Temat: Container Ship - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Factors affecting safety of handling ultra large container vessels in Port of Gdańsk
Czynniki wpływające na bezpieczeństwo manewrowania bardzo dużymi kontenerowcami w porcie Gdańsk
Autorzy:: Pawelski, Jan
Piotrzkowski, Wiesław
Śniegocki, Henryk
Wilczyński, Przemysław
Tematy:: Gdańsk
container ship
ship handling
kontenerowiec
manewrowanie; Pokaż więcej
Wydawca:: Instytut Naukowo-Wydawniczy "SPATIUM"
Powiązania:: https://bibliotekanauki.pl/articles/315559.pdf Link otwiera się w nowym oknie
Opis:: Paper discussed important factors affecting handling of ULCS (ultra large container ships) in Port of Gdańsk. In recent years more such vessels had been calling Gdańsk, including new generation of ULCs called Triple-E launched by Maersk. Studies conducted in Maritime University confirmed feasibility of safe handling of such large vessels but pointed to several factors needed to be taken under consideration to provide required safety level for ship handling operations. Author analysed factors responsible for safe handling ULCs in Gdańsk.
W artykule omówiono ważne czynniki wpływające na manewrowanie dużymi kontenerowcami w porcie gdańskim. W ostatnich latach coraz więcej takich statków zawijało do portu w Gdańsku, włączając w to nową generację ultra dużych kontenerowców typu Triple-E, zbudowaną dla firmy Maersk. Badania przeprowadzone na Uniwersytecie Morskim w Gdyni potwierdziły możliwość bezpiecznego manewrowania takimi statkami, ale wskazały na szereg czynników, które powinny być uwzględnione w celu zapewnienia odpowiedniego poziomu bezpieczeństwa operacjom manewrowania statkami. Autorzy przeanalizowali czynniki odpowiedzialne za bezpieczne manewrowanie dużymi kontenerowcami w porcie gdańskim.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Application of an Artificial Neural Network and Multiple Nonlinear Regression to estimate container ship length between perpendiculars
Autorzy:: Cepowski, Tomasz
Chorab, Paweł
Łozowicka, Dorota
Tematy:: ship design
ANN
regression
container ship
length; Pokaż więcej
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Powiązania:: https://bibliotekanauki.pl/articles/1551808.pdf Link otwiera się w nowym oknie
Opis:: Container ship length was estimated using artificial neural networks (ANN), as well as a random search based on Multiple Nonlinear Regression (MNLR). Two alternative equations were developed to estimate the length between perpendiculars based on container number and ship velocity using the aforementioned methods and an up-to-date container ship database. These equations could have practical applications during the preliminary design stage of a container ship. The application of heuristic techniques for the development of a MNLR model by variable and function randomisation leads to the automatic discovery of equation sets. It has been shown that an equation elaborated using this method, based on a random search, is more accurate and has a simpler mathematical form than an equation derived using ANN.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Features of an ultra-large container ship mathematical model adjustment based on the results of sea trials
Autorzy:: Pipchenko, O. D.
Tsymbal, M.
Shevchenko, V.
Tematy:: containerization
container Ship
ultra-large container ship
zig-zag test
container shipping
mathematical model
sea trial test
Nelder-Mead Method; Pokaż więcej
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Powiązania:: https://bibliotekanauki.pl/articles/116848.pdf Link otwiera się w nowym oknie
Opis:: The research addresses the problem of an ultra-large container ship mathematical model adjustment based on sea trials. In order to verify the model’s adequacy, simulated data had to be compared to the trial report data, which was obtained in ballast condition with significant trim. In such circumstances, model coefficients cannot be calculated by known methods and have to be corrected as per trial data. It is proposed to determine translational motion coefficients first. To get optimal results, it was also proposed to divide the objective function into kinematic and dynamic components, with each component being assigned a weighting factor. A separate objective function component was assigned to the zig-zag maneuver, which includes the first and second overshoot angles.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Projektowy wskaźnik efektywności energetycznej EEDI jako narzędzie do oceny efektywności na przykładzie statku do przewozu kontenerów
The energy efficiency design index as a tool to assess efficiency – analysis based on container ships
Autorzy:: Szczepanek, M.
