remeshing and smoothing methods were employed for moving mesh. The presented results show that, forming a tunnel in the base hull could cause a reduction in the total drag in high-speed planing hulls and in the vessel draft over the whole range. Furthermore, in high Froude number, a reduction in the size of the tunnel aperture (up to a specific amount) could lead to a decrease in the total drag.
Starting Page 1719
Ending Page 1730
Page Count 12
File Format PDF
ISSN 16785878
Journal Journal of the Brazilian Society of Mechanical Sciences and Engineering
Volume Number 37
Issue Number 6
e-ISSN 18063691
Language English
Publisher Springer Berlin Heidelberg
Publisher Date 2015-09-23
Publisher Place Berlin, Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Drag reduction Dynamic mesh Fluent High-speed planing hull Volume of fluid (VOF) Mechanical Engineering Tunnel aperture
Content Type Text
Resource Type Article
Subject Applied Mathematics Industrial and Manufacturing Engineering Automotive Engineering Mechanical Engineering Aerospace Engineering
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