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    Wyświetlanie 1-8 z 8
    Tytuł:
    Statistical Analysis of Bulk Carrier Accident from 2011 to 2020
    Autorzy:
    Nwigwe, T.
    Kiyokazu, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2172465.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    bulk carrier accidents
    total loss
    statistical analyse
    safety at sea
    maritime accidents
    casualty rates
    bulk cargo
    Opis:
    The high rates of casualties in bulk carrier shipping have attracted a worldwide concern for safety and regulatory control from numerous governmental and private agencies. Between 2011 and 2020, a total number of 34 bulk carriers’ ships has been identify as total loos, resulting to the death of 128 seafarers. In this study, the statistically analysis of bulk carrier accident occurring from 2011 to 2020, in terms of their frequency, types of accident, locations of incidents and the factors that influence their occurrence has been reviewed. This study will contribute to decision-making and guidance on rational safety resource allocation that will help reduce the high casualty rates in bulk carrier.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 1; 153--157
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of Factors Contributing to the Risks of Cargo Liquefication Accident in Bulk Carriers (A Qualitative Approach)
    Autorzy:
    Nwigwe, T.
    Minami, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2172467.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    bulk carriers
    cargo liquefication
    risk of cargo liquefication
    loading plan
    liquidation problem
    bulk carrier accidents
    assessment of risk
    Opis:
    Liquidation of cargo in bulk carrier has been identifying as a major hazard affecting the bulk carrier shipping and has resulted to several loss of lives. This study assesses the liquidation problem in bulk carrier shipping, it also discusses the mechanisms by which cargo liquefaction occurs in bulk carrier and the factors influencing the risks of occurrence, based on a qualitative approach. Based on the findings and survey, the unsafe storage condition, poor compliance with the testing and certification of cargoes, poor loading plan, have been identify as some of the root casual factors influencing the risk of liquidation problem in bulk carrier. This study will contribute to increasing the awareness and understanding of the problem of cargo liquefaction and will facilitate the development of regulations that reflects the realities of this problem and assist in the development of future recommendations for mitigation plans against the liquidation problem in bulk carrier.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 1; 149--152
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of a static, homogeneous magnetic field on the sorption properties of soybean meal during maritime transport
    Autorzy:
    Ocieczek, A.
    Kaizer, A.
    Otremba, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063955.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    cargo transportation
    magnetic field
    soyabean meal
    maritime transport
    sea transportation
    sorption properties
    brunauer
    bulk cargo
    Opis:
    Providing safety and maintaining high quality of dry cargo, transported by sea, is associated with the necessity of taking into consideration their specific property, which is hygroscopicity. Susceptibility to the impact of water, which also occurs in vapour state, concerns mainly dry cargo, which are organic matter, containing carbohydrates and protein in their composition. This is because these substances have strong connection with water. The example of a bulk cargo often transported by sea is soybean meal, which is mainly produced in the USA, Brazil and Argentina. Due to its economic importance, the quality of soybean meal, which is globally used in the animal nutrition (poultry and swine), remains an important research issue. This product is obtained by subjecting the soybeans to cracking and dehulling processes, in order to facilitate the extraction of the oil. Water absorption of soybean meal causes reactions taking place in it, which leads to the changes in its chemical composition and, consequently, also in its nutritional values. Moreover, increasing the water content, leading to the increase of water activity, may significantly deteriorate the microbiological safety of the meal. Therefore, the research was undertaken to determine whether the sorption properties of soybean meal will change due to the influence of a static, homogeneous magnetic field. This aim has been achieved by determining and comparing the water vapour adsorption isotherms. The comparison of the isotherms determined under normal conditions and under the influence of a static, homogeneous magnetic field with an induction of 10 mT has been made on the basis of empirical data. Furthermore, using the Brunauer, Emett and Teller equation (BET), the monolayer and the energy constant of the sorption process have been estimated. The isotherms were determined at 20°C. The study lasted 9 days. Desiccators with aqueous supersaturated solutions of substances and a generator of a static magnetic field were used in the research. The obtained results have indicated that the influence of the magnetic field is a factor that causes the differentiation between the sorption properties of soybean meal expressed in the volume of the monolayer and the energy associated with the sorption phenomenon. The inferred findings show, that the magnetic field has an impact on the course of the sorption phenomenon in organic samples, and may determine the stability of the cargo during long-term maritime transport.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 649--657
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Risk assessment while maneuvering a loaded bulk carrier in close proximity to a vessel performing underwater work
    Autorzy:
    Rutkowski, G.
    Bożek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201445.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    risk of collision
    underwater work
    human error
    risk assessment
    incident investigation
    root causes
    maneuvering bulk carrier
    diving operation
    Opis:
    This article focuses on issues related to risk assessment when maneuvering a loaded bulk carrier in close proximity to a vessel performing underwater work at the time. It is based on a detailed analysis of an incident that took place in the Gulf of Gdansk. The write-up explains real turns of events, conditions and factors that contributed to the incident, but also its consequences are explained. Some other aspects of this article focuses on, are the processes of examination of the direct causes of the incident and identification not compliance with regulations, requirements, or procedures that help to find out the human, technical, and organizational errors. The authors of this text indicate the safety guards that have failed, give the reasons for their failure and, where it was possible, point out the safety guards that should or must be established. The article does not take into account theoretical models for the described accidents, but only practical aspects, human errors and applicable local and international laws and regulations. Particular attention was devoted to the analysis of human errors made by officers maneuvering the surface vessel in the close vicinity of divers performing underwater works.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 1; 77--83
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Determination of Inertia Forces Acting on Break Bulk Cargo en Route
    Autorzy:
    Chepok, A. O.