Żmudzki, S.
Tematy:: CO2 emission
EDDI
fuel consumption
container ship; Pokaż więcej
Wydawca:: ADVSEO
Powiązania:: https://bibliotekanauki.pl/articles/134849.pdf Link otwiera się w nowym oknie
Opis:: The International Maritime Organisation (IMO), in particular, dedicated to the prevention to marine pollution by ships, adopted in 2007 the provisions implementing the Energy Efficiency Design Index (EEDI). The EEDI was implemented as an amendment to the MARPOL Annex VI. The index specifies the technical standards and norms imposed on shipyards, which shall be intended to improve the energy efficiency of certain categories of new ships and vessels, consequently leading to the reduction of CO2 emission by around 25-35 percent till 2030. The paper presents the operational factors affecting fuel consumption and energy efficiency indexes of a ship, the algorithm of verification and certification of the EDDI along with exemplary calculations for a container ship.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Research on the application of cold energy of largescale LNG-powered container ships to refrigerated containers
Autorzy:: Li, Yajing
Li, Boyang
Deng, Fang
Yang, Qianqian
Zhang, Baoshou
Tematy:: LNG-powered container ship
LNG cold energy utilization
refrigerated container
cold storage; Pokaż więcej
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Powiązania:: https://bibliotekanauki.pl/articles/2033271.pdf Link otwiera się w nowym oknie
Opis:: With the aim of considering the problem of excess fuel cold energy and excessive power consumption of refrigerated containers on large LNG-powered container ships, a new utilisation method using LNG-fuelled cold energy to cool refrigerated containers in cargo holds is proposed in this study, and the main structure of the cold storage in the method is modelled in three dimensions. Then, combined with the different conditions, 15 different combination schemes of high temperature cold storage and low temperature cold storage are designed to utilise the cold energy of LNG fuel, the exergy efficiency and cold energy utilisation rate calculation model of the system is established. The simulation tool ‘Aspen HYSYS’ is used to simulate and calculate the exergy efficiency and cold energy utilisation rate of the system under 15 combinations, verifying the feasibility of the scheme. According to the characteristics of such a ship’s cross-seasonal navigation routes and the number of refrigerated containers loaded in different ports, the combination schemes of the number of low-temperature cold storage and high-temperature cold storage are selected. Thus, the average exergy efficiency and cold energy utilisation rate of the whole line is obtained, which proves that LNG-powered container ships could effectively utilise the cold energy of LNG. By calculating the total electric energy consumed by refrigerated containers on the whole sailing route, before and after the adoption of the LNG cold energy method, it is found that the adoption of this new method can promote the realisation of energy saving and emission reduction of ships.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Developmental tendencies in container ships reloading technology
Tendencje rozwojowe w technologii przeładunku kontenerowców
Autorzy:: Rosochacki, W.
Tematy:: kontenerowiec
przeładunek
transport morski
container ship
reloading
sea transport; Pokaż więcej
Wydawca:: Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Powiązania:: https://bibliotekanauki.pl/articles/374781.pdf Link otwiera się w nowym oknie
Opis:: The analysis of developmental tendencies in reloading technology for container ships is presented in the paper. Innovative methods are described for typical solutions. The paper indicates factors which can have significant influence on forming modern systems of loading and unloading containers on vessels.
W artykule dokonano analizy tendencji rozwojowych w technologii przeładunku kontenerowców. Na tle typowych rozwiązań przedstawiono podejścia innowacyjne. Wskazano na czynniki, które mogą mieć istotny wpływ na kształtowanie nowoczesnych systemów rozładunku i załadunku kontenerów na jednostki pływające.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Ship Behavior Analysis for Real Operating of Container Ships Using AIS Data
Autorzy:: Gao, X.
Makino, H.
Furusho, M.
