Stopping Abilities of Ships Equipped with Controllable Pitch Propeller

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  • 可変ピッチプロペラ装備船の後進性能 (第1報)
  • 可変ピッチプロペラ装備船の後進性能-1-
  • カヘン ピッチプロペラ ソウビセン ノ コウシン セイノウ 1

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Description

Recently KHI built three kinds of ships equipped with controllable pitch propeller (CPP). They are a reefer, a container and an ore/oil tanker and all of them are higher-powered ships in comparison with those built before. As speed and size of ships increase, necessity of better stopping abilities has been increased. Investigations on the stopping abilities of ships with fixed pitch propeller (EPP) have been reported in detail by many researchers, but those on CPP ships are very rare. As the first step of the investigation on the stopping abilities of ships equipped with CPP, the authors report on crash astern test results, measured at sea trial test of above mentioned ships and compare with those of FPP ships. Furthermore they show the results of computation about transient phenomena in case of CPP ships by using one dimensional equation of motion and compare them with sea trial results.

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