    Powiązania:
    https://bibliotekanauki.pl/articles/116921.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Ship Stability
    Hydrodynamics
    Angle of Heel, Angle of Pitch
    Amplitude of Heave
    Inertia Forces
    Break Bulk Cargo
    Parameters of Oscillations
    Opis:
    The paper presents the analytical method of defining inertia forces that act on break bulk cargo as a result of the oscillatory motion of the vessel exposed to the effect of ambient forces. Considering that the linear models of roll, pitch and heave applicable in this case, the problem is solved by expressing the angle of heel, the angle of pitch, and the amplitude of heave. The obtained functions are differentiated and the inertia forces are determined by means of applying the Newton's second law.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 4; 477-479
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of effect of pillars position on longitudinal strength in perintis ship structure type 1200 GT
    Autorzy:
    Yudo, H.
    Abdillah, H. Z.
    Zakki, A. F.
    Powiązania:
    https://bibliotekanauki.pl/articles/2211983.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    cargo liquefication
    cargo liquefication accident, bulk carriers
    risk of cargo liquefication
    sea transportation
    biro klasifikasi Indonesia
    marine accidents
    longitudinal strength
    Opis:
    Perintis ships are sea transportation highly relied upon by the people in remote, frontier, underdeveloped, and border islands, considering the absence of other types of vehicle operating in the area. Perintis Ships can carry up to 500 people and connect islands categorized as 3TP with larger ports. This ship will be analyzed in longitudinal strength with variations in pillar positions. The analysis results will be compared, and whether the research results allowed the BKI regulatory standards. The maximum stress value produced by the variation without pillars is 21.76 N/m2 in calm water conditions, 41.19 MPa in sagging conditions, and 10.67 MPa in hogging conditions. The variation of the pillars on the side is 21.95 MPa in calm water, 41.54 MPa in sagging conditions, and 10.76 MPa in hogging Conditions. The variation of the pillar in the middle obtained maximum stress 21.96 MPa in calm water conditions, 41.55 MPa in sagging conditions, and 10.77 MPa in hogging conditions. Of all the variations, it has met the criteria of the BKI regulations, where the allowable stress is not to exceed 140.14 MPa. From the analysis that has been done, it can be concluded that the position of the pillar laying does not significantly affect the longitudinal strength of the ship.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 3; 563--571
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A comparison study between advance transfer technique and advance transfer mathematical model using bulk carrier ship: cross-track distance validation by percentage change and mann whitney u test
    Autorzy:
    Kamis, A. S.
    Ahmad Fuad, A. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2211981.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    bulk carriers
    coss-track distance
    ECDIS
    wheel over point
    advanced transfer technique
    advance transfer mathematical model
    wilcoxon-mann whitney u tes
    IBM SPSS
    Opis:
    One of the methods of efficient course alteration is through the accurate identification of the WOP by ATT. ATT is widely used by mariners worldwide, and recently, the technique has been restructured and enhanced into ATMM. To prove the efficacy of ATMM over ATT, a few types of ships have been used to carry out the manoeuvring analysis. This study extends the analysis by using a bulk carrier ship. A ship simulator was used for a manoeuvring simulation study, which was carried out to verify the differences between these two methods. Throughout the manoeuvring simulation study, XTD data for each simulation was monitored and verified by XTL compliance, percentage variation, and the Wilcoxon-Mann Whitney U Test via IBM SPSS. It was found that the ATMM can produce a significantly improved WOP compared to ATT and is suitable to be used onboard a bulk carrier ship. This research's finding is expected to contribute as evidence to strengthen ATMM's efficiency so that it can be accepted as an ECDIS algorithm for ship navigation.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 3; 541--551
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sea transportation of some agriculture products liable to self-heating
    Autorzy:
    Popek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/117371.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    safety of sea transportation
    sea transportation
    agriculture products
    self-heating
    Palm Kernel Shells (PKS)
    IMSBC Code
    MHB Cargo
    Materials Hazardous only in Bulk (MHB)
    Opis:
    Propensity of cargoes to self-heating is determined by many factors which can be divided into two main types - properties of the cargo and environment/storage conditions. Some agricultural products are susceptible to self-heating which can cause many serious problems during handling, storage and sea transportation of such commodities. Palm kernel shells (PKS) have been shipped in bulk since 2007 but they are not a currently listed cargo in the IMSBC. PKS are a natural by-product of palm oil processing and differ materially from the palm kernel expellers currently regulated by the IMSBC Code. However, their specific characteristics and negative external influences may cause them to behave like a substance from Class 4.2 (Substances liable to spontaneous combustion) or MHB cargo. Due to the importance of spontaneous combustion, particularly with respect to the storage and sea transportation of PKS, an investigation has been conducted.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 159-163
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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