Tematy:: Automatic Identification System (AIS)
AIS Data
Container Ship
Real Operating of Container Ships; Pokaż więcej
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Powiązania:: https://bibliotekanauki.pl/articles/116131.pdf Link otwiera się w nowym oknie
Opis:: The aim of this paper is to understand the real activity and operating situation of container ships in order to improve navigation efficiency. The study focused on the navigation for an entire ship voyage to understand the real activity of container ships using the historical ship navigation based on Automatic Identification System (AIS) data, which is possible so as to unveil the characteristics of real ship activity. The analysis considers ship voyages in the Seto Inland Sea and its oceanic waters, which are the primary traffic routes for container transportation particularly for China, Japan, and South Korea. The results of this study can be used to improve the efficiency of container ships and develop a smoother maritime transportation.
Dostawca treści:: Biblioteka Nauki

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na półce

Skocz do pozycji: 8.

Tytuł:: Hydrodynamic multidisciplinary optimization of a container ship and its propeller using comprehensive HPSOP code
Autorzy:: Zakerdoost, H.
Ghassemi, H.
Tematy:: hydrodynamic optimization
marine propeller
container ship
hull resistance
ship industry
open water efficiency; Pokaż więcej
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Powiązania:: https://bibliotekanauki.pl/articles/135637.pdf Link otwiera się w nowym oknie
Opis:: Hydrodynamic shape optimization plays an increasingly important role in the shipping industry. To optimize ship hull and propeller shapes for minimum total (friction+wave) calm-water resistance and maximum open water efficiency, respectively, the main particulars of a hull and propeller model are considered as design variables. The optimization problem is performed by using an integrated hull-propeller system optimization problem (HPSOP) code in a multi-level and multi-point methodology in early-stage ship design. Three numerical methods with variable fidelity are employed to carry out the hydrodynamic performance analysis of a ship’s hull and propeller. A ship and its propeller are selected as initial models to illustrate the effectiveness of the proposed optimization procedure. The numerical results show that the developed technique is efficient and robust for hydrodynamic design problems.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: An estimation of the final price of container ships based on main ship parameters with the use of ndCurveMaster curve fitting software
Autorzy:: Cepowski, Tomasz
Tematy:: kontenerowiec
cena
nośność
regresja
container ship
price
ndCurveMaster
deadweight
regression; Pokaż więcej
Wydawca:: STE GROUP
Powiązania:: https://bibliotekanauki.pl/articles/27315930.pdf Link otwiera się w nowym oknie
Opis:: The paper presents regression formulas that allow us to estimate the final price of new container ships, based on TEU and deadweight capacity, service speed, length between perpendiculars and gross tonnage of container ships built from 2005 to 2015. The formulas were developed using the author’s own method based on curve fitting techniques and regression methods. The study shows that utilising the author’s method to predict the final price could offer greater accuracy solutions than any standard methods presented in literature. This method was implemented properly with ndCurveMaster curve fitting software which was developed by the author and was applied to develop regression equations presented in the article. The formulas presented in the article have practical application for estimation of container ship final price needed in transport studies or preliminary parametric container ship design. These equations refer to the most up to date vessels and offer the chance to advance ship design theory.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: An approximate method for calculating the mean statistical service speed of container ships on a given shipping line and its application in preliminary design
Autorzy:: Szelangiewicz, T.
Żelazny, K.
Tematy:: service speed
shipping lines
preliminary design
container ship
propulsion system
weather conditions; Pokaż więcej
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Powiązania:: https://bibliotekanauki.pl/articles/135192.pdf Link otwiera się w nowym oknie
Opis:: During ship design, service speed is one of the crucial parameters in determining the operational economy of the vessel. As sufficiently exact calculation methods applicable to preliminary design stage are lacking, the so-called contract speed, the speed which a ship reaches in calm water, is usually cited. Żelazny (2015) developed a parametric method for calculating total ship resistance under actual weather conditions (wind, waves, sea current). This paper presents a parametric model of a ship’s propulsion system (screw propeller – propulsion engine) as well as a method, based on both the resistance and propulsion system models, of calculating the mean statistical value of a ship’s service speed under the seasonal weather conditions occurring on shipping lines. The method makes use only of basic design parameters, and may be applied in preliminary design phase of container ships.
Dostawca treści:: Biblioteka Nauki

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