نتایج جستجو برای: molecular diffusion
تعداد نتایج: 787842 فیلتر نتایج به سال:
Molecular Dynamics (MD) simulations were applied to calculate self-diffusion coefficients (Di ) and heats of adsorption for ethane, propane and n-butane. The simulations were done in temperature range of 300-525 K for various concentrations inside the pores of silicalite type zeolite. The calculated values of self-diffusion coefficients and heats of adsorption resulted from the current wo...
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Abstract The diffusion coefficients in gases and liquids calculated by the molecular dynamics method with use of hard absolutely rough elastic spheres model are compared those using Lennard-Jones potential. It is shown that dependences reduced on density similar, but differ numerically for different intermolecular interaction models. simulation results have been experimental data gaseous liquid...
We study transport in random undirectional wave-like velocity fields with nonlinear dispersion relations. For this simple model, we have several interesting findings: (1) In the absence of molecular diffusion the entire family of fractional Brownian motions (FBMs), persistent or anti-persistent, can arise in the scaling limit. (2) The infrared cutoff may alter the scaling limit depending on whe...
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