JP2005059715A - Resistance reduction device for vessel - Google Patents

Resistance reduction device for vessel Download PDF

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Publication number
JP2005059715A
JP2005059715A JP2003291295A JP2003291295A JP2005059715A JP 2005059715 A JP2005059715 A JP 2005059715A JP 2003291295 A JP2003291295 A JP 2003291295A JP 2003291295 A JP2003291295 A JP 2003291295A JP 2005059715 A JP2005059715 A JP 2005059715A
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Japan
Prior art keywords
ship
fin
ship bottom
water flow
stern
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JP2003291295A
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Japanese (ja)
Inventor
Takuya Omori
拓也 大森
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IHI Corp
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IHI Corp
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00Maritime or waterways transport
    • Y02T70/10Measures concerning design or construction of watercraft hulls

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  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To enable resistance in a low-speed range to be reduced. <P>SOLUTION: A flat plate-like fin 6, extending substantially in parallel with a ship bottom surface 5 in a ship width direction over a predetermined distance against the ship bottom surface 5, is arranged below a rear end of the ship bottom surface 5 and then fixed to the ship bottom surface 5 via a support stay 8. The fin 6 is fixed at a predetermined pitching angle θ with respect to a water flow along the ship bottom surface 5, in such a way that a clearance 7 formed between the fin 6 and the ship bottom surface 5 expands wide from the head to the stem. The water flow, generated relatively along the ship bottom surface 5 by forwarding the hull 1, is accelerated by the principle of wing at the upper surface of the fin 6 having the pitching angle θ with respect to the water flow along the ship bottom surface 5, when the water flow is flowed at the clearance 7 between the fin 6 and the ship bottom surface 5 and then water-creasing performance at the lower end of the transom-type stem 3 is improved by this accelerated water flow 9. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は船舶、特に、トランサム型船尾を有する船舶の低速航行時における造波抵抗等
の抵抗を低減させるようにする船舶の抵抗低減装置に関するものである。
The present invention relates to a ship resistance reducing device for reducing resistance such as wave resistance during low speed navigation of a ship, particularly a ship having a transom type stern.

船体後端をほぼ垂直方向に平面的に切断して角部を持った形状としてなるトランサム型
船尾が、カーフェリーやその他の船舶の船尾形状として多く採用されている。かかるトラ
ンサム型船尾を採用した船舶は、通常、トランサム型船尾の船底面の後端部に角部が形成
されており、このトランサム型船尾後端下部の角部は、船舶が停船しているときには没水
している。
A transom type stern, which has a shape with a corner by cutting the rear end of the hull in a substantially vertical direction, is often used as a stern shape for car ferries and other ships. A ship using such a transom stern usually has a corner formed at the rear end of the bottom of the transom stern, and the corner at the lower rear end of the transom stern is when the ship is stopped. Submerged.

このために、上記トランサム型船尾を有する船舶が航行する際、速度が速い場合には、
図4(イ)に示す如く、船体1が水を切るようになり、これにより水面2はトランサム型
船尾3の後端下部と同じ高さになるため、該船尾3における抵抗は少なくなるが、航行速
度が低速の場合等、船体1により水が切れない状態の場合は、図4(ロ)に示す如く、水
面2がトランサム型船尾3の後端下部よりも上方に来るため、該船尾3の後方に死水域4
が発生して抵抗となるという問題が生じる。なお、5は船底面を示す。
For this reason, when the ship with the transom stern navigates at a high speed,
As shown in FIG. 4 (a), the hull 1 drains water, so that the water surface 2 has the same height as the lower rear end of the transom type stern 3, so that the resistance at the stern 3 is reduced. In the case where the hull 1 does not drain water, such as when the navigation speed is low, the water surface 2 comes above the lower rear end of the transom type stern 3 as shown in FIG. Dead water area 4 behind
This causes a problem of generating resistance. In addition, 5 shows a ship bottom.

