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Now showing items 3775-3794 of 8435
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Investigations on Graphene/Sn/SnO2 Based Nanostructures as Anode for Li-ion Batteries
(2018-05-01)Li-ion thin film battery technology has attracted much attention in recent years due to its highest need in portable electronic devices. Development of new materials for lithium ion battery (LIB) is very crucial for ... -
Investigations On High Rayleigh Number Turbulent Free Convection
(Indian Institute of Science, 2005-08-31)High Rayleigh number(Ra) turbulent free convection has many unresolved issues related to the phenomenology behind the flux scaling, the presence of a mean wind and its effects, exponential probability distribution ... -
Investigations on Hybrid Multilevel Inverters with a Single DC Supply for Zero and Reduced Common Mode Voltage Operation and Extended Linear Modulation Range Operation for Induction Motor Drives
(2018-01-01)Multilevel inverters play a major role in the modern day medium and high power energy conversion processes. The classic two level voltage source inverter generates PWM pole voltage output having two levels with strong ... -
Investigations on Hypersonic Laminar to Turbulent Boundary Layer Transition in a Shock Tunnel
The phenomenon of laminar to turbulent boundary layer transition has baffled researchers in high speed fluid dynamics and aerodynamics for over half a century. The reason for departure of ordered laminar boundary layer ... -
Investigations on Impinging Shock Wave and Boundary Layer Interactions in Hypersonic Flow
Shock boundary layer interactions (SBLIs) rank among the most fundamental problems in high-speed aerodynamics and are a primary concern in hypersonic flows. Shocks at hypersonic speeds are typically strong enough to separate ... -
Investigations on Increasing Linear Modulation Range in Hybrid Multilevel Inverter Fed Induction Machine Drives Regardless of Load Power Factor
Nowadays, multilevel inverters (MLIs) have become a promising alternative to the twolevel inverter in medium voltage high-power applications such as motor drives, active power filters, HVDC, electric vehicles, wind, and ... -
Investigations on Joule Heating and Associated Effects during Liquid Dielectrophoresis of Aqueous Droplets
Liquid dielectrophoresis (L-DEP) is an electrokinetic phenomenon in which a dielectric liquid with higher permittivity than the surrounding medium, when placed in a non-uniform electric field, moves towards the regions of ... -
Investigations On Lightning Surge Response Of Isolated Down Conductors
(2008-11-04)Lightning is a natural phenomenon involving transient high current discharge in the atmosphere. Cloud-to-ground lightning, wherein the discharge occurs between the cloud and the ground is quite hazardous to systems on the ... -
Investigations on Miniature Loop Heat Pipe with Flat Evaporator
The present investigation on a miniature loop heat pipe (LHP) with flat evaporator is motivated by two factors. Firstly, miniature loop heat pipes are required for thermal management of small electronics in spacecraft with ... -
Investigations on Multilevel Voltage Space Vectors Generated by Stacked and Cascaded Basic Inverter Cells with Capacitor Voltage Control for Induction Motor Drives
Induction motor drives (IMD) require a DC-AC inverter system to obtain variable frequency operation. Generally, IMD uses conventional 2-level inverters. The conventional 2-level inverter has its pole switching between zero ... -
Investigations on nuclear pulse-height analysis with applications to studies of radioactive minerals
Abstract not available -
Investigations on Online Boundary Variation Techniques for Nearly Constant Switching Frequency Hysteresis Current PWM Controller for Multi-Level Inverter Fed IM Drives
(2018-02-22)In DC to AC power conversion, voltage source inverters (VSI) based current controllers are usually preferred for today’s high performance AC drive which requires excellent dynamic and steady state performances at different ... -
Investigations on Photophysical Properties of Semiconductor Quantum Dots (CdxHg1-xTe,Ag2S) and their Interactions with Graphene Oxide, Organic Polymer Composites
(2018-02-07)The motivation of this thesis is to understand the physical properties of semiconductor quantum dots (QDs) and to get insight on the basic physics of charge separation in composites made from QDs with graphene oxide ... -
Investigations on Polygonal Voltage Space Vector Structure generation with lower order harmonic suppression using switched capacitive filter throughout modulation range for Drive Applications
Multilevel inverters (MLI) are widely used in a host of industrial applications ranging from renewable energy systems, to electric vehicles, to distributed generation. Due to the switching nature of the output voltage, MLI ... -
INVESTIGATIONS ON Positive Temperature Coefficient of Resistance OF POLYCRYSTALLINE BARIUM TITANATE
The way similar to monomerisation or at higher temperatures. CD studies indicated no major change in the secondary structure of the proteins of lipovitellins during chloroform absorption. The interaction of Ca²? and Na? ... -
Investigations on Product Purchase Behaviour of Domestic Air Travellers
The Indian civil aviation industry has emerged as one of the fastest-growing industries in the country. Compared to 99 airports in March 2018, nearly 200 operational airports are expected in India by 2040. However, the ...