Pore network modelling;
Condensation;
Evaporation;
Temperature gradient;
Gas diffusion layer;
LIQUID WATER TRANSPORT;
RAY TOMOGRAPHIC MICROSCOPY;
INVASION-PERCOLATION;
SATURATION DISTRIBUTION;
MIXED WETTABILITY;
POROUS-MEDIA;
2-PHASE FLOW;
PHASE-CHANGE;
SIMULATIONS;
MECHANISMS;
D O I:
10.1016/j.ijheatmasstransfer.2016.06.078
中图分类号:
O414.1 [热力学];
学科分类号:
摘要:
A pore network model (PNM) is exploited to simulate the liquid water formation by vapour condensation in the gas diffusion layer (GDL) on the cathode side considering the spatial temperature variations within the GDL. The computed distributions are markedly different from the ones computed in previous works assuming capillarity controlled invasion in liquid phase from the catalyst layer and found to be in quite good agreement with several experimental observations. The proposed model opens up new perspectives for understanding the water transfer in protons exchange membrane fuel cells and the associated water management and aging issues. (C) 2016 Elsevier Ltd. All rights reserved.
机构:
Natl Inst Adv Ind Sci & Technol, Res Inst Energy Conservat, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, JapanNatl Inst Adv Ind Sci & Technol, Res Inst Energy Conservat, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, Japan
Ito, Hiroshi
Heo, Yun
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Univ Tsukuba, Dept Engn Mech & Energy, 1-1-1 Tennoudai, Tsukuba, Ibaraki 3058573, JapanNatl Inst Adv Ind Sci & Technol, Res Inst Energy Conservat, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, Japan
Heo, Yun
Ishida, Masayoshi
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Univ Tsukuba, Dept Engn Mech & Energy, 1-1-1 Tennoudai, Tsukuba, Ibaraki 3058573, JapanNatl Inst Adv Ind Sci & Technol, Res Inst Energy Conservat, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, Japan
Ishida, Masayoshi
Nakano, Akihiro
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Natl Inst Adv Ind Sci & Technol, Res Inst Energy Conservat, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, JapanNatl Inst Adv Ind Sci & Technol, Res Inst Energy Conservat, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, Japan
Nakano, Akihiro
Someya, Satoshi
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Natl Inst Adv Ind Sci & Technol, Res Inst Energy Conservat, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, JapanNatl Inst Adv Ind Sci & Technol, Res Inst Energy Conservat, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, Japan
Someya, Satoshi
Munakata, Tetsuo
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机构:
Natl Inst Adv Ind Sci & Technol, Res Inst Energy Conservat, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, JapanNatl Inst Adv Ind Sci & Technol, Res Inst Energy Conservat, 1-2-1 Namiki, Tsukuba, Ibaraki 3058564, Japan
机构:Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China
Yang, Yange
Zhou, Xiangyang
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机构:Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China
Zhou, Xiangyang
Tang, Fumin
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机构:Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China
Tang, Fumin
Li, Bing
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机构:
Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R ChinaTongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China
Li, Bing
Ming, Pingwen
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机构:Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China
Ming, Pingwen
Zhang, Cunman
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机构:Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China