ところで、船舶の船体抵抗を軽減させる装置としては、船尾部分の船体の表面に沿った
翼状の整流フィンを、上記船尾部分に支持枠により取り付け、船体の前進に伴い船体の船
尾部分を通過する水流を整流して、船体の表面からの水流の剥離を抑制することにより、
渦の発生を抑制して船体抵抗の軽減化を図るようにするものが従来提案されている(たと
えば、特許文献1参照)。
By the way, as a device for reducing the hull resistance of a ship, a water flow passing through the stern part of the hull as the hull advances is attached by attaching a wing-shaped rectifying fin along the surface of the hull of the stern part to the stern part with a support frame. By suppressing the separation of water flow from the surface of the hull,
Conventionally proposed is one that suppresses the generation of vortices to reduce the hull resistance (see, for example, Patent Document 1).

実開平5−3092号公報Japanese Utility Model Publication No. 5-3092

ところが、上記特許文献1に記載されたものは、船体前進時における船体の表面を通過
する水流が船体の表面から剥離することを防止させるためのものであって、上記トランサ
ム型船尾を有する船舶を低速航行させる場合に、トランサム型船尾の後方に死水域が形成
されることについて何ら考慮されたものではない。したがって、上記特許文献1に記載さ
れたものは、トランサム型船尾を有する船舶の低速航行時に船尾の後方に死水域が発生す
ることに伴い抵抗が発生するという問題を解決できるものではない。
However, the one described in Patent Document 1 is for preventing the water flow passing through the surface of the hull when the hull moves forward from being separated from the surface of the hull. In the case of low speed navigation, no consideration is given to the formation of a dead water area behind the transom type stern. Therefore, what was described in the said patent document 1 cannot solve the problem that resistance generate | occur | produces in connection with the dead water area behind the stern at the time of low speed navigation of the ship which has a transom type stern.

そこで、本発明は、トランサム型船尾を有する船舶の低速航行時における抵抗を低減で
きるようにする船舶の抵抗低減装置を提供しようとするものである。
Therefore, the present invention is intended to provide a resistance reduction device for a ship that can reduce the resistance of a ship having a transom type stern during low-speed navigation.

本発明は、上記課題を解決するために、船舶の船尾後端部の下側に、船底面と所要の距
離を隔てて船幅方向に船底面とほぼ平行に延びるように形成した平板状のフィンを配置し
、且つ該フィンを、船底面との間に形成される隙間が船首側から船尾側に向けて広くなる
よう船底面のプロファイル線に対し所要の迎角で取り付けた構成とする。
In order to solve the above-mentioned problems, the present invention is a flat plate-like shape formed on the lower side of the stern rear end of the ship so as to extend substantially parallel to the ship bottom surface in the ship width direction with a required distance from the ship bottom surface. The fins are arranged, and the fins are attached at a required angle of attack with respect to the profile line on the bottom of the ship so that a gap formed between the fin and the bottom of the ship is widened from the bow side toward the stern side.

又、フィンを、前端縁部を滑らかな円弧状とすると共に、後部上面側を面取りしてなる
断面形状のものとした構成とする。
Further, the fin has a configuration in which the front end edge portion has a smooth circular arc shape and the cross-sectional shape is formed by chamfering the rear upper surface side.

更に、フィンの船底面のプロファイル線に対してなす迎角を1度から20度程度とした
構成とする。
Further, the angle of attack formed with respect to the profile line on the bottom surface of the fin is set to about 1 to 20 degrees.

