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1
PL
Artykuł przedstawia przykład zastosowania nowej generacji symulatora siłowni okrętowej z zastosowaniem wizualizacji trójwymiarowej, opartego na nowoczesnej, komputerowo sterowanej siłowni statku typu kontenerowiec z silnikiem głównym średnioobrotowym. Symulator typu MED3D, opisany w artykule, jest przykładem nowego rozwiązania nawigacji poprzez różne elementy siłowni, umożliwiającej łatwą i szybką realizację podstawowych czynności obsługowych (otwieranie/zamykanie zaworów, ustalanie pozycji przełączników, przycisków itp.). W symulatorze tym wykorzystano najnowsze rozwiązania wizualizacji trójwymiarowej połączonej z techniką zbliżeniową. Symulator typu MED3D zawiera również połączenie wizualizacji trójwymiarowej z dwuwymiarową prezentacją schematów instalacji siłowni. Połączenie to umożliwia zrozumienie funkcjonowania poszczególnych elementów siłowni i ich całościowej struktury. Głównym celem stosowania wizualizacji trójwymiarowej jest maksymalnie zbliżenie symulowanych urządzeń okrętowych do rzeczywistego obiektu.
EN
The paper describes an example of application of new generation of engine room simulators with 3D visualization, based on modern - computer controlled engine room with medium speed main engine, applied on a container ship. The MED3D simulator, described in the paper provides for a new approach to navigation through the different system's elements, allowing for an easy and quick access to basic engine room operation (valve opening/closing, setting position of switches, pushbuttons etc.). This has been possible due the application of state-of-the art 3D visualisation with zoom techniques. The MED3D simulator includes also a combination of 3D and 2D diagram presentation, which enables to follow how a certain device really functions and gives a complete picture of its structure. Their aim is to provide a 3D visualization of marine machinery simulation as close as possible to reality.
EN
It is well established that one of the major factors of accident prevention on board is the perfect theoretical and practical knowledge possessed by engine room officers while operating engines and auxiliary equipment. This paper describes the latest developments in 3D computer simulation applications, designated for the familiarization with marine machinery, specially taking into account the emergency operating procedures training. The experiences in 3D computer simulation application, the benefits and advantages of use of computer simulation in educational process of engine room officers in the Gdynia Maritime University are equally presented in this paper. This paper describes an example of application of new 3D simulation techniques in engine room simulator based on modern - computer controlled engine room with low speed main engine MAN Diesel LMC type, applied on a container ship, where trainees have possibilities to develop operational skills, update their know-how and refresh emergency procedures. This installation plays a vital role in the safety on board. Thus, it is of extreme importance that trainees acquire the capacity to react in a prompt and effective manner to emergency situations. This new 3D simulation technique specially emphasizes the relation between simulation and realism of machinery operation. The simulator described in the paper provides for a new approach to navigation through the different system’s elements, allowing for an easy and quick access to basic engine room operation (valve opening/closing, setting position of switches, push-buttons etc.). This has been possible due the application of state-of-the art 3D visualisation with zoom techniques. The basic tasks for computer simulation in maritime education are equally described, taking into consideration the new methods and emergency procedures training. This papers’ conclusion is that the use of 3D computer simulation in maritime education results in increased emergency preparedness and in consequence, leads to hazard mitigation and reduces the risk of human error in the operation and maintenance of marine equipment.
EN
Nowadays, tremendous changes are taking place in computing, information technology and simulation. Maritime education and training is not isolated from such changes and ought to benefit from these tendencies, specially taking into account the possible improvements for safety of ship operation. The present development of personal computers, modern processors and graphical cards allows for an easy application of 3D simulation techniques and for this reason manufacturers of engine room simulators begin to apply tri-dimensional graphical system’s layout presentation. Their aim is to provide machinery simulation as close as possible to reality. As a result, following the training, trainees are far better prepared to deal with real life operation of machinery. The experiences in the application of virtual visualisation, the benefits and advantages of the use of engine room simulators in the educational process of engine room officers are equally presented in this paper. This paper describes an example of application of new generation of engine room simulators with 3D visualization, based on modern - computer controlled engine room with medium speed main engine, applied on a container ship. The simulator described in the paper provides for a new approach to navigation through the different system’s elements, allowing for an easy and quick access to basic engine room operation (valve opening/closing, setting position of switches, push-buttons etc.). This has been possible due the application of state-of-the art 3D visualisation with zoom techniques.
