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Journal of Applied Fluid Mechanics، جلد ۱۷، شماره ۷، صفحات ۱۴۹۹-۱۵۱۳
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عنوان انگلیسی Investigating Pressure Gradient Dynamics in Two-phase Fluid Flow through Porous Media: An Experimental and Numerical Analysis
چکیده انگلیسی مقاله This study investigates pressure gradient dynamics within a porous medium in the context of two-phase fluid flow, specifically water and sand particle interactions. Using experimental data, we refine pressure correction coefficients within a numerical solution framework, employing the Semi-Implicit Method for the Pressure-linked Equations algorithm. Our findings highlight the relative nature of pressure gradient phenomena, with particle size and volume fraction emerging as crucial determinants. Graphical representations reveal a clear trend: an increase in volume fraction, up to 40%, across varying Reynolds Numbers, leads to a transition towards non-Newtonian behavior in the two-phase fluid system. Unlike the linear pressure gradient seen in single-phase fluid flow, the interplay between liquid and solid phases, along with drag forces, imparts a distinctly nonlinear trajectory to the pressure gradient in two-phase fluid flow scenarios. As the two-phase flow enters a porous medium, numerous factors come into play, resulting in a pressure drop. These factors include changes in cross-sectional geometry, alterations in boundary layer dynamics, and ensuing momentum fluctuations. Interestingly, an increase in porosity percentage inversely correlates with pressure gradient, resulting in reduced pressure gradient with higher porosity levels. 
کلیدواژه‌های انگلیسی مقاله Two-phase fluid flow,Porous media,Interaction,Pressure gradient,Porosity percentage
نویسندگان مقاله H. Ashouri |
Department of Mechanical Engineering, Shahrood Branch, Islamic Azad University, Shahrood, Iran

H. Mohammadiun |
Department of Mechanical Engineering, Shahrood Branch, Islamic Azad University, Shahrood, Iran

M. Mohammadiun |
Department of Mechanical Engineering, Shahrood Branch, Islamic Azad University, Shahrood, Iran

G. Shafiee Sabet |
Department of Mechanical Engineering, Shahrood Branch, Islamic Azad University, Shahrood, Iran

M. H. Dibaee Bonab |
Department of Mechanical Engineering, Shahrood Branch, Islamic Azad University, Shahrood, Iran

F. Sabbaghzadeh |
Department of Chemical Engineering, Shahrood Branch, Islamic Azad University, Shahrood, Iran

نشانی اینترنتی https://www.jafmonline.net/article_2437_87cbf96d9e1733610b21d1e2ce546c7c.pdf
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