2.23 Hydrofoils and Propellers

Spring 2007

Top photo of a propeller operating in a tank, with a long vortex streaming off the hub; bottom photo shows the absence of vortex.
Top: A propeller operating alone produces a substantial cavitating hub vortex. Bottom: The addition of a pre-swirl stator cancels out the propeller vortex. (Photos courtesy of Justin E. Kerwin. Used with permission.)

Course Highlights

This course includes a set of popular propeller design notes by MIT Professor Justin E. Kerwin in the readings section.

Course Description

This course develops the theory and design of hydrofoil sections, including lifting and thickness problems for sub-cavitating sections, unsteady flow problems, and computer-aided design of low drag cavitation-free sections. It also covers lifting line and lifting surface theory with applications to hydrofoil craft, rudder, control surface, propeller and wind turbine rotor design. Other topics include computer-aided design of wake adapted propellers; steady and unsteady propeller thrust and torque; performance analysis and design of wind turbine rotors in steady and stochastic wind; and numerical principles of vortex lattice and lifting surface panel methods. Projects illustrate the development of computational methods for lifting, propeller and wind turbine flows, and use of state-of-the-art simulation methods for lifting, propulsion and wind turbine applications.

Technical Requirements

Special software is required to use some of the files in this course: .m, .zip, and .dat.

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Dr. Richard Kimball

Course Meeting Times

Two sessions / week
2 hours / session

One session / week
1 hour / session



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