4
Content available remote Zastosowanie komputerowych programów symulacyjnych w eksploatacji maszyn.
PL
Jedną z najczęściej występujących przyczyn awarii w eksploatacji maszyn jest ich niewłaściwa obsługa przez operatora. Niezmiernie ważną rolę w przygotowaniu operatora maszyny do jej właściwej i bezpiecznej eksploatacji odgrywa właściwie opracowana instrukcja obsługi. W praktyce instrukcje te są bardzo obszerne, mało czytelne i używane przez operatora najczęściej w przypadku zaistnienia problemu eksploatacyjnego a nie przed jego wystąpieniem. Rozwój komputerów osobistych oraz szeroka dostępność programów do tworzenia programów symulacyjnych powoduje, że producenci maszyn w trosce o właściwą ich eksploatację, zaczynają coraz częściej uzupełniać klasyczne instrukcje obsługi w formie drukowanej o komputerowe programy symulacyjne. W artykule przedstawiono, wykonane pod kierunkiem autora, dwa przykłady komputerowych programów symulacyjnych dotyczących modułów przygotowujących paliwo do spalania w okrętowych silnikach wysokoprężnych. Programy te zostały wykonane na zlecenie i w ścisłej współpracy z producentem tych urządzeń, firmą Alfa Laval ze Szwecji. Omówiono poszczególne elementy tego typu programów, ze szczególnym uwzględnieniem programu symulacyjnego wykonanego w technice trójwymiarowej.
EN
Most often, machinery failures are caused by inadequate maintenance by their operators. Properly designed and drafted operating instructions play an enormous role in the preparation of the operator for adequate and safe machinery operation. In practice, the operating instructions are often very long and complex and are used by the operator only in the event a problem arises and not beforehand. As a result of the evolution of PC's and the broad availability of software intended for creation of simulation programs, machinery manufacturers are presently supplementing typical printed operating instructions with computer based simulation programs in order to improve the way their products are operated by their users. This article presents two typical examples of computer based simulation programs elaborated under the author's direction, in relation to the modules preparing the fuel for combustion in marine diesel engines. These programs have been commissioned and prepared in close co-operation with the company Alfa Laval from Sweden. Individual elements of this type of programs have been described in the article, with particular emphasis on the three dimensional simulation techniques.
EN
In the paper the application of three calculation methods for approximation of engine combustion pressure curves and their 1st and 2nd derivatives on the basis of discrete data obtained from an electronic indicator, was presented and discussed by using example calculations. In the considered cases all the three methods practically ensured adequate approximation accuracy at nodes.
6
Content available remote The role of Computer Based Training for marine engineers
EN
This paper describes the latest developments in applications of Computer Based Training-interactive programs (CBT) for the familiarization with marine machinery, specially taking into account the safety aspects. The experience of Gdynia Maritime Academy in CBT applications, as well as benefits and advantages of the use of interactive programs in the educational process of marine officers are also presented. The paper includes an example of CBT interactive program concerning steering gear instsllation and controllable pitch propeller plant. Also, the basic tasks for CBT interactive programs in maritime education, based on the new methods and procedures for accident prevention, are described. In the two programs the newest graphic presentation techniques were applied. Finally it is concluded that the use of CBT interactive programs in maritime education results in increasing emergency preparedness and reduction of possible human errors in the operation and maintenance of marine equipment.
EN
The subject matter of this paper is the presentation of an innovwtive method of indirect crankshaft positioning of a marine Diesel engine. This method enables to determine the angular scale on the open indicator diagram as well as piston TDC (Top Dead Centre). This method is realized through cylinder pressure measurement in relation to time. Subsequently, the combustion curve is analysed and the specific points named reference points are determined on this curve.
EN
This paper describes new developments in application of CBT interactive programs intended for familarization with indyvidual equipment devices such as boilers, fresh water generators, steering gear, anti-pollution plants, diesel electric generators etc. Experience gained in CBT applications, benefits and advantages of the use of interactive programs in the education process of ship's engineers are also presented.
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