engleski

Aplication of simulation modelling to the ship steam boiler system

The purpose of this paper is to present the efficiency of the application of the system dynamics simulation modelling (System Dynamics Modelling – Jay Forrester – MIT) in investigating the behaviour dynamics of the ship steam boiler. The latter has been taken as an example as it is a complex non-linear system that needs to be investigated systematically, as a whole consisting of a series of sub-systems and elements which are linked by cause-effect (UPV) feedback loops (KPD), both within the system and with the relevant surrounding. The ship steam boiler is presented in POWERSIM simulation language through mental – verbal, structural and mathematical – computer models. In addition to the mathematical model for the marine steam boiler, we have as well presented the mathematical model for the feed water heater that is fitted in the system. These models serve as a basis for qualitative and quantitative simulation models for complex systems. The results presented in the paper have been derived from the scientific research project „ SHIPBOARD ENERGY SYSTEMS, ALTERNATIVE FUEL OILS AND REDUCTION OF POLLUTANTS EMISION“ supported by the Ministry of Science, Education and Sports of the Republic of Croatia.

ship steam boiler ; simulation modelling ; continuous and discrete simulation

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