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    Wyświetlanie 1-14 z 14
    Tytuł:
    Analysis of hull resistance of pushed barges in shallow water
    Autorzy:
    Tabaczek, T.
    Kulczyk, J.
    Zawiślak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/260352.pdf
    Data publikacji:
    2007
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    inland waterways ship
    hull resistance
    Opis:
    These authors performed a set of numerical calculations of water flow around pushed barges differing to each other by bow forms. The calculations were executed by means of FLUENT computer software. Turbulent free-surface flow of viscous liquid was considered. In this paper the calculated values of barge hull resistance split into bow, cylindrical and stern part components, have been compared and presented.
    Źródło:
    Polish Maritime Research; 2007, 1; 10-15
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A model of occurrence of the situations endangering inland waterways passenger ships and the environment
    Autorzy:
    Girtler, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/260408.pdf
    Data publikacji:
    2006
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    inland waterways ship
    prediction of failure probability
    availability indices of ship devices
    Opis:
    In this paper a four-state semi-Markov model of occurrence of the situations endangering inland waterways passenger ships, is presented. The model was elaborated in the form of the semi - Markov process, values of which are kinds of the states interpreted as the following situations : normal, complicated, hazardous and emergency. An example of realization of the process of changing the situations possible to occur during trips of inland waterways passenger ships, is presented. Also, formulae are attached, which make it possible to determine probabilities of occurrence of the mentioned situations during ship trips. The formulae were interpreted as safety measures of operation of inland waterways ship. Possibility of performing statistical investigations which could provide data for determining the mentioned probabilities was also stated.
    Źródło:
    Polish Maritime Research; 2006, S 2; 38-42
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Two design concepts of power plant for an inland waterways passenger ship intended for operating on BERLIN – KALININGRAD route
    Autorzy:
    Bocheński, D.
    Rudnicki, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/260447.pdf
    Data publikacji:
    2006
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    inland waterways passenger ship
    ship power plant
    ship propulsion systems
    Opis:
    This paper presents two most probable design solutions of power plant for a two-segment passenger ship intended for operating on inland waterways of Poland, Germany and Russia. Preliminary designs of the main power plant to be installed on the pusher are presented, as well as requirements for the auxiliary power plant to be placed on the barge are outlined.
    Źródło:
    Polish Maritime Research; 2006, S 2; 52-56
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Economical analysis of selected variants of power plant for inland waterways passenger ship intended for operating on Berlin - Kaliningrad route
    Autorzy:
    Bocheński, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/260439.pdf
    Data publikacji:
    2006
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    inland waterways passenger ship
    ship power plant
    ship propulsion systems
    Opis:
    This paper contains an economical analysis of three selected variants of power plant for inland waterways passenger ship intended for operating on Berlin-Kaliningrad route. Purchase cost of elements of the ship’s energy system and fuel consumption cost were assumed as the assessment criterion for the analyzed variants of the ship’s power plant. The economical indices : Average Annual Cost (AAC) and Net Present Value (NPV) were taken into consideration.
    Źródło:
    Polish Maritime Research; 2006, S 2; 47-51
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of selected parametric methods for prediction of inland waterways ship hull resistance in towing tank test
    Autorzy:
    Karczewski, A.
    Kozak, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/259275.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    ship resistance
    inland waterways
    Opis:
    In the paper selected approximate methods for calculation of inland waterways ship resistance and their verification by towing tests, compared on the example of a small urban ferry, are presented. The test results are made for both the bare hull and the hull with appendages (skeg, azimuthal propeller). Significant differences between results of the theoretical methods and experimental ones, especially in the case of the model with skegs and propulsion, are pointed out. The purposefulness of using several parametric methods and the use of average results at the preliminary design stage were also discussed.
    Źródło:
    Polish Maritime Research; 2018, S 1; 63-67
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methods of calculating ship resistance on limited waterways
    Autorzy:
    Skupień, E.
    Prokopowicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/259720.pdf
    Data publikacji:
    2014
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    ship resistance
    inland waterways
    regression analysis
    Opis:
    Nowadays predicting transportation costs is more and more important. Most significant part of inland navigation’s costs are the costs of fuel. Fuel consumption is related to operating conditions of ship’s propulsion system and its resistance. On inland waterways the ship resistance is strictly related to the depth of the waterway. There is a tendency to build a formula that allows its user to calculate the resistance of any inland waterway vessel, but researches claim that most of them are accurate only for particular types of ships and/or operating conditions. The paper presents selected methods of calculating ship resistance on inland waterways. These methods are examined for different types of ships and different conditions using results of model tests. The performed comparison enabled selecting the best option for pushboats and pushed barge trains, but also showed that any of the tested methods is good enough to be used for calculating the resistance of motor cargo vessels. For this reason, based on known equations and using the regression method, the authors have formulated a new method to calculate the resistance of motor cargo vessels on limited waterway. The method makes use of ship’s geometry and depth of waterway in relation to ship’s speed. Correlating the ship’s speed with its resistance and going further with fuel consumption, enables to calculate the costs of voyage depending on the delivery time. The comparison of the methods shows that the new equation provides good accuracy in all examined speed ranges and all examined waterway depths.
