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    Entropy Generation Minimization in a Tubular Solid Oxide Fuel Cell

    Source: Journal of Energy Resources Technology:;2010:;volume( 132 ):;issue: 001::page 12601
    Author:
    Adriano Sciacovelli
    ,
    Vittorio Verda
    DOI: 10.1115/1.4001063
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The aim of the paper is to investigate possible design modifications in tubular solid oxide fuel cell geometry to increase its performance. The analysis of the cell performances is conducted on the basis of the entropy generation. The use of this technique makes it possible to identify the phenomena provoking the main irreversibilities, understand their causes and propose changes in the system design and operation. The different contributions to the entropy generation are analyzed in order to develop new geometries that increase the fuel cell efficiency. To achieve this purpose, a CFD model of the cell is used. The model includes energy equation, fluid dynamics in the channels and in porous media, current transfer, chemical reactions, and electrochemistry. The geometrical parameters of the fuel cell are modified to minimize the overall entropy generation.
    keyword(s): Entropy , Fuel cells , Solid oxide fuel cells , Optimization , Channels (Hydraulic engineering) , Geometry AND Design ,
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      Entropy Generation Minimization in a Tubular Solid Oxide Fuel Cell

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    http://yetl.yabesh.ir/yetl1/handle/yetl/143017
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    contributor authorAdriano Sciacovelli
    contributor authorVittorio Verda
    date accessioned2017-05-09T00:37:21Z
    date available2017-05-09T00:37:21Z
    date copyrightMarch, 2010
    date issued2010
    identifier issn0195-0738
    identifier otherJERTD2-26567#012601_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/143017
    description abstractThe aim of the paper is to investigate possible design modifications in tubular solid oxide fuel cell geometry to increase its performance. The analysis of the cell performances is conducted on the basis of the entropy generation. The use of this technique makes it possible to identify the phenomena provoking the main irreversibilities, understand their causes and propose changes in the system design and operation. The different contributions to the entropy generation are analyzed in order to develop new geometries that increase the fuel cell efficiency. To achieve this purpose, a CFD model of the cell is used. The model includes energy equation, fluid dynamics in the channels and in porous media, current transfer, chemical reactions, and electrochemistry. The geometrical parameters of the fuel cell are modified to minimize the overall entropy generation.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleEntropy Generation Minimization in a Tubular Solid Oxide Fuel Cell
    typeJournal Paper
    journal volume132
    journal issue1
    journal titleJournal of Energy Resources Technology
    identifier doi10.1115/1.4001063
    journal fristpage12601
    identifier eissn1528-8994
    keywordsEntropy
    keywordsFuel cells
    keywordsSolid oxide fuel cells
    keywordsOptimization
    keywordsChannels (Hydraulic engineering)
    keywordsGeometry AND Design
    treeJournal of Energy Resources Technology:;2010:;volume( 132 ):;issue: 001
    contenttypeFulltext
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