| Project/Area Number |
12355035
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 展開研究 |
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| Research Field |
船舶工学
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| Research Institution | Osaka University |
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Principal Investigator |
NAITO Shigeru OSAKA UNIV., School of Engineering, Professor, 大学院・工学研究科, 教授 (20093437)
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| Co-Investigator(Kenkyū-buntansha) |
MORI Atsuhiko Mori Engineering Co.,Ltd.,Head, 所長(研究職)
MINOURA Munehiko OSAKA UNIV.,School of Engineering, Assistant Professor, 大学院・工学研究科, 助手 (30294044)
TAKAGI Ken OSKA UNIV.,School of Engineering, Assoc Professor, 大学院・工学研究科, 助教授 (90183433)
BESSHO Masatoshi NIHON UNIV., Dept. of Science and Engineering, Lecture, 理工学部, 講師
ISSHIKI Hiroshi Mathematical Principle Analysis Research Institute, Head, 代表(研究職)
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| Project Period (FY) |
2000 – 2002
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| Project Status |
Completed (Fiscal Year 2002)
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| Budget Amount *help |
¥22,830,000 (Direct Cost: ¥18,900,000、Indirect Cost: ¥3,930,000)
Fiscal Year 2002: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2001: ¥11,570,000 (Direct Cost: ¥8,900,000、Indirect Cost: ¥2,670,000)
Fiscal Year 2000: ¥5,800,000 (Direct Cost: ¥5,800,000)
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| Keywords | Fixed bow fin / Controllable bow fin / Reduction of ship motions and added resistance / Welts turbines / Stowing system of the fin / Pressure fluctuation at bottom / Inflow velocity into fins / 船首翼 / 水力の発生 / 翼の収納 / 燃費減少 |
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| Research Abstract |
1. From theoretical and experimental point of view, we show the possibility to trarmfono wave energy into shipthrust by using the bow fin
2. In the sea condition such as calm nun very rough sea condition, it is better to stow the fins into tp hull. Effective sea condition of the fin system is determined by the proposal concept
3. By controlling the bow fin, We can reduce the roll motions like antirolling fin which is usually equipped at the midship section. The system of anti rolling fin is well known and well established. As the result, that system can be equipped at the bow without the difficult problems.
4. We propose the new fin :wing system at the bow part where the stowing space is very narrow than midship part. The proposal bow slowing systm is that one fin is put on the other fin
5. By controlling the bow fins, we propose the new rushinglesscontainersystem
6. We propose not ordy the bow fin system but other method. The another one is that we propose to build the moonpool at the bow part. At the moon pool the wells turbine is equipped to generate electric power by using up and down flow which is caused by ship modons
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