The understanding of pH-sensitive hydrogel swelling response in different buffer environmental condition is essential for its use in different practical applications. This necessitates its simulation in steady state and transient... COMSOL Conference 2012, Boston M.K. Ghantasala1 , B.O. Asimba1 , A. Khaminwa1 , K.J. Suthar2 , D.C. Mancini3 1 Department of Mechanical and Aeronautical Engineering, Western Michigan University, Kalamazoo, MI, USA 2 Advanced Photon Source, Argonne National Laboratory, Argonne, IL, USA 3 Physical Sciences and Engineering, Argonne National Laboratory, Argonne, IL, USA
This work presents the results of a 3D numerical magneto-hydrodynamic (MHD) simulation of an electromagnetic DC pump for liquid metal using a rectangular metal flow channel subjected to an externally imposed transversal inhomogeneous... COMSOL Conference 2012, Boston N. Kandev1 1 Institut de recherche d'Hydro-Québec, Shawinigan, QC, Canada
The electron beam emitted backward by Plasma Focus devices is being investigated as a radiation source for IORT (Intra-Operative Radiation Therapy) applications. A Plasma Focus device is being developed to this aim. The electron beam is... COMSOL Conference 2012, Milan M. Valentinuzzi1 , E. Ceccolini1 , D. Mostacci1 , M. Sumini1 , F. Rocchi2 1 Montecuccolino Nuclear Engineering Laboratory, University of Bologna, Bologna, Italy 2 UTFISSM-PRONOC, ENEA, Bologna, Italy
For the design of an inductive power and data transfer electromagnetic calculation are carried out. A transfer system is considered for loads that are distributed across some distances. For example, such loads are adjustable speed drives... COMSOL Conference 2012, Boston H.P. Schmidt 1 , U. Vogl1 1 UAS HAW Amberg-Weiden, Amberg, Germany
Modern power transmission systems are in general designed to operate at high voltages in order to reduce resistive losses generated by high currents. This, however, tends to increase the risk for dielectric breakdown or flashovers if the... COMSOL Conference 2012, Milan G. Eriksson1 1 ABB, Corporate Research, Västerås, Sweden
The silicon cantilever with the planar coil was applied to the magnetic flux density measurements. The influence of shape and dimensions of planar coil on magnetic energy density was described. In cause of magnetic anisotropy of analyzed... COMSOL Conference 2012, Milan J. Golebiowski1 , S. Milcarz1 1 Department of Semiconductor and Optoelectronics Devices, Technical University of Lodz, Lodz, Poland
The TS (Turin Shroud) [1,2] is a fine linen fabric showing a not yet explainable [3] double body image of a scourged and crucified man stabbed on the side. Many hypotheses have been formulated without success [4] and perhaps the most... COMSOL Conference 2012, Milan G. Fanti1 , L. Matordes1 , V. Amoruso2 , M. Bullo1 , F. Lattarulo2 , G. Pesavento1 1 Dip. di Ingegneria Industriale, Università di Padova, Padova, Italy 2 Politecnico di Bari, Bari, Italy
Numerical simulation of an electromagnetic trigger with a short-circuit ring is presented. The main goal of inclusion of a short-circuit ring in an electromagnetic trigger is to develop an element suitable for use in a circuit breaker... COMSOL Conference 2012, Milan D. Križaj1 , Z. Top?agi?1 , B. Drnovšek1 1 Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia
Railgun is an electrically-powered gun that accelerates a conductive projectile along magnetic metal rails. Various factors increase the projectile velocity. Each method has its own advantages and disadvantages. While increasing the... COMSOL Conference 2012, Bangalore N. R. Mahajan1 , S. B. Patel1 , Z. A. Khan1 1 Department of Electrical Engineering, Indian Institute of Technology Hyderabad, Hyderabad, Andhra Pradesh, India
HIIPER is an experimental space propulsion device using a helicon and an IEC as a plasma generation and acceleration stage, respectively. There is an experiment in progress, but for true rapid iteration and to model the performance of the... COMSOL Conference 2012, Boston P. Keutelian1 , A. Krishnamurthy1 , G. Chen1 , B. Ulmen1 , G.H. Miley1 1 University of Illinois at Urbana-Champaign, Champaign, IL, USA
