JP2007069834A - 船舶 - Google Patents
船舶 Download PDFInfo
- Publication number
- JP2007069834A JP2007069834A JP2005261528A JP2005261528A JP2007069834A JP 2007069834 A JP2007069834 A JP 2007069834A JP 2005261528 A JP2005261528 A JP 2005261528A JP 2005261528 A JP2005261528 A JP 2005261528A JP 2007069834 A JP2007069834 A JP 2007069834A
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- bow
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 230000001133 acceleration Effects 0.000 claims abstract description 7
- 238000004873 anchoring Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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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
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Traffic Control Systems (AREA)
Abstract
【解決手段】 所定の設定高さh1を、船舶の航海速力をVsとし、重力加速度をgとした時に、(0.5×Vs×Vs)/gで計算される水頭hoの0.5倍〜1.5倍の範囲内の値に設定し、船首部付近のフレアの横断面の形状を、船長方向に関しては、船首垂線F.P.から後方の少なくとも垂線長Lppの0.5%〜5%の間で、かつ、高さ方向に関しては、少なくとも最大喫水Z0から前記所定の設定高さh1までの間において、垂直線に対して0°〜5°の傾斜角θを持たせて形成する。
【選択図】 図1
Description
図1及び図2に示すように、本発明に係る実施の形態の船舶1は、船長方向に関しては、船首垂線F.P.から後方の少なくとも垂線長Lppの0.5%〜5%の間の船首部付近で、次のように形成される。
1X 船舶(従来例)
A 実施例
B 従来例
C.L. 船体中央線(センターライン)
F.P. 船首垂線
Fn フルード数
g 重力加速度
h1 所定の設定高さ
ho 淀み点における水頭
hs 船首から遠方に離れた位置での水頭
O 淀み点
X0 横断面位置(船首垂線部分:F.P.)
X1 横断面位置
X2 横断面位置
X3 横断面位置
Z0 最大喫水(構造喫水)
Z1 所定の設定高さの位置
Vs 航海速力
Vo 淀み点の流速
Claims (2)
- 所定の設定高さ(h1)を、船舶の航海速力をVsとし、重力加速度をgとした時に、(0.5×Vs×Vs)/gで計算される水頭(ho)の0.5倍〜1.5倍の範囲内の値に設定し、船首部付近のフレアの横断面の形状を、船長方向に関しては、船首垂線(F.P.)から後方の少なくとも垂線長(Lpp)の0.5%〜5%の間で、かつ、高さ方向に関しては、少なくとも最大喫水(Z0)から前記所定の設定高さ(h1)までの間において、垂直線に対して0 °〜5 °の傾斜角(θ)を持たせて形成したことを特徴とする船舶。
- 方形係数(Cb)が0.83〜0.90で、航海速力(Vs)がフルード数(Fn)換算で0.120〜0.170の船舶であることを特徴とする請求項1記載の船舶。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005261528A JP4721836B2 (ja) | 2005-09-09 | 2005-09-09 | 船舶 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005261528A JP4721836B2 (ja) | 2005-09-09 | 2005-09-09 | 船舶 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007069834A true JP2007069834A (ja) | 2007-03-22 |
JP4721836B2 JP4721836B2 (ja) | 2011-07-13 |
Family
ID=37931651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005261528A Active JP4721836B2 (ja) | 2005-09-09 | 2005-09-09 | 船舶 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4721836B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008239059A (ja) * | 2007-03-28 | 2008-10-09 | Mitsui Eng & Shipbuild Co Ltd | 船舶 |
JP2011173474A (ja) * | 2010-02-23 | 2011-09-08 | National Maritime Research Institute | 波浪中抵抗増加低減ステップを備えた船体構造 |
JP2012086790A (ja) * | 2010-10-22 | 2012-05-10 | National Maritime Research Institute | 波浪中抵抗増加低減ステップを備えた船体構造 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08239082A (ja) * | 1995-03-06 | 1996-09-17 | Ishikawajima Harima Heavy Ind Co Ltd | 船首バルブ付き船舶 |
JP2003160090A (ja) * | 2001-11-22 | 2003-06-03 | Kawasaki Heavy Ind Ltd | 船舶の船首形状 |
JP2004314943A (ja) * | 2003-03-28 | 2004-11-11 | Mitsui Eng & Shipbuild Co Ltd | 船舶 |
-
2005
- 2005-09-09 JP JP2005261528A patent/JP4721836B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08239082A (ja) * | 1995-03-06 | 1996-09-17 | Ishikawajima Harima Heavy Ind Co Ltd | 船首バルブ付き船舶 |
JP2003160090A (ja) * | 2001-11-22 | 2003-06-03 | Kawasaki Heavy Ind Ltd | 船舶の船首形状 |
JP2004314943A (ja) * | 2003-03-28 | 2004-11-11 | Mitsui Eng & Shipbuild Co Ltd | 船舶 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008239059A (ja) * | 2007-03-28 | 2008-10-09 | Mitsui Eng & Shipbuild Co Ltd | 船舶 |
JP2011173474A (ja) * | 2010-02-23 | 2011-09-08 | National Maritime Research Institute | 波浪中抵抗増加低減ステップを備えた船体構造 |
JP2012086790A (ja) * | 2010-10-22 | 2012-05-10 | National Maritime Research Institute | 波浪中抵抗増加低減ステップを備えた船体構造 |
Also Published As
Publication number | Publication date |
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JP4721836B2 (ja) | 2011-07-13 |
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