2008
EMSS 2008 Proceeding
Modeling of marine systems and processes aimed at optimal ship handling
Authors: Enco Tireli, Josko Dvornik, Srdan Dvornik
Abstract
The aim of this paper is to demonstrate the successfulapplication of system dynamic simulation modelling atinvestigating performance dynamics of the marinesteam turbine in load conditions, in the example of loadof marine synchronous generator. Marine steam turbineat the load of synchronous generator is a complex nonlinearsystem, which needs to be systematicallyinvestigated as a unit consisting of a number ofsubsystems and elements, which are linked by causeeffect(UPV) feedback loops (KPD), both within thepropulsion system and with the relevant surrounding.Marine steam turbine will be presented by a set of nonlineardifferential equations, after which mental-verbalstructural models and flowcharts in System dynamicssymbols [1 and 2] will be produced, and theperformance dynamics in load condition will besimulated in DYNAMO simulation language.The results presented in the paper have been derivedfrom the scientific research project â??SHIPBOARDENERGY SYSTEMS,ALTERNATIVE FUEL OILS AND REDUCTION OFPOLLUTANTS EMISIONâ?? supported by the Ministry ofScience, Education and Sports of the Republic ofCroatia.
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