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    Wyświetlanie 1-6 z 6
    Tytuł:
    Implementation of energy efficiency management in shipping companies and ships in operation
    Autorzy:
    Kaminski, Włodzimierz
    Powiązania:
    https://bibliotekanauki.pl/articles/27313683.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    Ship Energy Efficiency Management Plan
    EEOI
    best practices
    Plan zarządzania efektywnością energetyczną statku
    najlepsze praktyki
    Opis:
    Purpose: reasons for writing the paper is to present and explained implemented on board seaging vessels energy efficiency management and give an answer to question how SEEMPs are implemented and applied in day to day operation. Design/methodology/approach: an analysis of various shipping companies and ships Ship Energy Efficiency Management Plans. Findings: found that application of SEEMP are varied between shipping companies and is not very well known on board vessels. Research limitations/implications: SEEMP to be clearly explained to ships crew for better understanding and application in day to day operation. Practical implications: suggestion to Shipping Management Companies to simplify SEEMPs. Social implications: reduction of GHG emission. Originality/value: implementation of best practices to improve EEOI.
    Źródło:
    Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2022, 157; 223--235
    1641-3466
    Pojawia się w:
    Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Study on the Propulsion Performance in the Actual Sea by means of Full-scale Experiments
    Autorzy:
    Kayano, J.
    Yabuki, N.
    Sasaki, N.
    Hiwatashi, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/116354.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Propulsion Performance
    Propulsion
    mechanical engineering
    Energy Efficiency Design Index (EEDI)
    Ship Energy Efficiency Management Plan (SEEMP)
    Energy Efficiency Operational Indicator (EEOI)
    Self Propulsion Factors
    Power Curves
    Opis:
    The IMO has adopted Energy Efficiency Design Index (EEDI), Ship Energy Efficiency Management Plan (SEEMP) and Energy Efficiency Operational Indicator (EEOI) in order to reduce GHG emissions from international shipping. And, the shipping industry is required to develop and improve the energy saving ship operation technologies to meet the above IMO guideline. The weather routing is one of the energy saving navigation technologies and widely adopted by oceangoing merchant ships. The effectiveness of the weather routing mainly depends on the accuracy of weather forecast data and the ship’s propulsion performance prediction. The propulsion performance in the actual sea is usually predicted using the Self Propulsion Factors obtained by model tests. It is necessary to understand the propulsion performance characteristics in the actual sea conditions for the improvement of propulsion performance prediction. From the above points of view, the authors performed full‐scale experiments using a training ship in order to investigate the propulsion performance characteristics in the actual sea. This paper describes the analysis results on the characteristics of Power Curves and Self Propulsion Factors under various weather and sea conditions.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 4; 521-526
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulation study on the Influence of EEDI requirements to shiphandling in heavy weather
    Autorzy:
    Nishizaki, C.
    Okazaki, T.
    Yabuki, H.
    Yoshimura, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/116458.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    ship handling
    Energy Efficiency Design Index (EEDI)
    CO2
    heavy weather
    main engine
    Energy Efficiency Operational Index (EEOI)
    Maritime Environmental Protection Committee (MEPC)
    Pure Car Carrier (PCC)
    Opis:
    In order to reduce the CO2 emission from ships, International Maritime Organization executes the restriction of Energy Efficiency Design Index (EEDI) which limits amount of CO2 when freight of one ton is carried at one mile. Although the realization of higher efficiency of main engine without reduction of engine output is the best solution, it might be impossible. To comply with the EEDI requirements, it is assumed that the ship’s engine power becomes smaller than the existing ship by means of improving the ship propulsive efficiency. However, shiphandling in rough seas is expected to become difficult when the engine power is reduced. In this paper it is shown that the influence of the degraded main engine exerts on the safety of shiphandling in heavy weather based on the simulation study. In these experiments, both the simulation model that decreased engine power corresponding to EEDI requirement and that with the conventional engine power were tested, and masters in active service maneuvered the test ships in the rough seas.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 4; 855-860
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Calculation of operational indicator EEOI for ships designed to other purpose than transport based on a research - training vessel
    Autorzy:
    Prill, Katarzyna
    Igielski, Karol
    Powiązania:
    https://bibliotekanauki.pl/articles/27315927.pdf
    Data publikacji:
    2018
    Wydawca:
    STE GROUP
    Tematy:
    efektywność energetyczna statku
    emisja CO2
    statek badawczo-szkoleniowy
    EEOI
    wskaźnik operacyjny
    vessel energy efficiency
    CO2 emission
    research training vessel
    operational indicator
    Opis:
    Applying the Energy Efficiency Operational Indicator as a tool for monitoring the energy efficiency of ships performing other functions or tasks than transport is a problem in the proper assessment of the CO2 emitted by the vessel during its operation. The analysis of 30 voyages of the research-training vessel showed that the vessel Energy Efficiency Operational Indicator is higher than for transport vessels in the world fleet. The authors suggest that the term „performed transport work” in the indicator calculation method recommended by the International Maritime Organization needs to be modified in terms of operational parameters of this type of ships.
