کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
4993812 1368178 2018 8 صفحه PDF ندارد دانلود رایگان
عنوان انگلیسی مقاله
Lattice Boltzmann simulation of shear viscosity of suspensions containing porous particles
ترجمه فارسی عنوان
شبیه سازی شبکه بولتزمن از ویسکوزیته برشی ذرات متخلخل حاوی سوسپانسیون
کلمات کلیدی
ویسکوزیته نسبی؛ ذرات متخلخل؛ جریان ذرات؛ روش شبکه بولتزمن؛
Relative viscosity; Porous particle; Particle flow; Lattice Boltzmann method;
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
چکیده انگلیسی

•3D LB simulations of dilute suspensions containing porous particles.•A correlation equation for intrinsic viscosity of the suspension is obtained.•Inertial effect on intrinsic viscosity of the suspension is investigated.

We present three-dimensional lattice Boltzmann simulations of dilute suspensions containing porous particles. The fluid flow around and inside a porous particle is described by the volume-averaged macroscopic equations in terms of intrinsic phase average. The energy dissipation of the suspended particle in a Couette flow is calculated to obtain the relative viscosity of the suspension. Results show that the relative viscosity of the suspension increases linearly with the particle volume fraction. A correlation equation is obtained for the intrinsic viscosity as a function of Darcy number. It is found that when the suspension is at the inertial flow regime, its intrinsic viscosity increases linearly with Reynolds number, and the increasing rate depends on Darcy number.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Heat and Mass Transfer - Volume 116, January 2018, Pages 969-976
نویسندگان
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