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- W4385520908 abstract "The two-phase flow of water and reactive gas in the channel of proton exchange membrane fuel cell (PEMFC) plays an important role in high-quality water management. In this study, the removal effect of 3D wave channel and 2D straight channel for liquid water was studied by volume of fluid method. The dynamic behavior of droplet emerge from the gas diffusion layer (GDL) into the channel under the influence of gas flow was investigated. The effects of droplet growth, deformation, detachment, force, pore size on water critical behavior and water content in the channel are discussed. The results show that the 3D wave channel is superior to the removal of liquid water than the 2D straight channel. The increase of velocity is conducive to the discharge liquid water. While infinite increase of velocity will cause more parasitic power loss. The larger pore size of GDL is not advantageous to the performance of PEMFC, but the appropriate increase of pore size is conducive to the discharge of liquid water. The basic knowledge obtained in this study will help to deepen the understanding of droplet dynamics in PEMFC gas channels, and help to optimize the design and working conditions of these channels." @default.
- W4385520908 created "2023-08-04" @default.
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- W4385520908 date "2023-08-03" @default.
- W4385520908 modified "2023-09-23" @default.
- W4385520908 title "Liquid Water Transport Characteristic and Droplet Dynamics of Proton Exchange Membrane Fuel Cells With 3D Wave Channel" @default.
- W4385520908 doi "https://doi.org/10.20944/preprints202308.0339.v1" @default.
- W4385520908 hasPublicationYear "2023" @default.
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