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Title: Analysis of Unsteady Incompressible Potential Flow Over a Swimming Slender Fish and a Swept Wing Tail
Authors: Nathan, Vinay
Advisors: Venkataraman, Kartik
Keywords: Swimming Slender Fish Flow Dynamics
Slender Body Flow Model
Swept Wing Model
Planar Wing Flow
Unsteady Flows
Vortex Dynamics
Swimming Propulsion
Unsteady Propulsion
Fishlike Swimmimg Hydrodynamics
Fish Near-Body Flow Dynamics
Marine Propulsion
Fluid Dynamics
Vortex Panel Method
Bernoulli Equation
Submitted Date: 2015
Series/Report no.: G27333
Abstract: This thesis deals with computing the pressure distribution around a swimming slender fish and the thrust generated by its flapping motion. The body of the fish is modeled as a missile like slender body to which a tail is attached that is modeled as a swept wing. The tail is attached to the tip of the slender body and maintains its slope with it. The motion for the swimming fish is prescribed. The fluid flow is modeled as an unsteady potential flow problem with the flow around the slender body modeled as flow over an array of cylinders of varying radii and the flow over the swept wing modeled using the vortex panel method. The pressure distribution is computed using the unsteady Bernoulli equation. The overall thrust & drag for different parameters are studied and compared
Abstract file URL: http://etd.iisc.ernet.in/abstracts/4419/G27333-Abs.pdf
URI: http://etd.iisc.ernet.in/2005/3551
Appears in Collections:Aerospace Engineering (aero)

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