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Pore network simulations

Drying of thin porous disks from pore network simulations

Drying of thin porous disks from pore network simulations

... of pore layers. Comparison of drying rate curves from pore networks with increasing disk height evidenced a progressive transition from the TPM (without distinct drying periods) to drying of traditional ...

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Drying of thin porous disks from pore network simulations

Drying of thin porous disks from pore network simulations

... of pore layers. Comparison of drying rate curves from pore networks with increasing disk height evidenced a progressive transition from the TPM (without distinct drying periods) to drying of traditional ...

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Kinematics in a slowly drying porous medium: Reconciliation of pore network simulations and continuum modeling

Kinematics in a slowly drying porous medium: Reconciliation of pore network simulations and continuum modeling

... versus network saturation ...previous pore network simulations, ...the simulations is quite short (the satu- ration range corresponding to the CRP is much narrower than in the ...our ...

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Non-local equilibrium continuum modeling of partially saturated drying porous media: comparison with pore network simulations

Non-local equilibrium continuum modeling of partially saturated drying porous media: comparison with pore network simulations

... area Pore network simulations A two equation continuum model is developed to simulate the mass transfer in drying porous ...from pore network drying simulations. The same ...

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Validation of pore network simulations of ex-situ water distributions in a gas diffusion layer of proton exchange membrane fuel cells with X-ray tomographic images

Validation of pore network simulations of ex-situ water distributions in a gas diffusion layer of proton exchange membrane fuel cells with X-ray tomographic images

... developing pore network models since practically identical results are obtained with the full morphology model with fewer ...the pore network simulations are faster (not considering the ...

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Kinematics in a slowly drying porous medium: Reconciliation of pore network simulations and continuum modeling

Kinematics in a slowly drying porous medium: Reconciliation of pore network simulations and continuum modeling

... from pore network simulations leads to step velocity ...and pore network results can be reconciled by averaging the velocity field obtained from the pore network ...

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Validation of pore network simulations of ex-situ water distributions in a gas diffusion layer of proton exchange membrane fuel cells with X-ray tomographic images

Validation of pore network simulations of ex-situ water distributions in a gas diffusion layer of proton exchange membrane fuel cells with X-ray tomographic images

... developing pore network models since practically identical results are obtained with the full morphology model with fewer ...the pore network simulations are faster (not considering the ...

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Analysis of fluid-fluid porometry from pore network simulations

Analysis of fluid-fluid porometry from pore network simulations

... 2. Methods and results 2.1. Methods In the fluid fluid porometry [1], a wetting fluid initially saturating the thin porous medium of interest is displaced by injection of a non-wetting fluid through a series of pressure ...

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Liquid water in cathode gas diffusion layers of PEM fuel cells:Identification of various pore filling regimes from pore network simulations

Liquid water in cathode gas diffusion layers of PEM fuel cells:Identification of various pore filling regimes from pore network simulations

... issue in GDLs has been the subject of many experimental and numerical studies. On the experimental side, several groups have contributed to this field using X-ray tomography microscopy, e.g. [5–8] , or neutron ...

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Liquid water in cathode gas diffusion layers of PEM fuel cells:Identification of various pore filling regimes from pore network simulations

Liquid water in cathode gas diffusion layers of PEM fuel cells:Identification of various pore filling regimes from pore network simulations

... Actually, one can distinguish two main groups as regards the PNMs aiming at simulating the pore filling of the GDL by liquid water under in-situ conditions. The first group is by far the largest in number of ...

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X-ray micro-tomography and pore network modeling of single-phase fixed-bed reactors

X-ray micro-tomography and pore network modeling of single-phase fixed-bed reactors

... approximating pore throats as symmetrical sinusoidal ducts, that is by imposing as a geometrical simplification equal distances (and channel radii) up and down- stream of the ...at pore-throat-pore ...

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Pore network modelling of condensation in gas diffusion layers of proton exchange membrane fuel cell

Pore network modelling of condensation in gas diffusion layers of proton exchange membrane fuel cell

... Pore network simulations The modeling of transport phenomena in porous media is generally performed within the framework of the continuum approach to porous ...few pore sizes ...a pore ...

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A pore network study of evaporation from the surface of a drying non-hygroscopic porous medium

A pore network study of evaporation from the surface of a drying non-hygroscopic porous medium

... drying, pore network simulations, coupling with external transfer, non-hygroscopic porous media Introduction Drying of porous media has been the subject of scientific publications for at least about ...

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Pore network study of bubble growth by vaporisation in a porous medium heated laterally

Pore network study of bubble growth by vaporisation in a porous medium heated laterally

... In this paper, we have presented visualization experiments and pore network simulations of bubble growth in a model porous medium heated laterally. As in [14] , the growth was modelled as a ...

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A pore network study of evaporation from the surface of a
drying non-hygroscopic porous medium

A pore network study of evaporation from the surface of a drying non-hygroscopic porous medium

... drying, pore network simulations, coupling with external transfer, non-hygroscopic porous media Introduction Drying of porous media has been the subject of scientific publications for at least about ...

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Experimental investigation of drying by pore networks: influence of pore size distribution and temperature

Experimental investigation of drying by pore networks: influence of pore size distribution and temperature

... by pore network simulations which in turn help to understand and interpret the experimentally observed drying behavior ...Various pore network drying models which consider different ...

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Pore network study of bubble growth by vaporisation in a porous medium heated laterally

Pore network study of bubble growth by vaporisation in a porous medium heated laterally

... In this paper, we have presented visualization experiments and pore network simulations of bubble growth in a model porous medium heated laterally. As in [14] , the growth was modelled as a ...

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Coupled continuum and condensation-evaporation pore network model of the cathode in polymer-electrolyte fuel cell

Coupled continuum and condensation-evaporation pore network model of the cathode in polymer-electrolyte fuel cell

... alternative, Pore Network Model (PNM) has been applied to ...the pore network of a ...PNM simulations are exploited for example in ...

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Numerama study on heat-transfer characteristics of loop heat pipe evaporator using three-dimensional pore network model

Numerama study on heat-transfer characteristics of loop heat pipe evaporator using three-dimensional pore network model

... 1. Introduction Loop heat pipes (LHPs) and capillary pumped loops are widely used to achieve thermal control in various applications such as spacecraft, automobiles, computers, LED-based devices, and power semiconductor ...

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Numerama study on heat-transfer characteristics of loop heat pipe evaporator using three-dimensional pore network model

Numerama study on heat-transfer characteristics of loop heat pipe evaporator using three-dimensional pore network model

... listed in Table 1 . Results of this simulation is in this range as shown in Table 3 . The relationship of the transition heat flux with the wick thermal conductivity and pore radius cannot be found. The presence ...

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