A progressive advancement in marine transportation is just taking place based upon an increased demand for high speed light crafts with narrow hull design forms. Primary consid-erations for the propulsion system is performance, weight and reliability. Gas turbines has therefore been considered as a potential option for such applications. This has also brought forward a need for quantitatively evaluation of the propulsion systems operating conditions. To perform such evaluations mathematical models must be available. A set of basic models for gas turbine system modeling is developed using the bond graph method as a framework for both model representation and as the unifying modeling methodology. Utilizing the component models developed a complete gas turbine propulsion system is simulated during large transient loads resulting from air entrainment in the propulsor at heavy sea. The objective is to study the behav-ior and thermal loading on the turbine under such condi-tions.
Modelling gas turbine systems for transient performance using bond graphs
Modellbildung des transienten Verhaltens eines Gasturbinen-Schiffantriebes mittels Bond-Graph
2001
7 Seiten, 11 Bilder, 1 Tabelle, 13 Quellen
Conference paper
English
BOND GRAPHS AS A SIMULATION MODELLING FORMALISM
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