Here you will find presentations given at COMSOL Conferences around the globe. The presentations explore the innovative research and products designed by your peers using COMSOL Multiphysics. Research topics span a wide array of industries and application areas, including the electrical, mechanical, fluid, and chemical disciplines. Use the Quick Search to find presentations pertaining to your application area.

Multiphysics and Simulation of MEMS based Bolometer for Detecting the Radiations in Nuclear Power Plants

K. Umapathi[1], S. Swetha[2], K. Ranjitha[2], K. Vinodh[2], K. Deebiga[1], R. Harisudarsan[1]
[1]United Institute of Technology, Coimbatore, TamilNadu, India
[2]Sri Krishna College of Engineering and Technology, Coimbatore, Tamil Nadu, India

High performance micro sensors are important to detecting special nuclear materials radiations in different fields to save the globe. This paper is mainly focused on to develop a MEMS based bolometer for detecting the nuclear radiation to provide the high security in Nuclear power Plants. A thermally sensitive micro metal plate is designed and placed on a substrate through micro thermal link. ...

Design and Implementation of MEMS based Blood Viscometer for INR Measurement

J. G. Immanuel[1], K. Poojitha[1], B. Viknesshwar[1], A. Gupta[1]
[1]PSG College of Technology, Peelamedu, Coimbatore, Tamil Nadu, India

The paper brings out the designing and implementation of blood viscosity monitoring device that gives us the INR to measure the effectiveness of anti coagulant medications .When a blood vessel is damaged, clotting cascade begins that results in blood clot. This process is affected by several medical conditions where it becomes mandatory for a patient to intake anti-coagulants. Thus to monitor ...

Polymer Nanowire based Impedance Biosensor

N. Das[1], C. R. Chaudhuri[1]
[1]Department of Electronics and Telecommunication, BESUS, Howrah, West Bengal, India

In this paper, we have proposed an impedance biosensor based on polymer nanowire (made of polyaniline) for efficient electric field mediated capture of biomolecules. Existing polymer nanowire based biosensors fail to achieve high sensitivity for low surface to volume ratio as the whole length of the nanowire is exposed to the analyte .Also biosensors are dependent on diffusion mediated capture ...

Design of Microneedle Array for Biomedicine

N. Mane[1], A. Gaikwad[1]
[1]Department of Instrumentation, Cummins College of Engineering, Pune, Maharashtra, India

Micro electro-mechanical system (MEMS) is rapidly growing area of interest for a broad spectrum of applications. One particularly fast-growing area is biomedical applications for micromaching technologies. One application of interest to the biomedical industry is the development of microneedles. MEMS technology brings new means for biomedicine field. Patch-based transdermal drug delivery offers ...

A Study of Geometrical Shape of Central Plate in Electrostatic Actuation

K. M. V. Swamy[1], B. G. Sheeparamatti[1], G. R. Prakash [1]
[1]Department of Electronics and Communication, Basaveshwara Engineering College, Bagalkot, Karnataka, India

This study is performed to know which central plate geometry is best suited for electrostatically actuated switch. The simulation is carried out in COMSOL Multiphysics, where user is free to model the geometry without depth knowledge about geometrical dependency of electrostatic. The study of the centrally suspended geometrical models such as circle, square and rectangle suspended by two short ...

Thermo Mechanical Analysis of Divertor Test Mock-up using COMSOL Multiphysics

Y. Patil[1], D. Krishnan[1], S. S. Khirwadkar[1]
[1]Institute for plasma research, Bhat, Gandhinagar, Gujarat, India

Divertor is act as an exhaust for the nuclear fusion reactor. Main function of a divertor is to remove the heat flux from the plasma. Plasma facing components of the divertor are made up of Carbon (Graphite/CFC) and tungsten like materials[1]. Hence these materials are exposed to the transient heat loads up to 10MW/m^2. Thermo mechanical behavior of Graphite test mock-up under the transient heat ...

Design Optimization of Waveguide Applicator for Microwave Hyperthermia Cancer Treatment

P. Kumar [1], S. Kalra[1], A. Marwaha[1]
[1]Department of Electronics and Communication Engineering, Sant Longowal Institute of Engineering Technology Longowal, Punjab, India

The optimized design of a waveguide applicator has been proposed for superficial microwave hyperthermia using COMSOL Multiphysics 3.5a. In microwave hyperthermia cancer treatment body tissue is exposed to high temperatures using external and internal heating devices. Non-Invasive or external hyperthermia is used to treat tumors that are in or just below the skin (superficial). Non-invasive ...

Development towards Non-invasive Breast Cancer Imaging using Novel Estrogen Conjugates Fluorescent Dye

Francis .K. J.[1], I. Jose[1]
[1]Christ University,Bangalore, Karnataka,India

Determination of Estrogen Receptor [ER] status is a key in detecting cancer pathogenesis at early stage. In our work we discuss Near Infrared Fluorescence [NIRf] Molecule Optical Imaging Diagnostic modality for early detection of breast cancer. A novel target-specific NIRf dye conjugate aimed at measuring Estrogen Receptor[ER] status was synthesized by ester formation between 17-? estradiol and ...

Scaling Effect in Air Gap MOSFET

R.V. Iyer[1], Vinay K.[1], A. R. Kamath[1], A. Goswami[1], A. Sharma[1], A. V. Joshi[1], A. Mishra[1], N. S. Pai[1], S. Chakraborty[1], Rakesh D.[1]
[1]PES Institute of Technology, Bangalore, Karnataka, India

This abstract addresses the effect of scaling in air gap MOSFETs and determination of functional relationship between scaling parameter and sensitivity, frequency response. The modelling of the MOSFET and its simulations has been carried out using COMSOL Multiphysics. An air Gap MOSFET in its simplest form can be imagined to be one obtained by replacing the dielectric in a MOSFET with air. The ...

Design and Simulation of Sensors to Detect Methanol

C. K. Subramaniam[1], Muthuraja[1]
[1]School of Electronics Engineering, VIT University, Vellore, Tamil Nadu, India

The Direct Methanol Fuel Cell (DMFC) working is dependent on the concentration of methanol in water before it is introduced in the anode. DMFC has a high energy density when generating electrical power from fuel, and is an attractive power source for portable devices. A fundamental limitation in DMFC technology is methanol crossover. In this process methanol diffuses from the anode through the ...