以上述べた如く、本発明の船舶の抵抗低減装置によれば、以下の如き優れた効果を発揮
する。
(1) 船舶の船尾後端部の下側に、船底面と所要の距離を隔てて船幅方向に船底面とほぼ平
行に延びるように形成した平板状のフィンを配置し、且つ該フィンを、船底面との間に形
成される隙間が船首側から船尾側に向けて広くなるよう船底面のプロファイル線に対し所
要の迎角で取り付けた構成としてあるので、船体の前進時に船底面に沿って相対的に流れ
る水流を、船底面とフィンとの間の隙間を通過させるときに、該船底面に沿う水流に対し
て所要の迎角を持ったフィンの上面にて翼の原理により水流を加速させることができる。
この加速した水流を船尾の下端を通過させることにより、該船尾の下端の水切り能を改善
でき、このため、航行速度が低速域の場合であっても、船体の水切り能を向上させること
ができることから、造波抵抗等の抵抗の発生を抑制して、船体抵抗の低減化を図ることが
できる。
(2) フィンを、前端縁部を滑らかな円弧状とすると共に、後部上面側を面取りしてなる断
面形状のものとした構成とすることにより、フィンを流線形状とすることができるため、
該フィンを取り付けることに伴う船体の抵抗の増加を抑制することができる。
(3) フィンの船底面のプロファイル線に対してなす迎角を1度から20度程度とした構成
とすることにより、フィンと船底面との間を通過する水流を、効率よく加速させることが
できる。
As described above, according to the ship resistance reducing apparatus of the present invention, the following excellent effects are exhibited.
(1) A plate-like fin formed so as to extend substantially parallel to the bottom of the ship in the width direction of the ship at a distance from the bottom of the ship is arranged below the rear end of the stern of the ship, and the fin is Because the gap formed between the bottom of the ship and the bottom of the ship is widened from the bow side toward the stern side, it is installed at the required angle of attack with respect to the profile line on the bottom of the ship. When a relatively flowing water flow is passed through the gap between the bottom of the ship and the fins, the water flow is generated according to the wing principle on the upper surface of the fin having the required angle of attack with respect to the water flow along the bottom of the ship. It can be accelerated.
By passing this accelerated water flow through the bottom of the stern, the draining ability of the bottom of the stern can be improved, and therefore the draining ability of the hull can be improved even when the navigation speed is in a low speed range. Therefore, it is possible to reduce the hull resistance by suppressing the generation of resistance such as wave resistance.
(2) Since the fin has a smooth arc shape at the front end edge and a cross-sectional shape formed by chamfering the rear upper surface side, the fin can be streamlined.
An increase in the resistance of the hull accompanying the attachment of the fins can be suppressed.
(3) By making the angle of attack made with respect to the profile line on the bottom of the fins about 1 to 20 degrees, the water flow passing between the fins and the bottom of the ship can be efficiently accelerated. it can.

以下、本発明の実施の形態を図面を参照して説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図1(イ)(ロ)及び図2は本発明の船舶の抵抗低減装置の実施の一形態を示すもので
、図4(イ)(ロ)に示したと同様のトランサム型船尾を有する船舶におけるトランサム
型船尾3の船底面5の後端部下方位置に、船底の表面形状に沿うように船幅方向に船底面
5とほぼ平行に所要寸法延びる平板状のフィン6を、船底面5との間に所要の隙間7を隔
てて配置し、且つ該隙間7が船首側(フィン6の前端側)より船尾側(フィン6の後端側
)に向けて広くなるように、船底面5のプロファイル線に対する上記フィン6の前後方向
の取付角度(迎角)θが1度から20度程度、好ましくは5度程度となるようにして、該
フィン6を、上記船底面5に、垂直方向の支持ステー8を介し懸架支持させる。
1 (a) (b) and FIG. 2 show an embodiment of the ship resistance reducing device of the present invention. In a ship having a transom stern similar to that shown in FIGS. 4 (b) (b). A flat plate-like fin 6 extending in the width direction of the ship so as to follow the surface shape of the ship bottom and extending substantially in parallel with the ship bottom surface 5 at a position below the rear end of the ship bottom 5 of the transom stern 3. A profile of the bottom surface 5 is arranged such that a necessary gap 7 is disposed therebetween and the gap 7 is wider from the bow side (front end side of the fin 6) toward the stern side (rear end side of the fin 6). The mounting angle (attack angle) θ of the fin 6 with respect to the line in the front-rear direction is about 1 to 20 degrees, preferably about 5 degrees, and the fin 6 is supported on the bottom surface 5 in the vertical direction. Suspended and supported through the stay 8.

詳述すると、上記フィン6は、図2に拡大した断面図を示す如く、その断面形状の前端
縁部を滑らかな円弧状にすると共に、後部の上面側を所要角度、たとえば、約30度で面
取りすることにより後端縁側に向けて徐々に厚みを減じて、フィン6の断面形状が全体と
して流線形状となるようにしてある。なお、上記フィン6の上面と後部の面取りした面と
は滑らかなアールで連続するように処理してある。又、上記図2においては、フィン6の
断面形状を示す便宜上、厚み寸法を拡大して示してある。したがって、上記図2に示した
断面形状が、実際のフィン6の断面形状を反映するものではない。
More specifically, as shown in the enlarged cross-sectional view of FIG. 2, the fin 6 has a smooth arcuate front end edge of the cross-sectional shape and the upper surface side of the rear portion at a required angle, for example, about 30 degrees. By chamfering, the thickness is gradually reduced toward the rear edge, so that the cross-sectional shape of the fin 6 becomes a streamline shape as a whole. The upper surface of the fin 6 and the rear chamfered surface are processed so as to be continuous with a smooth radius. In FIG. 2, the thickness dimension is shown enlarged for convenience of showing the cross-sectional shape of the fin 6. Therefore, the cross-sectional shape shown in FIG. 2 does not reflect the actual cross-sectional shape of the fin 6.

