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Title:
船尾用ダクト、船尾用ダクトの設計方法、及び船尾用ダクトを装備した船舶
Document Type and Number:
Japanese Patent JP6376679
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a stern duct capable of improving a hull efficiency without increasing the resistance to a hull even if a duct body is added to the hull, a method for designing the stern duct, and a ship equipped with the stern duct.SOLUTION: A stern duct is characterized: in that a duct body 11 is formed into a generally arcuate shape of an angular range from 90 degrees to 180 degrees in a stern duct 10 to be attached to the front of a propeller 3 attached to the stern 2 of a hull; and in that the duct body 11 is so attached to the stern 2 by support means 12 that the duct body 11 may be asymmetric to the vertical center line Xv of the propeller 3 while the hull is seen in a front view.

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Inventors:
Nobuaki Sakamoto
Kishimoto Masahiro
Hideki Kawashima
Kenichi Kume
Junichi Fujisawa
Yasuo Ichinose
Anemi Kaneko
Shotaro Uto
Natsu Munehiko
Konami Kawanami
Application Number:
JP2013259664A
Publication Date:
August 22, 2018
Filing Date:
December 16, 2013
Export Citation:
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Assignee:
National Research and Development Agency Maritime, Port and Aeronautical Technology Research Institute
International Classes:
B63H5/16; B63B1/08; B63B9/04; B63H5/08
Domestic Patent References:
JP9175488A
JP2008308023A
JP2013139175A
Foreign References:
KR1020130125628A
WO2013014938A1
KR1020120068223A
Attorney, Agent or Firm:
Shinichi Abe
Yoshihiro Shimizu
Yuji Tsujida
Kazunori Fujie
Ichiro Kaneko