    Źródło:
    Polish Maritime Research; 2014, 4; 12-17
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A parametric method for preliminary determining of mass characteristics of inland navigation ships
    Autorzy:
    Michalski, J. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/259549.pdf
    Data publikacji:
    2005
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    Inland waterways vessels
    ship preliminary design methods
    Opis:
    This paper presents a method for estimation of mass characteristics of vessels, elaborated with the use of an algorithm based on requirements of the Rules for the Classification and Construction of Inland Waterways Vessels of Polish Register of Shipping, and on a simplified method [6] for determination of mass of hull plating stiff"eners. The dimensioning method of hull structure scantlings based on this algorithm concerns classical vessels intended for the carrying of general cargo, dry and liquid bulk cargoes, which determine the range of the method application. The method does not cover vessels of different construction, e.g. roll-on-roll-off type vessels equipped with heavy decks, as the dimensioning of their scantlings is based on different relationships and models.
    Źródło:
    Polish Maritime Research; 2005, 3; 9-14
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A design concept of ecological tourist – passenger ship intended for Berlin-Królewiec (Kaliningrad) inland waterway service
    Autorzy:
    Hołówko, W.
    Michalski, J. P.
    Rosochowicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/260504.pdf
    Data publikacji:
    2006
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    ship designing
    inland waterways ships
    passenger ships
    Opis:
    This paper presents a design concept of a novel passenger segment ship intended for navigating on Berlin- -Królewiec (Kaliningrad) inland waterway route, characteristic of application novel structural materials and engineering processes which make it possible to design structures in an innovative way and provide high operational merits for inland waterways ship. Conceptual, functional and technical assumptions for the designed ship as well as its service program was described. Exceptional features of the designed ship are : the general architectural concept which makes the ship free passing under small-clearance bridges and navigating in narrow and shallow waterways, possible, manufacturing technology of its hull structure made of „sandwich” panels as well as its combustion-electric engine (or combustion-hydraulic engine) propulsion system working on alternative ecological gas fuels.
    Źródło:
    Polish Maritime Research; 2006, S 2; 5-9
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A method for selection of parameters of ship propulsion system fitted with compromise screw propeller
    Autorzy:
    Michalski, J. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/260378.pdf
    Data publikacji:
    2007
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    design of inland waterways ships
    ship propellers
    ship propulsion
    Opis:
    This paper concerns an algorithmic method for preliminary selection of parameters of ship propulsion system fitted with fixed screw propeller in the case when the ship’s operation is associated with significant changes of waterway depth and width, hull resistance of the ship and its service speed. Mathematical model arguments of the considered design problem are main ship design parameters identified in the preliminary design stage. Structure of the formulated model complies with formal requirements for continuous- discrete mathematical optimization problems. The presented examples of application of the method concern an inland waterways ship fitted with compromise screw propeller optimized in the sense of minimization of fuel consumption for passing a given route distance within a given time. The elaborated method may be especially useful in designing such ships as : coasters, inland waterways ships, tugs, pushers, trawlers, mine sweepers, icebreakers etc.
    Źródło:
    Polish Maritime Research; 2007, 4; 3-9
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The concepts of inland passenger transport in the Oder river basin
    Autorzy:
    Kaup, Magdalena
    Łozowicka, Dorota
    Powiązania:
    https://bibliotekanauki.pl/articles/27315963.pdf
    Data publikacji:
    2018
    Wydawca:
    STE GROUP
    Tematy:
    żegluga śródlądowa
    statek pasażerski
    transport
    inland shipping
    passenger ship
    inland waterways
    Opis:
    This article presents the concepts of inland passenger transport: tourist and cruise in the basin of the Oder river. The first part describes the operating and technical parameters of the Oder and the present trends and directions in the development of inland waterway passenger services. Another part of the article contains an analysis of the results of the surveys carried out among respondents living in agglomerations lying on the Oder River. These studies have enabled the creation of two passenger transport concepts that enhance the competitiveness and attractiveness of inland waterway transport with respect to other modes of transport.
