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Bow shape

A bow and ship technology, applied in the field of bow shape, can solve problems that do not consider incident waves, resistance, etc.

Active Publication Date: 2019-08-09
JAPAN MARINE UNITED CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, on a ship, not only the above-mentioned reflected waves are generated, but also resistance is generated by the incident waves
However, the bow shape of Patent Document 1 is a shape in which waves advancing in a direction opposite to the direction of travel of the ship (direction waves) reduce reflected waves reflected by the hull, and is not a shape that takes incident waves into account.

Method used

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Embodiment Construction

[0024] Hereinafter, one embodiment of the hull shape of the present invention will be described with reference to the drawings. In the following description, the full length direction of a ship body is made into X direction, the width direction of a ship body is made into a Y direction, and the height direction of a ship body is made into a Z direction. In the following drawings, the scale of each member is appropriately changed so that each member has a recognizable size. figure 1 It is a YZ sectional view of the bow shape 1 of this embodiment. figure 2 It is an XY sectional view of the bow shape 1 of this embodiment.

[0025] The ship S applying the bow shape 1 of this embodiment is composed of a total length L≥180m, a square coefficient (hull fatness) C B Vessels sailing at low speed with wider width defined by ≥0.75. Such as figure 1 and figure 2 As shown by the middle dotted line, the conventional bow shape O conventionally applied to the ship S has a uniform and g...

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Abstract

Provided is a bow shape 1 for a vessel, the bow shape 1 having a protrusion 1a which protrudes in a bulge shape on both left and right sides aside from the bow end, at least beneath the load waterline.

Description

technical field [0001] The present invention relates to bow shapes. Background technique [0002] Patent Document 1 below discloses a bow shape in which the hull shape of the original shape is shaved off, and the rod shape is inclined with respect to the incident wave of the wave. The bow shape of Patent Document 1 adopts a shape in which the hull shape is inclined with respect to the incident wave of the wave, that is, the shape is sharper in the traveling direction of the ship, and the amount of resistance increase in the wave can be reduced by reducing the reflected wave. This bow shape design idea is adopted in the so-called "fat ship" with relatively large square coefficient. [0003] Patent Document 1: Japanese Patent Laid-Open No. 2006-224811 [0004] However, in ships, not only the above-mentioned reflected waves are generated, but also resistance is generated by incident waves. However, the bow shape of Patent Document 1 is a shape in which waves advancing in a d...

Claims

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Application Information

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IPC IPC(8): B63B1/06
CPCB63B1/06B63B1/063Y02T70/10
Inventor 折原秀夫冈本直也斋藤裕树增田圣始高岸宪玺
Owner JAPAN MARINE UNITED CORP
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