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http://dx.doi.org/10.3744/SNAK.2013.50.4.248

Algorithm for Performance Analysis of Vane-Wheel using Panel Method  

Seok, Woo-Chan (Department of Naval Architecture & Ocean Engineering, Seoul National University)
Suh, Jung-Chun (Department of Naval Architecture & Ocean Engineering/Research Institute of Marine System Engineering, Seoul National University)
Publication Information
Journal of the Society of Naval Architects of Korea / v.50, no.4, 2013 , pp. 248-254 More about this Journal
Abstract
In this paper, we establish an analysis algorithm and a design procedure for a Vane-Wheel which is a freely rotating device behind a propeller, by using a panel method. Vane-Wheel's function is to extract energy from the propeller slipstream in turbine part which is inner part of the Vane-Wheel, and convert this energy into an additional propulsive thrust in propeller part which is outer part of the Vane-Wheel. Two parts must satisfy torque balance and thrust has to act to the ship's forward direction. A Vane-Wheel has large interaction effect with propeller since it is placed behind of the propeller. Therefore, in order to consider interaction effect correctly, incoming velocity to the Vane-Wheel in a circumferential mean wake was calculated considering induced velocity from propeller to the Vane-Wheel. Likewise, incoming velocity to the propeller was calculated considering induced velocity from the Vane-Wheel to the propeller. This process is repeated until a converged result is obtained.
Keywords
Vane-Wheel; Panel method; Interactive induced velocity; Design algorithm;
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