NUMERICAL ANALYSIS OF THE UNSTEADY PROPELLER PERFORMANCE IN THE SHIP WAKE MODIFIED BY DIFFERENT WAKE IMPROVEMENT DEVICES

Numerical Analysis of the Unsteady Propeller Performance in the Ship Wake Modified By Different Wake Improvement Devices

The paper presents the summary of results of the numerical analysis of the unsteady propeller performance in the non-uniform ship wake modified by the different wake improvement devices.This analysis is performed using the lifting surface program DUNCAN for unsteady propeller analysis.Te object of the analysis is a 7000 ton chemical tanker, for whi

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New Record of some red algal species (Rhodophyta) from Korea

Rhodophyta is one of major groups in the number of species and diversity of the marine algal flora.The occurrence of Korean 5 red algal species is reported for the first time on the list of Korean marine algal flora based on morphology: Ceramium pacificum, Cumathanmnion serrulatum, Gayliella fimbriata, Leptofauchea rhodymenioides, equi-jec 6 Sorell

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