In this paper a thermal electric finite element method (FEM) analysis was used to investigate the thermal properties of individual electrically driven platinum micro-heaters. The geometric optimization for the micro-heater was performed... COMSOL Conference 2011, Bangalore V. Bansal, D. Kumar, B. Prasad, and A. Gujjar Electronic Science Department
The MEMS microphone is also called microphone chip or silicon microphone. The pressure sensitive diaphragm is etched directly into a silicon chip by MEMS techniques and is usually accompanied with integrated preamplifier. Most MEMS... COMSOL Conference 2011, Bangalore S. L. Pinjare, V. S. Nagaraj, S. N. Savitha, S. Kesari, M. S. Sagar, and K. R. Roshan Nitte Meenakshi Institute of Technology
A MEMS based Knudsen’s pressure gauge working in the range of 1e-5 mbar to 10 mbar is designed and simulated in COMSOL. The working principle is based on Knudsen’s forces that arise when two plates are held at different temperatures... COMSOL Conference 2011, Bangalore V. Sista, and E. Bhattarchaya Microelectronics and MEMS Lab Department of Electrical Engineering Indian Institute of technology Madras Chennai, India
An Archimedean Spiral antenna is the common frequency independent antenna which have very large bandwidth. Archimedean Spiral antenna are circularly polarized and typically have radiation patterns with peaks perpendicular to the plane of... COMSOL Conference 2011, Bangalore G. Miranda1 , N. S. Pamidighantam1 , R. V. Iyer2 , S. Shukla3 , P. Suresh3 , and P. M. Soundarajan3 1 Department of Telecommunications, PESIT, Bangalore,Karnataka,India 2 Department of Science and Humanities, PESIT, Bangalore,Karnataka,India 3 DARE,Bangalore,Karnataka,India
‘Metamaterial’ is one of the most recent topic in several areas of science and technology due to its vast potential in various applications. These are artificially fabricated materials which exhibit negative permittivity and/or... COMSOL Conference 2011, Bangalore C. Rajni1 , and A. Marwaha2 1 Shaheed Bhagat Singh College of Engineering And Technology, Ferozepur, Punjab, India 2 Sant Longowal Institute of Engineering And Technology, Sangrur, Punjab, India
This paper presents the ill-effects of EM exposure through experiment, simulation and modelling using COMSOL Multiphysics. Biological Effects of microwave radiations on living creatures are studied supported with the practical results. COMSOL Conference 2011, Bangalore K. Singh, N. Kothari, and S. Choudhary Electronics and Communication Engineering Department Geetanjali Institute of Technical Studies Dabok, Udaipur Rajasthan, India
An inactive Demonstration facility for the integrated pyroprocess, named High temperature Electrorefining (HTER) facility is in developing stage. This facility is equipped with several types of pyroprocess equipment such as... COMSOL Conference 2011, Bangalore S. Agarwal1 , S. P. Ruhela1 , B. Muralidharan1 , B. P. Reddy2 , B. K. Sharma1 , K. Nagarajan2 , C. A. Babu3 , and K. K. Rajan1 1 Fast Reactor Technology Group, Indira Gandhi Centre for Atomic Research 2 Chemistry Group, Indira Gandhi Centre for Atomic Research 3 HBNI & CDG, Indira Gandhi Centre for Atomic Research
In this paper, we develop and analyze a standard piezoacoustic Tonpilz-transducer model for underwater acoustics in Comsol by addressing the attendant piezoelectric and pressure acoustic multiphysics phenomena. Transducer properties that... COMSOL Conference 2011, Bangalore V. Vadde, and B. Lakshmi G PESIT
High temperature super conducting (HTS) cables are gaining attentions for their ability to transmit more power compared to their convention counterparts with essentially no resistance and electromagnetic emissions. They are also... COMSOL Conference 2011, Bangalore G. Konar2 , R. K. Mandal1 , and N. Chakraborty2 1 Electrical Engineering Department, Seacom Engineering College, Dhulagar,West Bengal, India 2 Power Engineering Department, Jadavpur University, Kolkata, West Bengal, India
