Water sorption and diffusion
Evolution of particle structure during water sorption observed on different size fractions of durum wheat semolina
... 3.5. Water diffusion coefficient Water diffusivity in semolina was calculated for each RH level from water sorption kinetic ...The water diffusion coefficients of raw ...
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Diffusion of water and methanol vapor in hydrated Portland cement paste
... Systems Water Vapor: The sorption of water vapor in Portland cement paste is a highly irreversible process 10 ...change and length change isotherms generally exhibit marked primary and ...
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Bi-phasic water diffusion in sheet molding compound composite
... bound and mobile water in the material, as reviewed by Popineau et al 22 who themselves used nuclear magnetic resonance (NMR) as their main experimental technique to differentiate between the two types of ...
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Comparative study of particle structure evolution during water sorption: Skim and whole milk powders
... of water uptake by the powders was never directly related to the structure and the composition of the ...The water–powder interaction for industrial whole milk powder, and skim milk powder was ...
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Water Vapor Sorption and Diffusivity in Bio-Based Poly(ethylene vanillate)—PEV
... dynamic and equilibrium water vapor sorption properties of amorphous and highly crystalline poly(ethylene vanillate) (PEV) films were determined via gravimetric analysis, at 20 ◦ C, over a ...
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Magnetic resonance imaging evidences of the impact of water sorption on hardwood capillary imbibition dynamics
... presented, and its vessel elements are connected to each other by simple perforation plates (Wheeler et ...vessels and of typical length between 900-1600 µm (data collected from InsideWood database; Wheeler ...
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In situ study of the temperature activated kinetics of water sorption in an epoxy varnish
... the diffusion of water, oxygen, and possibly ions through the coating down to the metal ...anodic and cathodic sites) [ 1 , 2 ] even though this assertion is still debated [ 3 ...without ...
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In situ study of the temperature activated kinetics of water sorption in an epoxy varnish
... between water molecules and hydrophilic (polar) sites on the polymer ...amine and amide groups are likely to be the preferred sites of interaction with water molecules [ 17 , 43 ...the ...
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Qualitative and quantitative assessment of water sorption in natural fibres using ATR-FTIR spectroscopy
... la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou ...
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Water condensation in Gas Diffusion Layers of PEM Fuel cells
... Advanced water management and gas diffusion Layers for Automotive application”, project number: 303446) within the Fuel Cells and Hydrogen Joint Undertaking ...
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Simultaneous heat-flow differential calorimetry and thermogravimetry for fast determination of sorption isotherms and heat of sorption in environmental or food engineering
... The use of saturated salt solutions can be avoided by feeding the cabinet with a gas stream at constant vapour pressure, generally moist air. The relative humidity of the air is therefore measured by psychrometric ...
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Moisture Sorption of Building Materials
... Since the arnount of water held by adsorption thus cannot be determined exactly, it is rnore accurate to call that part of water dislodged by sorne standard dryi[r] ...
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Sorption Isotherms of Miscellaneous Materials
... Over the three-year period, the proportion of on-site cost due to labour plus rental equipment increased from 21.4 per cent in 1965 to 24.0 per cent in 1967 (Table I), while the proporti[r] ...
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CEC-normalized clay-water sorption isotherm
... sorption and desorption of the bound water in clays, sand-clay mixtures, and shales is ...Clay-water sorption isotherms (sorption and desorption) of clayey ...
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Zn sorption on Ca-illite and Ca-smectite: experiment and modelling
... Zn sorption were acquired at different ionic strength, sorption trends due to ionic competition and mineral dependence may be ...pH sorption isotherm acquired on Na-illite [3], Zn ...
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Ca and Sr sorption on Ca-illite experimental study and modelling
... la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou ...
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MR microscopy of neuronal tissue : acquisition acceleration, modelling and experimental validation of water diffusion
... R´ esum´ e: La technique d’acquisition comprim´ee ou compressed sensing (CS) exploite la compress- ibilit´e de diff´erents types d’images pour reconstruire des donn´ees sous-´echantillonn´ees sans perte d’informations. ...
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Role of interlayer porosity and particle organization in the diffusion of water in swelling clays
... deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...teaching and research institutions in France or abroad, or from public or private research ...
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Comparison Between Static and Dynamic Methods for Sorption Isotherm Measurements
... Both models were used to fit the experimental data curves plotted in Figure 4. The optimized parameters are summarized in Table 2. When compared to the literature, the same order of magnitude is found for the optimized ...
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Sorption of CO₂/CH₄ mixtures in TZ-PIM, PIM-1 and PTMSP: experimental data and NELF-model analysis of competitive sorption and selectivity in mixed gases
... 2 sorption, even in mixtures with very high CH 4 ...pressure and mixture ...reliable and computationally inexpensive modelling tools, which require only pure-gas sorption isotherms as input ...
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