Surface breaking cracks in conductive structures can be detected by conventional eddy current techniques. However, it is very difficult to detect inner layer defects in multilayered conductive structures either by conventional eddy... COMSOL Conference 2012, Boston V. Babbar1 , P. Whalen1 , T. Krause1 1 Department of Physics, Royal Military College of Canada, Kingston, ON, Canada
Multiphysics processes manifest in turbo-generators due to the leakage electromagnetic field of the stator and rotor end winding and its associated effects at machine frontal end. Such processes are a compilation of coupled phenomena... COMSOL Conference 2012, Milan E.A. Badea1 , J. Oesterheld1 , S. Friedel2 , M. Olsson3 1 Alstom Schweiz, Birr, Switzerland 2 COMSOL, Zürich, Switzerland 3 COMSOL, Stockholm, Sweden
A scheme for inductive wireless powering and readout of passive LC sensor is presented. The sensor’s inductor is designed as a planar square coil and is used as the power receiving component. The capacitor is connected directly to the... COMSOL Conference 2012, Boston D.A. Sanz Becerra1 , E.A. Unigarro Calpa1 , J. Osma1 , F. Segura1 1 Universidad de los Andes, Bogotá, Colombia
There is limited option for non-intrusive flow measurement of liquid metals at high temperature. Liquid metal flowing in a conduit along with the transverse magnetic field induces emf in the liquid metal. The emf developed; which has... COMSOL Conference 2012, Bangalore S. Sahu1 , R. P .Bhattachryay1 , E. R. Kumar1 1 Institute for Plasma Research, Bhat, Gandhinagar, Gujarat, India.
The design challenge for thermostimulation equipment is to get a combination of high electric field strength and high temperature within the muscle tissue without causing pain or skin burns. In the present work, COMSOL Multiphysics is... COMSOL Conference 2012, Milan J. Kocbach1 , K. Folgerø1 , L. Mohn2 , O. Brix3 1 Christian Michelsen Research, Bergen, Norway 2 Luzmon Norway, Bergen, Norway 3 Michelsen Medical, Bergen, Norway
In this paper an attempt has been made to design and analyze integrated circuit interconnects for unshielded four conductors with three levels system using Finite Element Method (FEM). The computational and simulation work has been... COMSOL Conference 2012, Boston S.M. Musa1 , M.N.O. Sadiku1 , J.D. Oliver1 1 Prairie View A&M University, Prairie View, TX, USA
The design of modern electric insulation devices for medium and high voltage (HV) applications requires computational work that goes beyond solving just a Laplace equation for the electric potential, and limiting the electric field below... COMSOL Conference 2012, Milan T. Christen1 1 ABB, Corporate Research, Zürich, Switzerland
Introduction: The dual electromagnet configuration of Active Magnetic Levitation system (AML) where the electromagnets are locate opposite to each other, constitutes and single axis of the Active Magnetic Bearing. The same configuration... COMSOL Conference 2012, Milan A.K. Pi?at1 1 AGH University of Science and Technology, Kraków, Poland
In Pressurised Heavy Water Reactors (PHWRs), the fuel bundles are located inside horizontal pressure tubes made of Zr 2.5 wt% Nb alloy. During reactor operation, pressure tubes undergo corrosion reaction with the heavy water coolant... COMSOL Conference 2012, Bangalore K. Madhusoodanan1 , J. N. Kayal1 , P. K. Vijayan1 1 Bhabha Atomic Research Centre, Trombay, Mumbai, India
Linear wave propagation through inhomogeneous structures of size R?? (Fig.1) is a computationally challenging problem, in particular when using finite element methods, due to the steep increase of the number of degrees of freedom as a... COMSOL Conference 2012, Boston Y.A. Urzhumov1 , 2 , N.I. Landy1 , 2 , C. Ciraci2 , D.R. Smith1 , 2 1 Department of Electrical and Computer Engineering, Pratt School of Engineering, Duke University, Durham, NC, USA 2 Center for Metamaterials and Integrated Plasmonics, Pratt School of Engineering, Duke University, Durham, NC, USA
