Diffusion Fundamentals (E-Journal)
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Infrared Soret forced Rayleigh scattering apparatus using a single crystal diamond window to measure Soret and mass diffusion coefficient
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Prediction of physical properties for the design of processes in the oil & gas industry using molecular simulation
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Synthesis of hierarchical TS-1 zeolites from a hydrolysis resistant polymer and their excellent catalytic performance in bulky molecules oxidation
Get PDFImprovement of a transferable force field for the prediction of self-diffusivity, viscosity, surface tension, and density of long-chained linear and branched alkanes and alcohols up to 573 K by molecular dynamics simulations
Get PDFDiffusivities accessible from dynamic light scattering across the two-phase boundary of an equimolar propane-methane mixture
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Determining the Pore Size Distribution in Synthetic and Building Materials Using 1D NMR
Get PDFNMR is gaining increasing interest in civil engineering for applications regarding microstructure characterization as e.g., to determine pore sizes or to monitor moisture transport in porous materials. This study reveals the capability of NMR as a tool for pore size characterization. Therefore, we measured floor screed and synthetic materials at partial and full saturation. For most examined materials, the pore size distribution was successfully determined using either a reference or a calibration method. Since diffusion effects were observed for some samples in single-sided NMR measurements, further tests employing an NMR core analyzer were carried out in a homogeneous magnetic field. The finally obtained surface relaxivity of floor screed (50 μm/s) resulted to be much higher than suggested by literature