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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Introducing Alphitobius diaperinus, (Insecta: Tenebrionidae) as a New Intermediate Host of Hadjelia truncata (Nematoda)

Background: Hadjelia truncata is a nematode that causes lesions in the gizzard lining of pigeons, which may even lead to death.The aim of this study was to introduce Alphitobius diaperinus as a new intermediate host for Hadjelia truncata.Methods: H.truncata infection was identified in a pigeon flock in Ahvaz City, Khuzestan Province, Iran by perfor

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