Mohd Hanapiah Mohd Yusoff
Faculty of Applied Science
MARA Technology University
In this presentation, a 1.31/1.55μm wavelength division multiplexer (WDM) based on a 1-D linear array photonic band gap (PBG) structure interconnected with an input/output 2-D PBG array is presented. The linear array coupler parameters were obtained using eigen-mode expansion (EME) aided by optimization techniques based on global and local simplex search algorithm. The design is verified ...
Los Alamos National Laboratory
Los Alamos, NM
In this presentation, the following modeling applications are considered: Heat treatment of carbon fiber-epoxy parts Growth and contact of corrosion spot Gas saturation in epoxy cartridges Design of mechanical assembly for corrosion All models are accompanied with a description of the physics, problem formulation as well as results from ...
W. Huaxiang, W. Jing, H. Li, and J. Weiwei
School of Electrical Engineering & Automation, Tianjin University, Tianjin, Taiwan
Sensing electrodes array model of 3-Dimensional ERT/ ECT dual modality is established by using the software COMSOL. According to the uniformity of sensitivity field distribution, the correlation coefficient and the reconstructed image space resolution, the ECT/ERT dual modality sensing electrode arrays are optimized. Experimental results show that the optimized sensing electrode array of the ...
Y.-C. Chan1, F.-Y. Li1, and C.-T. Lin2
1Department of Chemistry, National Chung Hsing University, Taiwan
2Department of Applied Mathematics, Providence University, Taiwan
The purpose of this study is to design a chamber for exposing hamsters to nanoparticles and to therefore examine the toxicity of that particular kind of nanoparticles. This simulation was employed to study the fluid dynamic behavior of the nanoparticle inside the chamber to determine the optimal conditions for the location and flow speed of the inlet for nanoparticles and a carrier, inert ...
C. Del Vecchio
INAF-OAA, Firenze, Italy
The thin shell of the LBT Adaptive Secondary Mirror has been manufactured, optically polished, and delivered. The operations and tests required before finally mounting it on the telescope have to be run very carefully, as they imply loads completely different from the ones of the adaptive operational modes - studied in the past with very encouraging results. Deformations and stresses that occur ...
J. Frassy1, C. Lecot2, M. Murariu1, C. Delattre3, and A. Soucemarianadin1
1Université Joseph Fourier, Grenoble, France
2Université de Savoie, Le Bourget-du-Lac, France
3LETI, CEA, Grenoble, France
We present results of simulations of a thin liquid film flowing down an inclined plane. Within the lubrication approximation, and assuming complete wetting, the film height is the solution of a time-dependent non-linear fourth order partial differential equation, which is solved using COMSOL.Appropriate initial and boundary conditions are proposed and the influence of the height of the precursor ...
Design of Three Phase Homopolar Synchrone Reluctance Machine with Double Statoric Winding and Double Massive Rotor
C. Belalahy, I. Rasoanarivo, S. Rael, and F. M. Sargos
GREEN Institut National Polytechnique de Lorraine, Vandoeuvre lès Nancy, France
This paper deals with the design of a three phase synchronous reluctance machine constituted by two stators and two massive rotors. A coil is placed in the stator, between the two salient poles of the rotor. These poles can have parallel or perpendicular axes. Such structures allow the rotor to work as an inertial load and provide high dynamic performances with regards to energy conversion, a ...
A. Della Savia
SAES Getters Group, Lainate, Italy
Getter materials need to be activated in a vacuum system, where induction heating is one of the fastest processes. In this case, eddy currents generated by high frequency AC in a coil surrounding a bulb heat the materials.The temperature profile inside these items depends on geometry configurations, along with the coupling of the samples and material properties.In this article we analyze the ...
Design of heat flux microsensor assisted by COMSOL for the study of energy transfer on Si and Cu thin samples
L. Bedra, N. Semmar, A.-L. Thomann, R. Dussart, J. Mathias, and Y. Tessier
GREMI, CNRS-Université d'Orléans, Orléans, France
A commercial heat probe is used for energy transfer measurements on copper and silicon substrates. To do so, the micro sensor has to be calibrated under high vacuum (~10-7 mbar), using a homemade black body as a heat source.Although the HFM is cooled at 5 oC, the solid surface temperature is unknown as the thermal contact resistance. Thus, COMSOL simulations are also used to obtain reliable ...
Simulated Suspended Solid Concentrations of Secondary Clarifiers in the Activated Sludge Process using the COMSOL Multiphysics Program
C. Gavrila1, and I. Gruia2
1Technical University of Civil Engineering, Bucharest, Romania
2University of Bucharest, Bucharest, Romania
An activated sludge system accomplishes an enhanced biological purification of wastewater, and is the most frequently used system to purify such.The purification of wastewaters are dynamical systems, operating under important and uncontrolled variations of concentration and composition of the polluting substances. Mathematical models are essential for describing, predicting, and controlling these ...