NDLI: Reduction ship skin resistance by injection small bubbles

Content Provider	IEEE Xplore Digital Library
Author	Phan Anh Tuan Pham Thi Thanh Huong
Copyright Year	2012
Description	Author affiliation: Dept. Ship Eng. & Fluid Mech., Hanoi Univ. of Sci. & Technol., Hanoi, Vietnam (Phan Anh Tuan; Pham Thi Thanh Huong)
Abstract	Ship total resistance is including skin resistance, wave-making resistance and wind resistance. In which, the main factor of ship resistance is skin resistance. This paper shows a study on reduction ship resistance via reduction skin resistance by injection small bubbles. When a solid body moves on or under water surface, for skin resistance to be generated, the solid body must be in contact with the water. Skill resistance is generated by the difference in velocity between the solid object and the water. Injection small bubbles is a skin resistance reduction method that reduces skin friction of the ship moving in water by injecting small bubbles into the turbulent boundary layer developing on the ship skin. This method is expected to reduce up to 80% of ship skin resistance. Author found that this resistant reduction method could be applied to large ships not high speed movement. A model that is scaled 1/33 of a 20000 ton cargo ship had been created for carrying out experiments in a towing tank. Experimental results show that total ship resistance is reducing up to 22.5% between using and not using small bubble injection method.
Sponsorship	Oceanic Eng. Soc.
Starting Page	1
Ending Page	6
File Size	2788595
Page Count	6
File Format	PDF
ISBN	9781467308298
e-ISBN	9781467308311
DOI	10.1109/OCEANS.2012.6405023
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Marine vehicles Resistance Immune system Atmospheric modeling Skin Power supplies Solid modeling large ship Skin resistance reduction injection small bubbles
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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