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Suchbegriff:

Studies on Electrostatic Field of a Resistive Plate Chamber

A. Jash[1], N. Majumdar[1], S. Mukhopadhyay[1], S. Chattopadhyay[4]
[1]Saha Institute of Nuclear Physics, Kolkata, West Bengal, India
[4]Variable Energy Cyclotron Centre, Kolkata, West Bengal, India

Resistive plate chambers (RPC) are fast gaseous detectors, having a simple design and construction, good time resolution and high efficiency. These are extensively used in high energy physics experiments. A large number of RPCs will be used as the main detector element for India’s mega ... Mehr lesen

Numerical Investigation of Strouhal Frequencies of Two Staggered Bluff Bodies

Eswaran M[1], P. Goyal[1], Anu Dutta[1], G.R. Reddy[1], R. K. Singh [1], K.K. Vaze[1]
[1]Bhabha Atomic Research Centre, Mumbai, India

A 2-D unsteady viscous flow around two cylinders is studied by numerical solutions of the unsteady Navier-Stokes equations with a finite element formulation using COMSOL Multiphysics®. The results of a numerical investigation of the Strouhal frequencies of two identical, stationary, ... Mehr lesen

Studying Crosstalk Trends for Signal Integrity on Interconnects using Finite Element Modeling

J. Grover[1], Dr. A. Gupta[1]
[1]Birla Institute of Technology and Science, Pilani-Pilani Campus,Rajasthan ,India

In high-speed digital design, strong electromagnetic coupling exists between adjacent transmission lines. This manifests itself in the form of crosstalk voltage induced on either line. Crosstalk is modeled in terms of capacitance and inductance matrices which are extracted using COMSOL ... Mehr lesen

Design and Optimization of Gas Sensor Testing Chamber using COMSOL Multiphysics®

K.Govardhan[1], K.Narmada[2], Nirmala Grace[3]
[1]VIT University, MEMS & Sensors Division, School of Electronics Engineering, Vellore, Tamil Nadu, India
[2]VIT University, Sensor System Technology, School of Electronics Engineering, Vellore, Tamil Nadu, India
[3]VIT University, Center for Nanotechnology Research, Vellore, Tamil Nadu, India

This study aims at the design and optimization of a Gas Sensing Chamber. The design takes advantage of the multiphysics simulation capabilities of COMSOL Multiphysics® to incorporate various physics such as CFD, Micro fluidics, Solid Mechanics, Electro thermal effects etc. The ... Mehr lesen

AC Electroosmosis and Dielectrophoresis for Trapping Spherical Particles between Rectangular and Triangular Electrodes

S. Narayan[1], H. Francis[1], S. Ghonge[1], D.N. Prasad[1], A. Sethi[1], S. Banerjee[1], S. Kapur[2]
[1]Department of Physics, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Hyderabad, Andhra Pradesh, India
[2]Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Hyderabad, Andhra Pradesh, India

We describe methods and results of simulations done for predicting behavior of particles in an aqueous solution under an applied AC electric field on electrodes of rectangular and triangular shapes. Here the two major effects which come into play are Dielectrophoresis and AC ... Mehr lesen

Design and Simulation of MEMS-based Piezoelectric Accelerometer

Siram Sai Krishna[1], Nuti Venkata Subrahmanya Ayyappa Sai[1], Dr.K.Srinivasa Rao[2]
[1]Lakireddy Bali Reddy College of Engineering, Mylavaram, Andhra Pradesh, India
[2]Professor & HOD, Dept. of Electronics and Instrumentation Engineering, Lakireddy Bali Reddy College of Engineering, Mylavaram, Andhra Pradesh, India

The Micro electro mechanical systems (MEMS) technology provides us a platform to interface between mechanical and electrical components. In this paper, we have designed MEMS accelerometer based on piezoelectric property, and simulated using COMSOL Multiphysics®. The design, which has ... Mehr lesen

Modeling of MEMS Based Bolometer for Measuring Radiations from Nuclear Power Plant

S. Nisitha[1], T. Satyanarayana[2], S. Sreeja[1]
[1]Department of EIE, Lakireddy Bali Reddy Engineering College, Mylavaram, Andhra Pradesh, India.
[2]NPMASS Centre, Department of EIE, Lakireddy Bali Reddy Autonomous Engineering College, Mylavaram, Andhra
Pradesh, India

There has been growing demand for high performance micro sensors capable of detecting nuclear radiations being released from various industries, Nuclear reactors. Radiations emitted from the radioactive materials are invisible and not directly detectable by human senses. Thus it is ... Mehr lesen

Finite Element Modeling of Five Phase Brushless Motor for High Power Density Application

KIRAN GEORGE[1], SHINOY K S[2]
[1]M A College of Engineering, Electrical and Electronics, Kothamangalam, Ernakulam,Kerala, India
[2]ISRO, Electrical and Electronics, Trivandrum,Kerala, India

The demand for high reliability motor drives increases every day, especially in aircraft where traditional, nonelectric systems (hydraulic, pneumatic) are being replaced by electrical actuators following the More Electric Aircraft (MEA) trend. Its pursuing involves the adoption of ... Mehr lesen

Design and Simulation of 3D MEMS Piezoelectric Gyroscope using COMSOL Multiphysics®

T.Madhuranath[1], R.Praharsha[1], Dr.K.Srinivasa Rao[1]
[1]Lakireddy Bali Reddy College of Engineering, Mylavaram, Andhra Pradesh, India

MEMS is the leading technology which combines both electronic and mechanical devices on a single microchip. Tracing the position of the object is an important problem in engineering. This can be addressed by Gyroscopes. These sensors are used to find orientation and angular velocity. ... Mehr lesen

A Computational Study of the Reynolds Piped flow Experiment

Sanidhya Painuli[1], Jayasankar Variyar[1]
[1]Vellore Institute Of Technology, School of Mechanical and Building Sciences, Vandalur Kelambakkam Road, Chennai, India

The study of interaction of fluid with matter assumes great significance for most engineering applications. The flow can be either turbulent or laminar, and different types of interactions arise out of these flow. In the introductory undergraduate course of fluid mechanics, a typical ... Mehr lesen

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