Publication:
NUMERICAL SIMULATIONS OF FLOW PAST AN AUTONOMOUS UNDERWATER VEHICLE AT VARIOUS DRIFT ANGLES

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2012
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Abstract
Three dimensional (3D) flow past an Autonomous Underwater Vehicle (AUV) is simulated using a Computational Fluid Dynamics (CFD) approach at a Reynolds (Re) number of 2.09*10(6). A non-linear k-epsilon (NLKE) turbulence model is used for solving the Reynolds Averaged Navier-Stokes equations (RANSE). The effect of control surfaces over the flow, the flow interaction between hull and appendages at various Angles of Attack (AoA) and the effect of the symmetry plane is studied. Flow structure, variation of flow variables and force distribution for various AoA are presented and discussed in detail.
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