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Computational investigation of cavitation on a semi-spade rudder

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Abstract

This article examines noncavitating and cavitating flow fields around a semi-spade rudder in the ship wake and propeller slipstream based on a computational method. The article seeks to explain the erosion that can occur around the gap due to cavitation; such erosion has been reported to occur while a ship is at sea. Another area of research is the effect of the gap size and shape. The effects of erosion-evading devices such as elongated gap edges, an increased edge radius, flow control projections, and vertical and horizontal guide plates were also studied.

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Authors and Affiliations

  1. Maritime Research Institute, Hyundai Heavy Industries, 1, Jeonha-dong, Dong-gu, Ulsan, 682-792, Korea

    Jung-Eun Choi, Jung-Hun Kim & Hong-Gi Lee

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  1. Jung-Eun Choi
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  2. Jung-Hun Kim
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  3. Hong-Gi Lee
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Correspondence to Jung-Eun Choi.

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Choi, JE., Kim, JH. & Lee, HG. Computational investigation of cavitation on a semi-spade rudder. J Mar Sci Technol 15, 64–77 (2010). https://doi.org/10.1007/s00773-009-0074-1

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  • DOI: https://doi.org/10.1007/s00773-009-0074-1

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