又、上記支持ステー8も断面形状(図示せず)の前端縁部及び後端縁部を滑らかな円弧
状として、該支持ステー8の左右両側に水流を滑らかに流すことができるようにしてある
Also, the support stay 8 has a front end edge and a rear end edge of a cross-sectional shape (not shown) having a smooth arc shape so that water can flow smoothly on the left and right sides of the support stay 8. .

更に、上記フィン6の船幅方向に対する寸法は、船幅寸法の50〜100%とする(な
お、図1(イ)では船幅寸法に対して100%のものを示してある)。又、上記フィン6
の前後方向位置は、該フィン6の後端が、トランサム型船尾3の端面と同じか、やや前方
に位置するようにしてある。
Further, the dimension of the fin 6 in the ship width direction is 50 to 100% of the ship width dimension (in FIG. 1 (a), 100% of the ship width dimension is shown). The fin 6
The fin 6 is positioned so that the rear end of the fin 6 is the same as or slightly forward of the end face of the transom stern 3.

上記において、フィン6の船底面5のプロファイル線に対する角度θを1度から20度
程度としたのは、1度未満の場合には、後述する本発明の効果である船体1の前進時に上
記船底面5とフィン6の隙間7を流通する水流9の加速効果があまり望めず、一方、20
度を超えると、フィン6の後端部や船底面5の後端部にて、上記隙間7を流通させる水流
9が、フィン6の表面や船底面5より剥れてくる虞が高まるためである。
In the above description, the angle θ of the fin 6 with respect to the profile line of the bottom surface 5 is set to about 1 to 20 degrees. The acceleration effect of the water flow 9 flowing through the gap 7 between the surface 5 and the fin 6 cannot be expected so much.
If the temperature exceeds the upper limit, the water flow 9 that circulates the gap 7 at the rear end portion of the fin 6 or the rear end portion of the ship bottom surface 5 is likely to peel off from the surface of the fin 6 or the ship bottom surface 5. is there.

その他、図4(イ)(ロ)に示したものと同一のものには同一符号が付してある。   In addition, the same components as those shown in FIGS. 4A and 4B are denoted by the same reference numerals.

上記構成としてある本発明の船舶の抵抗低減装置によると、船舶を航行させると、相対
的に船底面5に沿って後方へ移行する水流が生じる。このために、船体1の前進する速度
が低速度域にてある程度の速度になると、上記船底面5に沿って後方へ相対移行する水流
は、該船底面5とフィン6との間に形成される船首側より船尾側に向けて広くなるように
してある隙間7に導かれ、該隙間7を通過させられるときに、この船底面5に沿う水流に
対し所要の取付角度θをなすフィン6の上面においては、翼の原理により水流が加速され
る。したがって、トランサム型船尾3の下端側を、この加速された水流9が通過すること
になるため、上記トランサム型船尾3の後端部下端の水切り能が改善される。
According to the ship resistance reducing device of the present invention having the above-described configuration, when the ship is navigated, a water flow that relatively moves backward along the ship bottom surface 5 is generated. For this reason, when the speed at which the hull 1 moves forward reaches a certain level in the low speed range, a water flow that relatively moves rearward along the bottom surface 5 is formed between the bottom surface 5 and the fins 6. When the fin 6 is guided to a gap 7 that is wider from the bow side toward the stern side and is allowed to pass through the gap 7, the fin 6 forms a required mounting angle θ with respect to the water flow along the bottom surface 5. On the top surface, the water flow is accelerated by the wing principle. Accordingly, since the accelerated water flow 9 passes through the lower end side of the transom stern 3, the draining ability at the lower end of the rear end portion of the transom stern 3 is improved.

