Three-dimensional vortical structures in the wake of a flexible flapping foil

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Three-dimensional vortical structures in the wake of a flexible flapping foil

Alternative Title: 3D vortical structures in the wake of a flexible flapping foil

Author: Krueger, Matthew J

Citable URI: http://hdl.handle.net/1721.1/32950

Other Contributors: Massachusetts Institute of Technology. Dept. of Mechanical Engineering.

Advisor: Alexander H. Techet.

Department: Massachusetts Institute of Technology. Dept. of Mechanical Engineering.

Publisher: Massachusetts Institute of Technology

Date Issued: 2005

Abstract:

This project aims to gain a qualitative view of the three-dimensional vortical structures of a flexible flapping foil at Reynolds number 164. Flexible foils were fabricated, coated with fluorescent dye, and towed with heave and pitch in a large glass tank. The foil cross section is a NACA 0030 foil shape, and the foil has an aspect ratio of 3. Pictures where taken of the vortical structures from planform, wingtip, and isometric views over a range of Strouhal number and kinematic parameters. Results are compared to previous experimental and numerical studies.

Description:

Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2005.Includes bibliographical references (leaf 22).

URI: http://hdl.handle.net/1721.1/32950

Keywords: Mechanical Engineering.

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