Deformable planing boat with both rapidity and seakeeping ability

Abstract

The invention belongs to the field of high-performance ship design and ship moving posture control and particularly relates to a deformable planing boat with both rapidity and the seakeeping ability.The problem that the high speed and the high seakeeping ability cannot be both taken into account in the prior art is solved. The deformable planing boat comprises a main boat body, a first appendage,a second appendage, inverted-U-shaped sliding rails, a bulbous bow and fixed hydrofoils. Each inverted-U-shaped sliding rail comprises vertical guide rails and transverse guide rails. The tail ends of the transverse guide rails are connected with the vertical guide rails, and the vertical guide rails and the transverse guide rails are mutually perpendicular. The first appendage and the second appendage are connected with the ends, close to the water surface, of the vertical guide rails and located on the two sides of the main boat body correspondingly. The bulbous bow is mounted at the bottomof a boat bow of the main boat body, and the fixed hydrofoils are symmetrically mounted on the two sides of the bulbous bow. By changing the boat body shape, the planing boat adapts to the sea conditions of different grades, under the condition that rapidity is not greatly reduced, the good seakeeping ability is obtained, the application range of the planing boat is greatly enlarged, and the taskcarrying-out ability of the planing boat under the severe sea conditions is greatly improved.

Description

technical field [0001] The invention belongs to the fields of high-performance ship design and ship motion attitude control, and in particular relates to a deformable planing boat that takes both rapidity and seakeeping into account. Background technique [0002] As the earliest developed ship that relies on hydrodynamic lift to navigate, the planing boat has been widely used in military and civilian fields. However, the conventional single-hull planing boat relies on the dynamic lift of the water to lift most of the hull out of the water, and only a part of the hull is in contact with the water. Although this reduces the resistance to a large extent and improves the sailing speed, it also leads to The stability of navigation in waves deteriorates, resulting in poor seakeeping, and it is difficult to navigate safely in high sea conditions, making its navigation greatly affected by sea conditions, which limits the operating range of planing boats. High speed and low resistan...

AI Technical Summary

Problems solved by technology

But the deformed pontoon of this invention will affect the speed of the entire hull when navigating under low sea conditions, and the stability is not high when navigating in deep water

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