このように、船体1の水切り能を向上させることができることにより、図1(ロ)に示
す如く、従来、船体1による水切りが行なわれなかった低速域においても、水面2をトラ
ンサム型船尾3の後端部下端と同じ高さにすることができるようになるため、トランサム
型船尾3を有する船舶の低速航行時の抵抗を低減させることが可能となる。
As described above, the ability of the hull 1 to drain water can be improved, and as shown in FIG. 1 (b), the water surface 2 can be moved to the transom type stern 3 even in the low speed range where the hull 1 has not been drained conventionally. Since it becomes possible to make it the same height as the lower end of the rear end, it is possible to reduce the resistance at the time of low-speed navigation of the ship having the transom stern 3.

又、上記フィン6は、断面形状が流線形状となるようにしてあるため、後述する実施例
の結果より明らかなように、該フィン6を取り付けたことによる抵抗の増加は抑えること
ができる。
Further, since the fin 6 has a streamlined cross-sectional shape, an increase in resistance due to the attachment of the fin 6 can be suppressed as is apparent from the results of the embodiments described later.

なお、本発明は上記実施の形態のみに限定されるものではなく、フィン6は、船幅方向
中央部と両端部にて支持ステー8を介し船底面5に取り付けたものとして示したが、作用
する水の抵抗に対し上記フィン6を確実に固定できるようにすれば、支持ステー8の配置
、本数等は自在に設定してよく、又、船底面5に対し直角方向とする等、垂直方向以外の
方向に延びるものとしてもよい。フィン6の厚み寸法及び前後寸法は、対象となる船舶の
サイズに応じて決定すればよいこと、その他、本発明の要旨を逸脱しない範囲内において
種々変更を加え得ることは勿論である。
The present invention is not limited only to the above embodiment, and the fins 6 are shown as being attached to the ship bottom surface 5 via the support stays 8 at the center and both ends in the ship width direction. As long as the fins 6 can be securely fixed against the resistance of the water to be generated, the arrangement, number, etc. of the support stays 8 may be set freely, and the vertical direction such as the direction perpendicular to the ship bottom surface 5 may be used. It is good also as what extends in directions other than. Of course, the thickness dimension and the front-rear dimension of the fin 6 may be determined according to the size of the target ship, and various changes can be made without departing from the scope of the present invention.

以下、本発明者の行った実験結果について説明する。   Hereinafter, the results of experiments conducted by the inventor will be described.

トランサム型船尾を有する船舶のモデルとして、全長6.4m、船尾での喫水が0.2
8mのフェリー模型に対し、図1(イ)(ロ)及び図2に示した如きフィン6を取り付け
た場合と、取り付けない場合における造波抵抗を比較した。
As a model of a ship with a transom type stern, the total length is 6.4m and the draft at the stern is 0.2.
The wave resistance in the case where the fins 6 as shown in FIGS. 1 (a) and 1 (b) and FIG.

上記フィン6としては、図2に説明上示してあるように、前後寸法Aを30mm、厚み
寸法Bを2mmとし、前端縁部の曲率Cを1rとする円弧状とし、上面の面取り角度Dを
約30度とし、後端部の厚み寸法Eが0.5mmとなるようにした。又、上記フィン6は
、船底面5の後端部の下方15mmの位置に、船底面5に沿って船幅方向の全長に亘って
取り付けた。更に、フィン6の船底面5のプロファイル線に対する角度θは5度とした。
2, the front and rear dimension A is 30 mm, the thickness dimension B is 2 mm, the curvature C of the front edge is 1r, and the chamfering angle D of the upper surface is as shown in FIG. It was set to about 30 degrees, and the thickness dimension E of the rear end portion was set to 0.5 mm. Further, the fin 6 was attached to the position 15 mm below the rear end portion of the ship bottom surface 5 along the ship bottom surface 5 over the entire length in the ship width direction. Further, the angle θ of the fin 6 with respect to the profile line of the ship bottom surface 5 was set to 5 degrees.

その結果、船体1にフィン6を取り付けた場合は、図3に線aで示す如く、線bで示し
たフィン6を取り付けない場合に比して、低速度域における所定の設計速力において約1
0%の造波抵抗低減効果を確認できた。
As a result, when the fins 6 are attached to the hull 1, as shown by a line a in FIG. 3, compared with a case where the fins 6 indicated by a line b are not attached, the predetermined design speed in the low speed region is about 1
The effect of reducing the wave resistance by 0% was confirmed.

