A Study on the Resistance Characteristics for Planing Craft with Air Injection at the Bottom

Park, Chung-Hwan,

Journal of Navigation and Port Research 2012;36(3):157-162.
Published online April 30, 2012.

선저 공기공급에 따른 활주형선의 저항특성 연구

박충환

A Study on the Resistance Characteristics for Planing Craft with Air Injection at the Bottom

Chung-Hwan, Park

Abstract

A planing craft is designed specifically to achieve comparatively high speed on the surface of the water. The frictional resistance of planing craft can be reduced further by injecting air to the craft's bottom. In this paper, the resistance characteristics of high speed planing crafts with & without air injection at the bottom were compared by sea model-test method. As a result, we conformed that planing craft with air injection has much greater the effect of resistance reduction.

Key Words: Planing craft;Hull-form design;Air injection;At-sea model test;Resistance characteristics

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