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IJME 600

Paper Title: Determination of Drag and Lift Related Coefficients of an AUV Using Computational and Experimental Fluid Dynamics Methods



E Javanmard, Sh Mansoorzadeh , A Pishevarand, Isfahan University of Technology , Iran,

J A Mehr, University of Tasmania, Australia



Determination of hydrodynamic coefficients is a vital part of predicting the dynamic behavior of an Autonomous Underwater Vehicle (AUV). The aim of the present study was to determine the drag and lift related hydrodynamic coefficients of a research AUV, using Computational and Experimental Fluid Dynamics methods. Experimental tests were carried out at AUV speed of 1.5 m s-1 for two general cases: I. AUV without control surfaces (Hull) at various angles of attack in order to calculate Hull related hydrodynamic coefficients and II. AUV with control surfaces at zero angle of attack but in different stern angles to calculate hydrodynamic coefficients related to control surfaces. All the experiments carried out in a towing tank were also simulated by a commercial computational fluid dynamics (CFD) code. The hydrodynamic coefficients obtained from the numerical simulations were in close agreement with those obtained from the experiments.



Transactions RINA, Vol 162, Part A2, International Journal Maritime Engineering, June 2020 

DOI Number

DOI No: 10.3940/rina.ijme.2020.a2.600

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