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EN
This article presents topics concerning fire hazards during the use of low-speed diesel engines in marine vehicles. The causes and effects of fires in the spaces of scavenge air receivers in marine diesel engines are presented. Methods to prevent and fight these fires are shown, including the operating procedures required from ship engine room operators. The possibility of training personnel to apply the abovementioned procedures during operation using simulations of a Kongsberg MC-90 IVship engine room is presented. Simulations were conducted which included a fire in a scavenge air receiver occurring during the operation of a MAN B&W 5L90MC main engine, with loads corresponding to 50% and 100% of the machine’s recommended setting.
EN
The paper presents basic information about the prevention of explosions and fires in marine engines, with particular reference to explosions in the crankcase. It also discusses the possibility of using engine room simulators in educating marine officer engineers to prevent dangerous situations during actual marine diesel operation. Two scenarios have been shown that illustrate the developments in the case of improper operation of main bearings while the operation of an engine safety system is intact and there is lack/override/failure of safety systems. In scenario I the main engine shut down occurs and scenario II simulates an explosion in the crankcase.
PL
Materiał omawia celowość stosowania prądnic wałowych w okrętowych układach napędowych. Dokonano porównania warunków pracy układu podczas pracy w trybie generatorowym i silnikowym. Omówiono podstawowe sposoby sterowania częstotliwością prądu Elektrycznego generowanego przez te układy napędowe. Omówiono pracę silnikową w rozwiązaniu wspomagającym, awaryjnym oraz kombinowanym. Przedstawiono spotykane na statkach morskich konfiguracje elementów układów napędowych z prądnicami wałowymi. Wskazano na przydatność zastosowania symulatorów siłowni okrętowej w procesie nauczania zasad eksploatacji tego typu układów. Omówiono procedury eksploatacyjne oraz wyszczególniono podstawowe parametry techniczne układu napędowego z prądnicą wałową zaimplementowaną w symulatorze siłowni okrętowej Kongsberg Neptune będącym na wyposażeniu Instytutu Eksploatacji Siłowni Okrętowych Akademii Morskiej w Szczecinie.
EN
The paper discusses the purpose of application of shaft generators in marine propulsion systems. A comparison of operation conditions is made between the Power Take Off and Power Take In modes. Basic methods of current frequency control generated by these propulsion systems are discussed. Engine operation in booster, emergency and take me home modes are addressed. Configurations of propulsion systems with shaft generators installed on marine ships are presented. The usefulness of application of engine room simulators to teach operation principles of these systems is indicated. Operation procedures are discussed and basic technical parameters are specified for the propulsion system with a shaft generator implemented in engine room simulator Konsberg Neptune owned by the Institute of Ship Power Plant Operation, Maritime University of Szczecin.
EN
The paper argues for the necessity of a combination MMR methods (questionnaire, interview) and sentiment/opinion techniques to personal satisfaction analysis at the maritime and training education and proposes a generic, but practical research approach for this purpose. The proposed approach concerns the personal satisfaction evaluation of Engine Room simulator systems and combines the speech recording (sentiment/opinion analysis) for measuring emotional user responses with usability testing (SUS tool). The experimental procedure presented here is a primary effort to research the emotion analysis (satisfaction) of the users-students in Engine Room Simulators. Finally, the ultimate goal of this research is to find and test the critical factors that influence the educational practice and user’s satisfaction of Engine Room Simulator Systems and the ability to conduct full-time system control by the marine crew.
EN
The evaluation with the use of neuroscience methods and tools of a student’s satisfaction – happiness from using the e-learning system (e-learning platforms, e-games, simulators) poses an important research subject matter. In the present paper, it is presented a research on course conducted in the Marine Training Centre of Piraeus. In particular, this research with the use of a neuroscience tools-gaze tracker and voice recording (lexical analysis), investigates the amount of satisfaction of the students using Engine room simulator (ERS 5L90MCL11, Kongsberg 2003 AS) and ECDIS system by monitoring the users’ eye movement and speech in combination with the use of qualitative and quantitative methods. The ultimate goal of this research is to find and test the critical factors that influence the educational practice and user satisfaction of e-learning marine systems and the ability to conduct full-time system control by the marine crew.
EN
The paper presents the system of evaluation of education currently in force in Poland. In order to standardize the quality of education in all the courses and in all of the higher education institutions the State Accreditation Committee was founded in the present form in 2002. There were prepared criteria that include the issues associated to assuring the adequate conditions of studying as far as the didactic base is concerned, teaching staff, didactic programmes (included the fulfilling the basic programme minimum), organization of the didactic process, etc. The Maritime University of Gdynia educates and trains the specialist for working at sea. Thus far, the didactic system must meet the requirements not only of the SAC (typic al for a technical university) but also of the STCW convention that imposes adequate requirements as far as the subjects, number of hours, periods and subjects of practical training, etc. is concerned. For the graduates that will work at sea, the problems of meeting criteria of education were presented taking Faculty of Marine Engineering of the Maritime University of Gdynia as an example the, which prepares students in the course of Mechanics and Machine Building and prepares graduates for the work at sea as mechanic officer of merchant marine. The paper presents Medium Speed Engine Room Full Mission Simulator. The simulator has been developed based on cutting-edge solutions currently used in medium-sized, computer controlled engine rooms (one four-stroke type main engine with a reduction gear and controllable pitch propeller). This kind of computer controlled engine room is typically in use on modern container ships.
EN
This paper presents a proposal of classification of the engine room simutators. Its main subject is the relation between proposed simulator types and the learning objectives specified in the STCW International Convention. It was also proved that in some cases the full mission simulator is not the best tool for the specific training tasks. Finally, the problem of simulator compliance with the provisions of STCW International Convention was discussed.
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