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Influence of multiple degrading components on fuel cell gas turbine hybrid systems lifetime
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi. (Future Energy Center)ORCID-id: 0000-0001-6101-2863
University of Genoa, Italy.
University of Genoa, Italy.
2018 (engelsk)Inngår i: Proceedings of GPPS Forum 18 Global Power and Propulsion Society Zurich, 10th-12th January 2018, 2018Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Energy system reliability and operational cost depend highly on the performance degradation experienced by system components. In complex systems, degradation of each single component affects matching and interactions of different system parts. Gas turbine fuel cell hybrid systems combine two different technologies to produce power with an extremely high conversion efficiency. Severe performance decay over time currently limits high temperature fuel cells lifetime; although at a different rate, gas turbine engines also experience gradual deterioration phenomena such as erosion, corrosion, and creep. This work aims at evaluating, for the first time, the complex performance interaction between degrading components in a hybrid system. The effect of deterioration in gas turbine pressure ratio and efficiency on fuel cell performance was analyzed, and at the same time, the impact of the degrading fuel cell thermal output on turbine blade aging was modeled to estimate a remaining useful lifetime.

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2018.
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-41515OAI: oai:DiVA.org:mdh-41515DiVA, id: diva2:1268720
Konferanse
Global power and propulsion society forum 2018
Tilgjengelig fra: 2018-12-06 Laget: 2018-12-06 Sist oppdatert: 2018-12-06bibliografisk kontrollert

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