    Źródło:
    New Trends in Production Engineering; 2018, 1, 1; 349-356
    2545-2843
    Pojawia się w:
    New Trends in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bank effect and operation of inland waterways vessels
    Autorzy:
    Kobyliński, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/359620.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    inland waterways shipping
    bank effect
    ship manoeuvrability
    training in ship handling
    Opis:
    Inland waterways vessels operate in waters of restricted depth and restricted width with cross-section of the waterway of different profile. These conditions affect hydrodynamic forces acting on the vessel and in consequence they affect their operation. There are several hydrodynamic effects present in inland waterways. Restricted depth and cross-section of the canal or river affects resistance of the vessel and hydrodynamic characteristics of the propeller and in consequence propulsive efficiency. Another effect is caused by modification of pressure distribution around vessel body resulting in change of draft, so called squat. Finally in narrow fairway lateral forces on the vessel are created and in case of non-symmetrical position of the vessel, those forces are also non-symmetric and causing that the vessel is pushed to one side. This affects safe handling of the vessel and requires understanding and skill of operator. This problem is discussed in the paper.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2014, 37 (109); 50-55
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Concept of barge hull structure made of extruded aluminium panels
    Autorzy:
    Bogdaniuk, M.
    Górecki, Z.
    Łukowski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/260354.pdf
    Data publikacji:
    2006
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    inland waterways ships
    ship hull strength
    structures composed of aluminium panels
    Opis:
    A design of the hotel barge of 52 m overall length and 9 m breadth , intended for inland waterway shipping on the route from Berlin to Kaliningrad, is presented. Hull of the barge is characterized by a unique structure consisted of densely stiffened aluminium panels of 4.5 mm plate thickness and 70 mm depth of stiffeners, supported by transverse walls or girders. The stiffeners of the panels are longitudinally directed. Also, are described problems associated with assurance of adequate strength and stiffness of such structure, resulting from a limited maximum depth of the barge.
    Źródło:
    Polish Maritime Research; 2006, S 2; 88-90
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A method of predicting main propulsion power for inland waterways push trains
    Autorzy:
    Michalski, J. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/260437.pdf
    Data publikacji:
    2006
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    inland waterways ships
    ship design
    brake horse power of push trains
    Opis:
    This paper presents a method of predicting effective power demand (brake horse power – B.H.P.) for propulsion of inland waterways push train, useful in the preliminary design stages. By using it, on the basis of known main particulars of a given push train, i.e. its length, breadth, draught and speed, a generalized Admiralty formula can be determined and then the pusher propulsion power can be preliminarily predicted by making use of the elaborated structure of the formula. Application of the method is illustrated on the example of a two-segment push train of inland waterways passenger ship designed in the frame of the Eureka INCOWATRANS E!3065 project.
    Źródło:
    Polish Maritime Research; 2006, S 2; 43-46
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analiza porównawcza metod wyznaczania szerokości pasa ruchu statku śródlądowego na odcinku prostoliniowym
    The comapartive analysis of methods for determining the lane width of inland vessel in the straight section
    Autorzy:
    Orymowska, J.
    Sobkowicz, P.
    Ślączka, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/253502.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Naukowo-Wydawniczy TTS
    Tematy:
    metoda PIANC
    śródlądowe drogi wodne
    odcinek prostoliniowy
    statek śródlądowy
    szerokość pasa ruchu
    PIANC method
    inland waterways
    Inland ship
    lane width
    Opis:
    W artykule przedstawiono analizę dwóch metod analitycznych określania szerokości pasa ruchu jednostki śródlądowej na odcinku prostoliniowym – metody PIANC oraz metody przedstawionej w Canadian Channel Designe Guidelines. Do obliczeń wybrano odcinek dolnej Odry pomiędzy mostem drogowym w Gryfinie oraz mostem autostradą A6 w Radziszewie. Dokonano charakterystyki akwenu oraz wybrano statek maksymalny, dla którego zostały wykonane obliczenia szerokości pasa ruchu.
    The Article presents an analysis of two analytical methods for determining inland unit traffic lane width. For the calculation has been selected down part of Odra River – between the bridge in Gryfino and bridge – motorway in Radziszewo. There was made a characteristics of chosen area and determined the maximum vessel for which the calculation has been made.
    Źródło:
    TTS Technika Transportu Szynowego; 2015, 12; 1166-1170, CD
    1232-3829
    2543-5728
    Pojawia się w:
    TTS Technika Transportu Szynowego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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