Design and experimental validation of fuel recirculation solid oxide fuel cell system using Ejector

An ejector-driven fuel recirculation system was designed for 1kW-class solid oxide fuel cell (SOFC), and the power generation experiments were carried out to validate the design procedure and to investigate the fuel recirculation SOFC of the stack performance. An ejector was designed and manufacture...

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Main Authors: Nariyoshi KOBAYASHI, Sanyo TAKAHASHI, Soumei BABA, Fumio TAKEMURA, Kenji YAMAGA
Format: Article
Language:Japanese
Published: The Japan Society of Mechanical Engineers 2016-03-01
Series:Nihon Kikai Gakkai ronbunshu
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/transjsme/82/836/82_15-00182/_pdf/-char/en
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author Nariyoshi KOBAYASHI
Sanyo TAKAHASHI
Soumei BABA
Fumio TAKEMURA
Kenji YAMAGA
author_facet Nariyoshi KOBAYASHI
Sanyo TAKAHASHI
Soumei BABA
Fumio TAKEMURA
Kenji YAMAGA
author_sort Nariyoshi KOBAYASHI
collection DOAJ
description An ejector-driven fuel recirculation system was designed for 1kW-class solid oxide fuel cell (SOFC), and the power generation experiments were carried out to validate the design procedure and to investigate the fuel recirculation SOFC of the stack performance. An ejector was designed and manufactured taking into account the pressure loss along the anodic loop and the condition of the carbon deposit. The variable mechanism of fuel flow passage in the ejector nozzle enabled to adjust the recirculation ratio of the anode off-gas under constant fuel flow rate. The recirculation ratios were determined from both gas analysis method and the measurement of pressure drop along the anodic loop. The power generation experiments at variable recirculation ratios verify the validity of the design method proposed for the ejector-driven fuel recirculation system in this paper and that the recirculation ratio has not affected the performance of the SOFC stack under the experimental conditions in this paper.
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publisher The Japan Society of Mechanical Engineers
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spelling doaj.art-0f8a963751bf45cbb86baee29b2869d82022-12-22T04:35:16ZjpnThe Japan Society of Mechanical EngineersNihon Kikai Gakkai ronbunshu2187-97612016-03-018283615-0018215-0018210.1299/transjsme.15-00182transjsmeDesign and experimental validation of fuel recirculation solid oxide fuel cell system using EjectorNariyoshi KOBAYASHI0Sanyo TAKAHASHI1Soumei BABA2Fumio TAKEMURA3Kenji YAMAGA4National Institute of Advanced Industrial Science And Technology, Energy Technology Research InstituteNational Institute of Advanced Industrial Science And Technology, Energy Technology Research InstituteNational Institute of Advanced Industrial Science And Technology, Energy Technology Research InstituteNational Institute of Advanced Industrial Science And Technology, Energy Technology Research InstituteHitachi, Ltd. Hitachi Research LaboratoryAn ejector-driven fuel recirculation system was designed for 1kW-class solid oxide fuel cell (SOFC), and the power generation experiments were carried out to validate the design procedure and to investigate the fuel recirculation SOFC of the stack performance. An ejector was designed and manufactured taking into account the pressure loss along the anodic loop and the condition of the carbon deposit. The variable mechanism of fuel flow passage in the ejector nozzle enabled to adjust the recirculation ratio of the anode off-gas under constant fuel flow rate. The recirculation ratios were determined from both gas analysis method and the measurement of pressure drop along the anodic loop. The power generation experiments at variable recirculation ratios verify the validity of the design method proposed for the ejector-driven fuel recirculation system in this paper and that the recirculation ratio has not affected the performance of the SOFC stack under the experimental conditions in this paper.https://www.jstage.jst.go.jp/article/transjsme/82/836/82_15-00182/_pdf/-char/ensolid oxide fuel cellfuel recirculationejectorpower generation testrecirculation ratio
spellingShingle Nariyoshi KOBAYASHI
Sanyo TAKAHASHI
Soumei BABA
Fumio TAKEMURA
Kenji YAMAGA
Design and experimental validation of fuel recirculation solid oxide fuel cell system using Ejector
Nihon Kikai Gakkai ronbunshu
solid oxide fuel cell
fuel recirculation
ejector
power generation test
recirculation ratio
title Design and experimental validation of fuel recirculation solid oxide fuel cell system using Ejector
title_full Design and experimental validation of fuel recirculation solid oxide fuel cell system using Ejector
title_fullStr Design and experimental validation of fuel recirculation solid oxide fuel cell system using Ejector
title_full_unstemmed Design and experimental validation of fuel recirculation solid oxide fuel cell system using Ejector
title_short Design and experimental validation of fuel recirculation solid oxide fuel cell system using Ejector
title_sort design and experimental validation of fuel recirculation solid oxide fuel cell system using ejector
topic solid oxide fuel cell
fuel recirculation
ejector
power generation test
recirculation ratio
url https://www.jstage.jst.go.jp/article/transjsme/82/836/82_15-00182/_pdf/-char/en
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AT soumeibaba designandexperimentalvalidationoffuelrecirculationsolidoxidefuelcellsystemusingejector
AT fumiotakemura designandexperimentalvalidationoffuelrecirculationsolidoxidefuelcellsystemusingejector
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