etd AT Indian Institute of Science: Recent submissions
Now showing items 241-260 of 6753
-
Emergence and Propagation of Aerodynamic Instabilities in Centrifugal Compressors with Vaned Diffusers: Effect of Solidity and Stagger
Centrifugal compressors are widely employed in turbochargers and small gas turbines due to their ability to achieve high compression per stage. These compressors consist of a rotating impeller and a static diffuser, which ... -
Dual-Mode Operation of Grid-tied Inverters: Modeling, Islanding Detection and Transfer of Control
Increased penetration of renewable energy sources like solar and wind is fundamentally altering the power flow dynamics in modern distribution networks. These distributed generations (DG) boost system reliability by enabling ... -
Elucidation of the structure-function relationship of the Saccharomyces cerevisiae HORMA domain-containing proteins Hop1 and Rev7
DNA-based transactions like replication, repair, recombination and transcription are central to survival, inheritance and evolution. Not surprisingly, these mechanisms are tightly regulated by a myriad of protein-protein, ... -
Invariants Associated with Complete Nevanlinna-Pick Spaces
The broad aim of this thesis is to study certain tuples of bounded operators that satisfy an operator inequality arising from a complete Nevanlinna-Pick kernel. Specifically, we focus on two invariants of these operator ... -
Maps Between Non-compact Surfaces
This thesis focuses on studying proper maps between two non-compact surfaces with a particular emphasis on the topological rigidity and the Hopfian property. Topological rigidity is the property that every homotopy equivalence ... -
Sandwiched Hybrid Waveguide Platform for Integrated Photonics Applications
Guided wave optical technology, made possible by the invention of lasers and low-loss optical fibers, has revolutionized communication over the past century. With their high bandwidth capabilities, optical fibres have ... -
On structure preserving numerical schemes for hyperbolic partial differential equations and multiscale kinetic equations
Natural phenomena are frequently represented through the formulation of differential equations, coupled with specific initial and boundary conditions. Many such models possess inherent structures that are crucial in ... -
Studies on the mechanisms of action and the physiological roles of MutT1 in mycobacteria
Mycobacterium tuberculosis (Mtb), a pathogenic bacterium, thrives and proliferates inside host macrophages, encountering a high level of reactive oxygen species and reactive nitrogen intermediates which is generated by the ... -
Investigation of Microbes and Blood Plasma Towards Implications in Biomedicine: A Raman Spectroscopic Study
Raman spectroscopy, combined with artificial intelligence, is becoming increasingly popular in biology because of its sensitivity to molecular changes. This thesis discuss the applications of Raman spectroscopy in analysing ... -
Investigations on Single DC Source Hybrid Multilevel Topologies with Extended Linear Modulation Range for Variable Speed Drives
Multilevel inverters (MLIs) are preferred for high and medium power applications due to their numerous advantages over traditional two-level inverters. MLIs generate output phase voltages with multiple levels, mitigating ... -
Developing Decision Support for Electric Vehicle (EV) Adoption & Charging Infrastructure Planning
Majorly reliant on petroleum products, the transportation sector accounts for 25% of the global energy demand and 23% of carbon dioxide emissions. Among all the modes of transportation, road vehicles are the primary sources ... -
Developing SCR Plate Catalysts for Sustainable NOx Reduction in High Dust Thermal Power Plants
The primary aim of this research is to address NOx emission reductions from high ash/dust environments of coal-driven thermal power plants prevalent in India and other regions using low-grade coal with significant fly ash ... -
Hexagonal boron nitride incorporated polymer nanocomposites for water remediation
The isolation of graphene in 2004 sparked a revolution in the study and applications of 2D nanomaterials in various disparate fields. Separation technology is no exception. 2D nanomaterials possess numerous desirable ... -
Modelling Multimodal Mode Choice Behaviour with Spatial Variability in Level of Service Attributes
Cities worldwide are grappling with declining public transit usage, primarily due to insufficient spatial coverage of mass transit corridors in sprawling urban regions and inadequate first- and last-mile connectivity options ... -
On-Chip Photonics for Spectroscopy and Sensing
On-chip photonics for spectroscopy and sensing refers to the integration of photonic components and devices onto a single semiconductor chip to enable efficient and compact spectroscopic and sensing applications. Traditional ... -
Interface Engineering and Optimization of Methylammonium Lead Iodide-Based Perovskite Solar Cells: From Fabrication Processes to Performance Enhancement
Perovskite solar cells (PSCs) have emerged as a promising technology for efficient and cost-effective photovoltaic energy conversion. Among the various perovskite materials investigated, Methylammonium lead iodide (MAPbI3) ... -
Substituted Alkylammonium Layered Lead Halide Perovskites: An Experimental and Computational Study
Organic-inorganic hybrid metal halide perovskites have emerged as a new class of semiconducting materials with potential applications in solar devices, catalyzed by the remarkable power conversion efficiency of over 21% ... -
Complex magnetism and structural phase transition in correlated oxide systems
Perovskite and pyrochlore materials constitute a profoundly intriguing and extensively studied family owing to their diverse magnetic and structural properties. we thoroughly explored the structure and magnetism of the ... -
Aptamer-based approaches for multiplexed sensing applications
Biosensors offer high specificity, sensitivity, real-time recognition, and rapid response across various applications, including Medical Diagnostics, Environmental Monitoring, Food Safety, agriculture, Point-of-Care ... -
Mechanistic Investigation and Engineering of a Membrane-Bound Hydrocarbon-Producing Metalloenzyme
The pursuit of sustainable and environmentally friendly fuels, such as biofuels, is gaining attention as an alternative to diminishing fossil fuel resources. Consequently, there is a significant focus on the sustainable ...