Full scale performance of Gate Rudder

Noriyuki Sasaki, Sadatomo Kuribayashi, Adrian Miles

Research output: Contribution to conferencePaper

Abstract

This paper introduces a full scale performance obtained from a voyage data of a 2400 dwt container ship equipped with the world first GATE RUDDER®. The GATE RUDDER®
is an innovative propulsion system which may not be categorized as a conventional energy saving device and it has not been even fully explored so far. The recent full-scale
trials with this domestic container vessel have confirmed the superior performance of the GATE RUDDER® system which is 14% better compared with a conventional rudder
system. After 9 months from her delivery, the voyage data revealed the fact that the difference observed in the speed trial was not fortunate and much larger difference 29%
was found surprisingly.

In this paper, the full scale performance which is largely different from not only the model test but also the sea trial result will be investigated and the paper will conclude
that the main reason of this discrepancy between sea trial results and navigation data is due to the difference of rudder resistance which appears during the frequent helm
to keep the course controlled by auto-pilot.

Conference

ConferenceRINA 2019
CountryUnited Kingdom
CityLondon
Period27/03/1928/03/19

Fingerprint

Containers
Propulsion
Energy conservation
Ships
Navigation

Keywords

  • Gate Rudder
  • energy saving
  • performance

Cite this

Sasaki, N., Kuribayashi, S., & Miles, A. (2019). Full scale performance of Gate Rudder. Paper presented at RINA 2019, London, United Kingdom.
Sasaki, Noriyuki ; Kuribayashi, Sadatomo ; Miles, Adrian . / Full scale performance of Gate Rudder. Paper presented at RINA 2019, London, United Kingdom.
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author = "Noriyuki Sasaki and Sadatomo Kuribayashi and Adrian Miles",
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note = "RINA 2019 : Propellers - Research, Design, Construction & Application ; Conference date: 27-03-2019 Through 28-03-2019",

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Sasaki, N, Kuribayashi, S & Miles, A 2019, 'Full scale performance of Gate Rudder' Paper presented at RINA 2019, London, United Kingdom, 27/03/19 - 28/03/19, .

Full scale performance of Gate Rudder. / Sasaki, Noriyuki; Kuribayashi, Sadatomo ; Miles, Adrian .

2019. Paper presented at RINA 2019, London, United Kingdom.

Research output: Contribution to conferencePaper

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AU - Sasaki, Noriyuki

AU - Kuribayashi, Sadatomo

AU - Miles, Adrian

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N2 - This paper introduces a full scale performance obtained from a voyage data of a 2400 dwt container ship equipped with the world first GATE RUDDER®. The GATE RUDDER®is an innovative propulsion system which may not be categorized as a conventional energy saving device and it has not been even fully explored so far. The recent full-scaletrials with this domestic container vessel have confirmed the superior performance of the GATE RUDDER® system which is 14% better compared with a conventional ruddersystem. After 9 months from her delivery, the voyage data revealed the fact that the difference observed in the speed trial was not fortunate and much larger difference 29%was found surprisingly.In this paper, the full scale performance which is largely different from not only the model test but also the sea trial result will be investigated and the paper will concludethat the main reason of this discrepancy between sea trial results and navigation data is due to the difference of rudder resistance which appears during the frequent helmto keep the course controlled by auto-pilot.

AB - This paper introduces a full scale performance obtained from a voyage data of a 2400 dwt container ship equipped with the world first GATE RUDDER®. The GATE RUDDER®is an innovative propulsion system which may not be categorized as a conventional energy saving device and it has not been even fully explored so far. The recent full-scaletrials with this domestic container vessel have confirmed the superior performance of the GATE RUDDER® system which is 14% better compared with a conventional ruddersystem. After 9 months from her delivery, the voyage data revealed the fact that the difference observed in the speed trial was not fortunate and much larger difference 29%was found surprisingly.In this paper, the full scale performance which is largely different from not only the model test but also the sea trial result will be investigated and the paper will concludethat the main reason of this discrepancy between sea trial results and navigation data is due to the difference of rudder resistance which appears during the frequent helmto keep the course controlled by auto-pilot.

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Sasaki N, Kuribayashi S, Miles A. Full scale performance of Gate Rudder. 2019. Paper presented at RINA 2019, London, United Kingdom.