نتایج جستجو برای: newtonian fluids
تعداد نتایج: 53383 فیلتر نتایج به سال:
We present an experimental and numerical study of immiscible two-phase flow of Newtonian fluids in three-dimensional (3D) porous media to find the relationship between the volumetric flow rate (Q) and the total pressure difference ([Formula: see text]) in the steady state. We show that in the regime where capillary forces compete with the viscous forces, the distribution of capillary barriers a...
In this work, for the first time, the rheological properties of nanofluids of lanthania nanoparticles (NPs) in ethylene glycol (EG) as functions of shear rate, volume fraction, and temperature were measured. The results showed that both EG and the nanofluids behave as non-Newtonian fluids at lower shear rates and transform to Newtonian fluids at higher shear rates. The values of viscosity ...
Non-Newtonian fluid flows, especially in three dimensions (3D), arise numerous settings of interest to physics. Prior studies using the lattice Boltzmann method (LBM) such flows have so far been limited mainly two and used less robust collision models. In this paper, we develop a new 3D cascaded LBM based on central moments multiple relaxation times (MRT) three-dimensional, nineteen velocity (D...
We study the flow, through a model two-dimensional porous medium, of Newtonian fluids, power-law fluids, and viscoplastic fluids in the laminar regime and with moderate or dominant effects of the yielding term. A numerical technique able to take properly into account yielding effects in viscoplastic flows without any regularization is used to determine the detailed flow characteristics. We show...
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