Division of Mechanical Sciences: Recent submissions
Now showing items 161-180 of 2072
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Design and Fabrication of P3HT-Field Effect Transistors
The increasing demand for advanced sensing applications has highlighted the potential of hybrid systems combining silicon technology with organic field-effect transistors (OFETs). Silicon technology-based devices are ... -
In-situ Tribological Experiments to Study - The Effect of Contact Stresses on Raman Scattering
This thesis presents the design, development, and validation of novel instruments that enable in situ micro-Raman spectroscopic measurements at mechanically loaded interfaces: an indentation apparatus for static loading ... -
The keeper of Chronicles - Investigating calcium carbonate archives using clumped thermometry
Calcium carbonates (CaCO3) are the most abundant mineral archive for reconstructing past climate owing to their tendency to register the environmental condition during their formation. From biogenically mediated carbonates ... -
Design, Optimization and Field Validation of Low Head Hydro Powered Turbine Pumps and Piston Pumps for driving stream flows in the range 40-120 l/s and 5-20 l/s respectively
This thesis focuses on developing optimized self-operating pumps using flows and head of perennial streams or rivers for decentralized irrigation and drinking water supply needs of local communities living by the river ... -
Effect of Laser Shock Peening on Residual Stress and Mechanical behaviour of Aluminium alloy AA2219 Friction Stir Weld
The Aluminium alloy AA2219 is a precipitation-hardenable wrought alloy with copper as the major alloying element. Large-volume propellant tanks of space launch vehicles are manufactured by joining AA2219 alloy through ... -
Design and Characterization of a Pin-to-Water Plasma Reactor Setup for the Generation of High Strength Plasma Activated Water
Plasma-activated water (PAW), generated by non-thermal atmospheric plasma interaction with water, has emerged as a promising solution due to its potent antimicrobial, antitumor, and nitrogen fixation properties, with ... -
Noise, Vibration and Harshness (Nvh) and Energy Efficiency Analysis of Lubricant Oils in Boundary Lubrication Using Force-controlled Tribometers
Tribological performance and the Noise, Vibration, and Harshness (NVH) characteristics of lubricants are critical to ensuring the durability and comfort of mechanical systems, especially under boundary lubrication. Despite ... -
Experimental Study of Isolator Shock Trains in Confined Co-flowing Supersonic Streams
Futuristic high Mach number flight systems using advanced air-breathing propulsion technologies typically have multiple flow paths with supersonic flows that merge before exiting the vehicle. The supersonic-supersonic ... -
Spatio-temporal Dynamics in Droplet Combustion Under Diverse Flow Conditions
Spray combustion of liquid fuels is one of the most ubiquitous modes of combustion used in a wide range of applications ranging from IC engines for transportation to Gas turbines in propulsion systems, owing to the high ... -
Mucin-Based Photocrosslinkable Bioinks for 3D Bioprinting and Tissue Engineering
The growing demand for treatment strategies to address organ damage caused by chronic illness, trauma, and aging, along with the demand for disease models and drug testing, has spurred significant advancements in tissue ... -
Fabrication and Evaluation of Mixed Tissue Phantom for Medical Ultrasound Research
An unmet need exists for a non-ionizing, economical, and effective intraoperative medical imaging modality to guide orthopedic surgeries. In the last few decades, ultrasound imaging has been recognized as a cost-effective ... -
Transonic Shock Buffet in an Axial Flow Fan
Transonic shock buffet, a self-sustained shock oscillation resulting from shock-boundary layer interaction, is observed across a range of operating points on the performance map of a transonic axial flow fan. Shock ... -
Modelling Cable-driven Continuum Robots and their applications
Flexible robots have been gaining traction in real-world applications over their rigid counterparts for their favourable features such as flexibility, compliance, better manoeuvrability, lightweight construction and ability ... -
Multiscale modelling and design of multifunctional composites for microwave absorption applications
Microwave absorption materials (MAMs) are crucial for both long-standing aeronautical and emerging space security applications, with carbon-based materials traditionally dominating the field due to their exceptional strength ... -
Quantification of irrigation and crop water productivity using soil moisture dynamics
Estimating water budgets in agricultural fields is key to evaluating and improving water management. However, quantifying hydrological components remains a challenge, especially estimation of irrigation quantities and ... -
Simulating Natural Human Performance in Digital Human Model
Digital human models (DHMs) represent humans in a virtual environment and are widely used across various fields. In engineering design, DHMs are employed to analyze products or workplace ergonomically during the early ... -
Energy Loss in Elastic Plastic Low Velocity Impacrt In Presence of Electric Field
Impact phenomena are prevalent in various fields, including the impact between celestial bodies, particle dampers, sports mechanics, and granular media. Impacts between bodies often exhibit inelastic behaviour due to ... -
Development of Scalable UAV Swarm-based Cooperative Search and Mitigation Approaches for Wildfire Management
Climate change has significantly exacerbated wildfire seasons, increasing their frequency, duration, and scale of destruction. Globally, wildfires destroy approximately 400 million hectares of land annually, resulting in ... -
Intersection Planning in Multilane Aerial Corridors for UAVs
Humans have always been on a quest to improve the means of transportation. The evolution will inevitably lead towards autonomy in the operations of aerial and ground vehicles. As for the Uncrewed Aerial Vehicles (UAVs), ... -
Experimental investigation into the effect of transverse acoustic excitation over swirling flow and flame
Combustion in gas turbine combustors features complex coupling of fluid dynamics, heat release, and chamber acoustics. Most combustion systems have a tendency to self-excite large amplitudes of pressure and heat release ...