This paper introduces the approach to develop a trawl boat with skeg. RANS solution was adopted to predict the powering performance of the trawl boat numerically, also self-propulsion tests of the hull with skeg were performed in towing tank to verify the numerical results and evaluate the approach in skeg-type hull development and improvement, which shows feasibility of those numerical approach during ship hull development, and some conclusions are acquired during design a hull form with skeg.

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