This paper projects a novel 3D capacitive accelerometer design to identify a severe accident and initiate airbag deployment systems. It will detect the rapid negative acceleration of the vehicle to avoid the severity of the collision.... COMSOL Conference 2011, Bangalore G. Vijila, S. Vijayakumar, M. Alagappan, and A. Gupta PSG College of Technology Coimbatore Tamil Nadu, India
The present work aims to develop a blood pressure sensor using MEMS/NEMS technology. A normal blood pressure detector is used externally, but this work mainly aims for designing an implantable nanotube based sensor for continuous... COMSOL Conference 2011, Bangalore M. Silambarasan, T. Prem Kumar, M. Alagappan, and G. Anju PSG College of Technology Coimbatore Tamil Nadu, India
Micro-tweezers have been widely investigated because of their extensive applications in micro-fluidics technology, microsurgery and tissue-engineering. It has been reported that thermal actuation provides greater forces and easier control... COMSOL Conference 2011, Bangalore V. S. Selvakumar, M. S. Gowtham, M. Saravanan, S. Suganthi, and L. Sujatha Rajalakshmi Engineering College Chennai, India
The tunable capacitor (variable capacitor) is one of the most important and components in filters, Phase shifters, VCO etc. A tunable capacitor can also be built using electro – thermal actuating mechanism. Compared to electro static,... COMSOL Conference 2011, Bangalore V. S. Nagaraja, N. Suma, and S. L. Pinjare Nitte Meenakshi Institute of Technology
Electrothermal actuators are capable of providing larger displacements compared to electrostatic actuators. Four designs for ETC actuators with the same material properties and same dimensions are studied. COMSOL Conference 2011, Bangalore A. R. Kalaiarasi, and S. H. Thilagar Annauniversity Chennai TamilNadu, India
The objective of this paper is to design a 3D Gas Sensor for sensing Hydrogen gas and to increase the conductivity at nano level. In this novel design, nanorods act as the sensing layer. The sensitivity towards gas adsorption is found to... COMSOL Conference 2011, Bangalore N. Gouthami, D. Parthiban, M. Alagappan, and G. Anju PSG College of Technology Coimbatore Tamil Nadu, India
This paper chalks out the design and performance of a piezo resistive surface micro machined circular diaphragm based pressure sensor. A structural deformation in the piezo resistive nano structure placed above the diaphragm will result... COMSOL Conference 2011, Bangalore S. A. Selvin, N. B. Moorthy, G. Anju, and M. Alagappan PSG College of Technology Coimbatore Tamil Nadu, India
Valveless micropumps have the advantage of being composed of least number of movable parts and hence can be used for long-term drug delivery applications. Their working principle is based on reciprocal forcing of fluid by an actuator... COMSOL Conference 2011, Bangalore S. Babu1 , and P. Manohar2 1 Department of Electrical and Electronics Engineering, M S Ramaiah Institute of Technology, Bengaluru, Karnataka, India 2 Department of Medical Electronics, M S Ramaiah Institute of Technology, Bengaluru, Karnataka, India
Micromirror is a versatile MEMS device, which finds use in many application areas. In this paper, we have addressed the issues related to the design and behavioral simulation of MEMS based electro-thermal micromirror [Figure 1] for 3D... COMSOL Conference 2011, Bangalore D. Mallick, and A. Bhattacharyya Institute of Radio Physics and Electronics University of Calcutta West Bengal, India
This paper presents a novel design of single-bit RF MEMS phase shifter. The basic novelty introduced for phase shifter design in this case, is by scaling down of the lateral dimensions of the conventional RF MEMS shunt switch by 10... COMSOL Conference 2011, Bangalore A. Chakraborty, A. Kundu, S. Chatterjee, and B. Gupta Jadavpur University Kolkata West Bengal, India
This paper presents a novel design of a RF MEMS Switch. The switch is a capacitive type, which is actuated by an electrostatic force. The structure of the switch consists of a CPW (coplanar waveguides) transmission lines and a suspended... COMSOL Conference 2011, Bangalore B. Mishra, M. P. S. Naidu, J. Raj, and Z. C. Alex VIT University Vellore Tamilnadu, India
