Experimental characterization of an anode-supported tubular SOFC generator fueled with hydrogen, including a principal component analysis and a multi-linear regression |
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Authors: | G. Santori E. BrunettiF. Polonara |
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Affiliation: | a Università degli Studi e-Campus, Via Isimbardi 10, 22060 Novedrate (CO), Italy b Università Politecnica delle Marche, Facoltà di Ingegneria, Dipartimento di Energetica, Via Brecce Bianche, Monte Dago, 60131 Ancona, Italy |
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Abstract: | Solid oxide fuel cell (SOFC) power generators can now be commercialized as heat and power micro-cogenerator. Few well-documented field tests have been conducted to date on these units’ tubular cell architecture, however, and little has been done to derive general rules for a thorough understanding of these units’ operation. The present work focuses on characterizing the hydrogen-powered Acumentrics Gen521 (rated 2.5 kW) under various stable conditions. A test rig was installed at the Dipartimento di Energetica of the Università Politecnica delle Marche (Ancona, Italy) to ascertain the main characteristic curves of the Acumentrics Gen521. A multivariate data analysis was performed on the experimental data collected to establish the operating parameters most influential for the stack voltage (SV) and the DC stack output power generated in different working conditions. Some multi-linear response surfaces are suggested for predicting the SV and the DC power in different operating conditions. |
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Keywords: | SOFC Experimental test Tubular fuel cells Power generation Performance analysis Linear regression |
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