Influence of operability criteria limiting values on ship speed

Prpić-Oršić, Jasna and Faltinsen, Odd Magnus and Parunov, Joško (2016) Influence of operability criteria limiting values on ship speed. = Influence of operability criteria limiting values on ship speed. Brodogradnja : Teorija i praksa brodogradnje i pomorske tehnike, 67 (3). pp. 37-58. ISSN 0007-215X. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q3 (2016). Točan broj autora: 3.

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Abstract

When the ship is caught in heavy seas, there are two manoeuvres that the shipmaster can undertake to avoid excessive ship motion and hull damage: changing course or voluntary speed reduction. This paper presents a study of the effect of the various voluntary speed reduction criteria to attainable speed of ship on seaway. The speed loss is calculated by taking into account wind and wave effect on ship speed, the engine and propeller performance in actual seas as well as the mass inertia of the ship. The attainable ship speed for ship in head, following and beam waves by accounting for voluntary speed reduction is estimated for various significant wave height. The criteria of slamming, deck wetness, propeller emergence, excessive accelerations and roll are taken into account. The impact of variations of the limiting values of certain criteria due to which the captain intentionally reduces the ship speed is analysed and discussed.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): Operability criteria, Seakeeping, Voluntary speed reduction
Subjects: TECHNICAL SCIENCE > Shipbuilding
Divisions: 600 Department of Naval Engineering and Marine Technology > 620 Chair of Marine Structures Design
Indexed in Web of Science: Yes
Indexed in Current Contents: No
Citations JCR: 0 (06.10.2017.)
Quartiles: Q3 (2016)
Date Deposited: 28 Sep 2016 12:23
Last Modified: 06 Oct 2017 12:45
URI: http://repozitorij.fsb.hr/id/eprint/7004

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