    Źródło:
    New Trends in Production Engineering; 2018, 1, 1; 335-340
    2545-2843
    Pojawia się w:
    New Trends in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Improving the Efficiency of a High Speed Catamaran Through the Replacement of the Propulsion System
    Autorzy:
    Melo, G.
    Echevarrieta, I.
    Serra, J. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/116469.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Ship Propulsion
    Propulsion System
    High Speed Catamaran
    High Speed Craft (HSC)
    MARPOL Annex VI
    Energy Efficiency Operational Index (EEOI)
    Marine Gas Oil (MGO)
    Improving the Efficiency
    Opis:
    The high speed vessels are primarily designed for short distances services as public transport of passengers and vehicles. The range of high speed, according to the Code of high-speed vessels begins at 20 knots, which depends on the cruise speed you desire for your vessel; you will have to use the most appropriate type of propellant. In general, in the past 20 years, they have been building high-speed vessels with speeds above 33 knots, which meant installing water jet propellants coupled to powerful engines and therefore of high consumption of fuel, increasing operating costs and causing increased air pollution. Although the prices of fuel have been reduced to half, due to the sharp fall in oil prices, the consumption of fuel and the air pollution remains high at these speeds and powers used, in addition to that the reduction of the time spent on each trip is not excessive, mainly in short routes that are less than an hour . This article is about adapting a ship of high-speed service, with a maximum speed in tests of 34 knots and to reduce its operating costs (fuel, maintenance, etc.) and make it economically viable; before the transformation, this vessel was operating with a service speed of 22 knots, and with a consumption per mile of 135 litters of MGO. The transformation process has consisted by: – Replacement of the two original water jet with four shaft lines with fix pitch propeller. – Replacement of the two original main engines (2 x 6500 kW = 13000 kW) by four engines (4 x 1380kW = 5.520 kW). – Changing the underwater hull shape to fit the new propellers and maximize its efficiency. – Relocation of auxiliary engines, to achieve the most efficient trim. – Installation of two lateral propellers to improve maneuverability and shorten the total time of journey. After the reform and the return to service of the vessel with a service speed of over 22 knots, it has been verified that the consumption per mile is of 45 litters MGO, representing a reduction of 65% of consumption and even more reduction of emissions as the new engines comply with the latest regulations.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 4; 531-535
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Overview of the ship efficiency management plan for a eafaring model ship based on the IMO MEPEC 231 (65) resolution
    Autorzy:
    Waliszyn, A.
    Adamkiewicz, A.
    Yafasov, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/27315841.pdf
    Data publikacji:
    2018
    Wydawca:
    STE GROUP
    Tematy:
    International Maritime Organisation (IMO)
    IMO Resolution MEPS 231 (65)
    design energy
    Efficiency Index for a New Ship (EEDI)
    Operational Indicator
    Energy Efficiency Index (EEOI)
    CO2 emission
    Index Cf
    Energy Efficiency Management Plan (SEEMP)
    Międzynarodowa Organizacja Morska (IMO)
    uchwała IMO MEPS 231 (65)
    efektywność energetyczna
    wskaźnik efektywności energetycznej
    emisja CO2
    Opis:
    The increase of maritime international trade, especially of dangerous liquid cargos led to a significant increase of the number of sea-going ships. Their operation poses a real threat to the maritime environment both as a result of terminal events with transported dangerous liquid cargos and emissions of harmful products from fuels burnt by ship power systems. Because of those there is a need to undertake actions to prevent such occurrences using formal, legal and utilitarian tools. Philosophy of research methodology and rationalization of actions in compliance with international directives have been shown. The article presents the guidelines of the IMO Resolution MEPC 231(65) on preventing air pollution with carbon dioxide from ships. Design Energy Efficiency Index (EEDI) for a new ship was given as well as Energy Efficiency Operational Indicator (EEOI) determined for conventional ships after a completed voyage was defined and interpreted. A model of a Ship Energy Efficiency Management Plan (SEEMP) of a chosen ship has been constructed taking into account possible actions aimed at obtaining the highest power efficiency of the ship at sea voyage. Conclusions have been drawn and possible directions of further actions have been established.
    Źródło:
    New Trends in Production Engineering; 2018, 1, 1; 631-637
    2545-2843
    Pojawia się w:
    New Trends in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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