なお、上記設計速力よりも遅い速度域では、フィン6の有無による造波抵抗の差は小さ
く、このため、上記フィン6を取り付けたことによる抵抗の増加は抑制されていることが
判る。
In the speed range slower than the design speed, the difference in wave resistance due to the presence or absence of the fin 6 is small, and it can be seen that the increase in resistance due to the attachment of the fin 6 is suppressed.

本発明の船舶の抵抗低減装置の実施の一形態を示すもので、(イ)は概略背面図、(ロ)は(イ)のX−X方向矢視拡大図である。BRIEF DESCRIPTION OF THE DRAWINGS One Embodiment of the ship's resistance reduction apparatus of this invention is shown, (A) is a schematic rear view, (B) is an XX direction arrow enlarged view of (A). 図1の装置におけるフィンの断面形状を拡大して示す図である。It is a figure which expands and shows the cross-sectional shape of the fin in the apparatus of FIG. 図1の装置をフェリー模型に適用して行なった造波抵抗低減の実験結果を示す図である。It is a figure which shows the experimental result of the wave resistance reduction performed by applying the apparatus of FIG. 1 to a ferry model. 従来のトランサム型船尾を有する船舶の航行状態と水面との関係を示すもので、(イ)は速度が速い場合、(ロ)は速度が遅い場合をそれぞれ示す概略側面図である。The relationship between the navigation state of the ship which has the conventional transom type stern and the water surface is shown, (a) is a schematic side view which respectively shows the case where speed is high, and (b) is the case where speed is slow.

符号の説明Explanation of symbols

3 トランサム型船尾(船尾)
5 船底面
6 フィン
7 隙間
θ 迎角
3 Transom type stern (stern)
5 Bottom of ship 6 Fin 7 Clearance θ Angle of attack

Claims (3)

船舶の船尾後端部の下側に、船底面と所要の距離を隔てて船幅方向に船底面とほぼ平行
に延びるように形成した平板状のフィンを配置し、且つ該フィンを、船底面との間に形成
される隙間が船首側から船尾側に向けて広くなるよう船底面のプロファイル線に対し所要
の迎角で取り付けた構成を有することを特徴とする船舶の抵抗低減装置。
A flat plate-like fin formed so as to extend substantially in parallel with the bottom surface of the ship at a required distance from the bottom surface of the ship is disposed below the stern rear end of the ship, and the fin is disposed on the bottom surface of the ship. A ship resistance reduction device characterized by having a configuration in which a gap formed between the two is widened from the bow side toward the stern side at a required angle of attack with respect to the profile line on the bottom of the ship.
フィンを、前端縁部を滑らかな円弧状とすると共に、後部上面側を面取りしてなる断面
形状のものとした請求項1記載の船舶の抵抗低減装置。
The ship resistance reducing device according to claim 1, wherein the fin has a cross-sectional shape formed by chamfering the rear upper surface side while making the front end edge portion a smooth arc shape.
フィンの船底面のプロファイル線に対してなす迎角を1度から20度程度とした請求項
1又は2記載の船舶の抵抗低減装置。
The ship resistance reducing device according to claim 1 or 2, wherein an angle of attack formed with respect to a profile line on a bottom surface of the fin is about 1 to 20 degrees.
JP2003291295A 2003-08-11 2003-08-11 Resistance reduction device for vessel Pending JP2005059715A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003291295A JP2005059715A (en) 2003-08-11 2003-08-11 Resistance reduction device for vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003291295A JP2005059715A (en) 2003-08-11 2003-08-11 Resistance reduction device for vessel

Publications (1)

Publication Number Publication Date
JP2005059715A true JP2005059715A (en) 2005-03-10

Family

ID=34369017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003291295A Pending JP2005059715A (en) 2003-08-11 2003-08-11 Resistance reduction device for vessel

Country Status (1)

Country Link
JP (1) JP2005059715A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100960089B1 (en) 2007-11-16 2010-05-31 삼성중공업 주식회사 Fin apparatus for Transom guide in Container ship

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100960089B1 (en) 2007-11-16 2010-05-31 삼성중공업 주식회사 Fin apparatus for Transom guide in Container ship

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