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dc.contributor.authorChesalkin, Artem
dc.contributor.authorKačor, Petr
dc.contributor.authorMoldřík, Petr
dc.date.accessioned2021-07-14T10:32:00Z
dc.date.available2021-07-14T10:32:00Z
dc.date.issued2021
dc.identifier.citationEnergies. 2021, vol. 14, issue 8, art. no. 2182.cs
dc.identifier.issn1996-1073
dc.identifier.urihttp://hdl.handle.net/10084/143166
dc.description.abstractHydrogen is one of the modern energy carriers, but its storage and practical use of the newest hydrogen technologies in real operation conditions still is a task of future investigations. This work describes the experimental hydrogen hybrid energy system (HHS). HHS is part of a laboratory off-grid system that stores electricity gained from photovoltaic panels (PVs). This system includes hydrogen production and storage units and NEXA Ballard low-temperature proton-exchange membrane fuel cell (PEMFC). Fuel cell (FC) loses a significant part of heat during converting chemical energy into electricity. The main purpose of the study was to explore the heat distribution phenomena across the FC NEXA Ballard stack during load with the next heat transfer optimization. The operation of the FC with insufficient cooling can lead to its overheating or even cell destruction. The cause of this undesirable state is studied with the help of infrared thermography and computational fluid dynamics (CFD) modeling with heat transfer simulation across the stack. The distribution of heat in the stack under various loads was studied, and local points of overheating were determined. Based on the obtained data of the cooling air streamlines and velocity profiles, few ways of the heat distribution optimization along the stack were proposed. This optimization was achieved by changing the original shape of the FC cooling duct. The stable condition of the FC stack at constant load was determined.cs
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofseriesEnergiescs
dc.relation.urihttps://doi.org/10.3390/en14082182cs
dc.rights© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjecthydrogencs
dc.subjectfuel cellscs
dc.subjecthydrogen hybrid energy systemcs
dc.subjectthermographycs
dc.subjectCFD modelingcs
dc.subjectheat transfercs
dc.subjectoptimizationcs
dc.titleHeat transfer optimization of NEXA Ballard low-temperature PEMFCcs
dc.typearticlecs
dc.identifier.doi10.3390/en14082182
dc.rights.accessopenAccesscs
dc.type.versionpublishedVersioncs
dc.type.statusPeer-reviewedcs
dc.description.sourceWeb of Sciencecs
dc.description.volume14cs
dc.description.issue8cs
dc.description.firstpageart. no. 2182cs
dc.identifier.wos000644169800001


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© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.
Except where otherwise noted, this item's license is described as © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.