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http://dx.doi.org/10.5916/jkosme.2010.34.5.718

Study on the Wall Effect Correction for Propeller Open Water Characteristics in the Medium Size Cavitation Tunnel  

Suh, Sung-Bu (동의대학교 조선해양공학과)
Kim, Ki-Sup (한국해양연구원 해양시스템안전연구소 해양운송연구부)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.34, no.5, 2010 , pp. 718-724 More about this Journal
Abstract
This paper studies the differences due to the wall effect in propeller open water(POW) characteristics tested in a towing tank and in a medium size cavitation tunnel(CT). When the advanced velocity of the propeller is defined as the flow velocity measured in the plane of propeller, POW characteristics resulting from CT has a better relationship with them of towing tank. To obtain the wall effect in the propeller plane, numerical computation using the lifting panel theory is performed with and without the wall around a propeller. Then, POW results in CT are corrected based on the wall effect from numerical results. The POW results obtained from this procedure show a better agreement with the experimental results in the towing tank.
Keywords
Cavitation tunnel(CT); Towing tank; Propeller open water(POW) characteristics; Wall effect; Advanced velocity; Lifting panel theory;
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