G. Latha, P. Nair
SSN College of Engineering, Chennai, Tamil Nadu, India
In a solid core PCF, structural parameters and the number of rings in the cladding region decide confinement losses, dispersion coefficients as well as bending losses. This paper evaluates some of commercially available solid core photonic crystal fibers. The dispersion coefficients and sensitivity of these fibers are estimated using COMSOL Multiphysics®, and compared with the theoretical values ...
R. W. Pryor
Pryor Knowledge Systems, Inc., Bloomfield Hills, MI, USA
The conductivity of seawater directly correlates with the concentration of dissolved salts. This model demonstrates a new approach to the methodology of inductive conductivity measurement of seawater and other liquids. COMSOL Multiphysics® was used to build a parametrically swept model of an O-Core Inductive Conductivity Measurement Sensor for Seawater. This sensor model is built using the ...
D. Legendre , R. Zevenhoven ,
 Åbo Akademi University, Turku, Finland
While the processes taking place in a bubble reactor are simple to describe in a few sentences it is much more difficult to give a physical description that is useful for engineering purposes. A better understanding of a cluster of bubbles dissolving in a liquid where the species transferred reacts with other dissolved species is an interesting engineering challenge that could result in ...
L. Spicci, and M. Cati
The present paper describes the development of a full FEM model for linear array high performance 5MHz ultrasound imaging transducer. As a preliminary design, a mono dimensional electro-acoustical KLM model was realized, then the complete FEM was developed and optimized. The optimized transducer was manufactured, so that agreement between transducer measured performances and simulation ...
A.W.M. van Schijndel
Eindhoven University of Technology, Eindhoven, The Netherlands
COMSOL Multiphysics® has standard facilities to export models to SimuLink®. Normally, the standard export works well if the solvers, available in SimuLink, can handle the problem. However, if a model in COMSOL Multiphysics® needs special solvers, for example airflow or other non-linear problems, the standard export to SimuLink is often not suitable, because the standard solvers of SimuLink® ...
H. Kumar , V. Janyani , B. Oleh , U. Serhij , S. Dmytro , G. Singh ,
 Dept. of Electronics and Communication Engg., Malaviya National Institute of Technology Jaipur, India
 Inst. of Tele. Radioelectronics and Electronic Engg.,Lviv Polytechnic National University, Lviv, Ukraine
In this paper, all optical microring resonator based on Lithium Niobate on Insulator (LNOI) has been proposed. LNOI has high refractive index contrast and also show better electro-optic & acousto-optic effects. The optical ring resonator resonates when the optical path-length of the ring is equal to the integral multiple of the wavelength. The Wave Optics Module of COMSOL Multiphysics® software ...
L. Desgrosseilliers, and D. Groulx
A cornerstone of Chemical and Mechanical Engineering undergraduate programs the world over is the experimental and theoretical study of heat exchange. Graduating engineering students gain some appreciation in their lab course by comparing empirical correlations combined with the thermodynamics of heat exchange with the real operation of a counter-current, double pipe, single-phase heat exchanger.
E. Holzbecher, H. Räuschel
Georg-August Universität Göttingen, Göttingen, Germany
Borehole heat exchangers (BHE) in connection with heat pumps and floor heating in many countries are becoming an alternative to conventional heating or cooling systems using fossil resources. We describe how 1D components for heat transport in pipes can be coupled with a 2D or 3D component for the ground. Thermal conductances are derived for laminar, transitory and turbulent flow conditions in ...
B. Bisceglia, A. Brasiello, R. Pappacena, R. Vietri
University of Salerno, Department of Industrial Engineering, Fisciano (SA), Italy
Aim of the study is to determine the influence of some of the most important operating variables, especially humidity and temperature, of drying air on the performance of cooking process of pork meat. The process is simulated using finite elements software COMSOL Multiphysics®. The proposed model considers two geometries: cylindrical and parallelepiped, with fixed physical properties and ...
Dynamic Characterization and Mechanical Simulation of Cantilevers for Electromechanical Vibration Energy Harvesting
N. Alcheick, H. Nesser, H. Debeda, C. Ayela, I. Dufour 
Univ. Bordeaux, IMS Lab, Pessac, France
Energy harvesting from ambient vibrations has become an interesting topic for powering wireless sensor networks. Resonant microdevices based on MEMS have become of central importance at low frequency. The power produced at resonance is at least one order of magnitude larger than off frequency power since the largest strain is obtained at resonance. In order to obtain large strain for efficient ...