JP5095521B2 - 船体構造 - Google Patents
船体構造 Download PDFInfo
- Publication number
- JP5095521B2 JP5095521B2 JP2008166146A JP2008166146A JP5095521B2 JP 5095521 B2 JP5095521 B2 JP 5095521B2 JP 2008166146 A JP2008166146 A JP 2008166146A JP 2008166146 A JP2008166146 A JP 2008166146A JP 5095521 B2 JP5095521 B2 JP 5095521B2
- Authority
- JP
- Japan
- Prior art keywords
- fin
- stern
- length
- fins
- propulsion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
- B63B1/08—Shape of aft part
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/16—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Prevention Of Electric Corrosion (AREA)
Description
B=a1×δ
=[a2×L^(4/5)×(1.2−6/V)^(1/5)]/L …(1)
但し、a1〜a2:所定の定数
Claims (6)
- 肥大船における船体構造であって、
右舷船側及び左舷船側のそれぞれにおいて外側に張り出すように設けられた第1のフィン及び第2のフィンを備え、
前記第1及び第2のフィンは、船尾垂線と該船尾垂線から垂線間長の10%前方位置との間に設けられていると共に、水平方向に沿って延在しており、
前記第1のフィンは、前記第2のフィンの下方に位置し、
前記第1のフィンの前端は、前記第2のフィンの前端よりも前方に位置し、
前記右舷船側及び前記左舷船側は、後方から見て、内側に凹むように傾斜する曲面と、この曲面の下端に連続し外側に膨らむように傾斜する曲面と、を有しており、
前記第1及び第2のフィンは、
推進用プロペラのシャフト軸中心よりも上方、且つ前記推進用プロペラの回転円における上端よりも下方となる高さ位置に設けられていると共に、
外側に膨らむように傾斜する該曲面に設けられていることを特徴とする船体構造。 - 前記第1及び第2のフィンは、水平方向に張り出していることを特徴とする請求項1記載の船体構造。
- 側方視において、前記第1のフィンの前端と前記第2のフィンの前端との間の水平方向長さは、前記第1のフィンの長手方向長さの25%〜75%とされていることを特徴とする請求項1又は2記載の船体構造。
- 側方視において、前記第1及び第2のフィンの長手方向長さは、垂線間長の5%以下とされていることを特徴とする請求項1〜3の何れか一項記載の船体構造。
- 前記第1及び第2のフィンの張出し長さは、船尾周辺の流れの境界層厚さに基づいて設定されていることを特徴とする請求項1〜4の何れか一項記載の船体構造。
- 船尾ダクトをさらに備えたことを特徴とする請求項1〜5の何れか一項記載の船体構造。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008166146A JP5095521B2 (ja) | 2008-06-25 | 2008-06-25 | 船体構造 |
KR1020090027920A KR101204287B1 (ko) | 2008-06-25 | 2009-04-01 | 선체구조 |
CN200910141755.2A CN101612978B (zh) | 2008-06-25 | 2009-05-25 | 船体结构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008166146A JP5095521B2 (ja) | 2008-06-25 | 2008-06-25 | 船体構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010006175A JP2010006175A (ja) | 2010-01-14 |
JP5095521B2 true JP5095521B2 (ja) | 2012-12-12 |
Family
ID=41492899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008166146A Active JP5095521B2 (ja) | 2008-06-25 | 2008-06-25 | 船体構造 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5095521B2 (ja) |
KR (1) | KR101204287B1 (ja) |
CN (1) | CN101612978B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5101680B2 (ja) * | 2010-10-21 | 2012-12-19 | 株式会社新来島どっく | 船尾フィン |
JP5868805B2 (ja) * | 2012-07-31 | 2016-02-24 | 住友重機械マリンエンジニアリング株式会社 | 肥大船 |
KR101489282B1 (ko) * | 2013-01-04 | 2015-02-04 | 골드해상 주식회사 | 부유식 도크 및 이를 이용한 케이슨 제작방법 |
TWI722062B (zh) * | 2016-11-30 | 2021-03-21 | 梅正新 | 減少船舶航行阻力的結構 |
JP6478228B2 (ja) * | 2016-12-05 | 2019-03-06 | 国立研究開発法人 海上・港湾・航空技術研究所 | 船尾ダクトとフィンを有した船尾形状及び船舶 |
JP6351700B2 (ja) * | 2016-12-27 | 2018-07-04 | ジャパンマリンユナイテッド株式会社 | フィン装置及び船舶 |
CN114932976B (zh) * | 2022-05-19 | 2023-05-12 | 中国船舶科学研究中心 | 一种契合船体线型的减摇鳍封盖装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5950889A (ja) * | 1982-09-17 | 1984-03-24 | Sanoyasu:Kk | 船尾渦を制御する船尾フイン |
JPS5973390A (ja) * | 1982-10-20 | 1984-04-25 | Mitsui Eng & Shipbuild Co Ltd | 船舶における整流装置 |
JPS60183293A (ja) * | 1984-02-29 | 1985-09-18 | Mitsubishi Heavy Ind Ltd | 舶用防振式フイン構造 |
JP2623895B2 (ja) * | 1990-03-30 | 1997-06-25 | 石川島播磨重工業株式会社 | 船尾粘性抵抗低減装置 |
DE4025339C2 (de) * | 1990-08-10 | 1999-07-08 | Schneekluth Herbert | Leitflächensystem |
JPH061281A (ja) * | 1992-06-17 | 1994-01-11 | Ishikawajima Harima Heavy Ind Co Ltd | 船舶の抵抗低減装置 |
JPH08318896A (ja) * | 1995-05-26 | 1996-12-03 | Shinkurushima Dock:Kk | 船舶の針路安定フィン |
JPH11255178A (ja) * | 1998-03-09 | 1999-09-21 | Ishikawajima Harima Heavy Ind Co Ltd | 船 舶 |
JP2001239992A (ja) * | 2000-02-29 | 2001-09-04 | Nkk Corp | 肥大船 |
JP3808726B2 (ja) * | 2001-06-05 | 2006-08-16 | 株式会社サノヤス・ヒシノ明昌 | 船舶フィン装置 |
JP2006347285A (ja) * | 2005-06-14 | 2006-12-28 | Ishikawajima Harima Heavy Ind Co Ltd | 船舶の船尾部構造及びその設計方法 |
KR100718934B1 (ko) * | 2006-09-01 | 2007-05-18 | 삼성중공업 주식회사 | 압력저항 및 진동 개선 용 유동제어장치 |
-
2008
- 2008-06-25 JP JP2008166146A patent/JP5095521B2/ja active Active
-
2009
- 2009-04-01 KR KR1020090027920A patent/KR101204287B1/ko active IP Right Grant
- 2009-05-25 CN CN200910141755.2A patent/CN101612978B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
KR101204287B1 (ko) | 2012-11-23 |
CN101612978A (zh) | 2009-12-30 |
JP2010006175A (ja) | 2010-01-14 |
CN101612978B (zh) | 2014-01-01 |
KR20100002086A (ko) | 2010-01-06 |
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