A. Alshayji , A. Abograis 
Kuwait University, Kuwait City, Kuwait
COMSOL Multiphysics® is used in this study to simulate the flow around a square cylinder and focus on reducing the forces on the cylinder by passive control methods. Numerical simulations are made to find optimum cases of control methods that guarantee maximum reduction for Reynolds number 160 based on the width of the square cylinder (W) and the inlet flow velocity (U_in). The selection of the ...
Rheological Behaviour of Single–Phase Non-Newtonian Polymer Solution in Complex Pore Geometry: A Simulation Approach
P. Idahosa, G. Oluyemi, R. Prabhu, B. Oyeneyin
IDEAS Research Institute/School of Engineering, Robert Gordon University, Aberdeen, United Kingdom.
School of Engineering, Robert Gordon University, Aberdeen, United Kingdom.
One of the most important criteria for evaluating chemical enhanced oil recovery (EOR) processes that use polymers is its rheological behaviour which in turn account for other physical effects of adsorption and resistance factors during polymer-rock interactions. However, complete knowledge of behaviour of polymer solution in porous media has not yet been fully gained. A computational fluid ...
J. Sparkes ,
 Natural Materials Group, Dept of Materials Science and Engineering, The University of Sheffield, Sheffield, UK
The ability to artificially produce silk fibers has great commercial, industrial and scientific implications. Much has been made of their remarkable mechanical properties but few have considered how they are imparted on the initially liquid silk feedstock.1 I am exploring how silk duct geometry affects the fibers produced as by understanding the flow conditions within the model, and comparing ...
Numerical Calculation of Effective Density and Compressibility Tensors in Periodic Porous Media: A Multi-Scale Asymptotic Method
C. Lee, M. Leamy, and J. Nadler
School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
Georgia Tech Research Institute (GTRI), Georgia Institute of Technology
A major issue in predicting and controlling (via design) absorption properties of rigid porous media is the determination of the frequency-dependent effective density and compressibility tensors. Unlike previous research efforts which employ in-house and, oftentimes, multiple numerical procedures for determining these two essential tensors, we formulate their solution in terms of a set of micro ...
D-S. Jeng, X. Luo, and J. Zhang
Division of Civil Engineering, University of Dundee, Dundee, Scotland, UK
Offshore wind and wave energy industries have developed considerably in the last two decades. Most offshore energy structures used in the existing projects are mono-piles in shallow water due to simplicity of installations, design and control. Numerous research for the design and modeling of offshore wind energy system have been carried out in the past. However, most previous studies have been ...
Validation for a Quick and Reliable Procedure for Centrifugal Pumps Using Frozen Rotor Methodology in COMSOL Multiphysics®
D. Manenti, G. Tanghetti, R. Roveglia
Metelli SPA, Cologne (BS), Italy
Single stage centrifugal pumps are widely used in several engineering fields such as: room conditioning, energetic cycles, automotive industry, home care, etc. Thus, the possibility of simulate their behaviour, in terms of pressure increase and mass flow rate, is helpful in reducing prototyping costs in the first design stages. The Rotating Machinery Interface is a dedicated tool implemented ...
A.W.M. van Schijndel and H.L. Schellen
Eindhoven University of Technology, Eindhoven, The Netherlands
This paper presents the use of the multiphysics package COMSOL for teaching heat and moisture transport modeling in the research area of building physics. It includes a description on how COMSOL works and six exercises with 2D, 3D, steady state and transient models. It is concluded that COMSOL is a very useful tool for this kind of engineering education. Especially, the abstraction level of ...
V. De Smet, V. Bellini, E. Cisbani, F. Noto, F. Mammoliti, C. M. Sutera, and M. Mangiameli
Dipartimento di Fisica ed Astronomia, Università di Catania, Catania, Italy; Haute Ecole Paul-Henri Spaak, ISIB, Bruxelles, Belgium
Dipartimento di Fisica ed Astronomia, Università di Catania, Catania, Italy; INFN – Sezione di Catania, Catania, Italy
INFN – Sezione di Roma - Sanità Group, Roma, Italy; Italian National Institute of Health, Roma, Italy
INFN - Sezione di Catania, Catania, Italy
A Computational Fluid Dynamics study has been performed for a Gas Electron Multiplier (GEM) detector of high energy charged particles, currently under development as part of a new tracker of the high luminosity spectrometers in Hall A at Jefferson Lab. By gradual modifications of the geometry simulated in COMSOL, the design of the frame separating two GEM foils has been optimized with the aim ...
B. Chinè, F. Concha, M. Meneses G.
School of Materials Science and Engineering, Costa Rica Institute of Technology, Cartago, Costa Rica
Department of Metallurgical Engineering, University of Concepcion, Concepcion, Chile
School of Production Engineering, Costa Rica Institute of Technology, Cartago, Costa Rica
Hydrocyclones are industrial devices used as processing units in fluid and particle technology. A hydrocyclone is an apparatus consisting of a cylindrical or a cylindrical-conical body with a tangential or involute entrance to admit the fluid inside. There are also two opposite exits, the top exit which is the vortex finder and the bottom exit called apex. Fig. 1 shows the schematic of a widely ...
G. V. B. Lukasievicz, N. G. C. Astrath, L. C. Malacarne, M. L. Baesso, S. E. Bialkowski
Universidade Tecnológica Federal do Paraná, Toledo, PR, Brazil
Universidade Estadual de Maringá, Maringá, PR, Brazil
Utah State University, Logan, Utah, USA
The radiation force effects on the surface displacement can be calculated by solving the Navier-Stokes equation with appropriated boundary conditions. The surface deformation can be described by the radiation pressure as well as those forces due to gravity and surface tension. We used the photomechanical mirror (PM) method to measure the time-evolution of the nanometer deformation generated on ...