• Transient and steady-state response of second and higher order non-linear systems  

  Srirangarajan, H R

  The present investigation deals with the transient flnfl steady-state response o£ second and higher order nonlinear systems. The method of attack consists of the ultraspherical polynomial approximation and the weighted ...

• On the mismatch between predicted and measured frequencies in model testing 

  Krishnamurthy, T. S.

  Mathematical models verified against ground test data are often necessary in the aerospace industry. They are used for predicting system performance in the intended as well as in any altered operating environments. They ...

• Some approximate methods of analysis of Non-Linear Dynamical systems 

  Sinha, Subhash Chandra

  The present investigation concerns some approximate methods of analysis in the area of non-linear oscillations. The analysis includes the steady-state as well as the transient response of non-linear systems. In both cases, ...

• Lay Tracks : New approach to automated quadrilateral mesh generation using MAT 

  Quadros, William Roshan

  This thesis describes Lay Tracks, a new mesh generation algorithm to automatically generate an all quad mesh using the medial axis transform (MAT). LayTracks combines the merits of two popular direct techniques for quad ...

• Understanding failure in heterogeneous materials 

  Dawara, Vineet Kumar

  The failure of heterogeneous materials is a practical problem that occurs in several diverse applications. Material heterogeneity can arise from porosity (e.g., due to some processing history), variation in continuum-scale ...

• A Capillary-fed Evaporative Microthruster for Micro/Nano Satellites 

  Sharma, Akshay

  Small satellites offer a unique platform for short-term and low-cost communications and surveillance missions. They are essential for, scientific research, and technology demonstration due to their ability to provide rapid ...

• Evaluation of Air Blast Swirl Injector: Flow-Field Hybrid RANS-LES Studies And Coupling With RANS Spray Characterization Colligating Global Combustor Characteristics-A Novel Exploration 

  Rana, Rampada

  The injector plays a critical role in combustion efficiency, flame stability, ignition, and combustor exit profile. The protocol of designing future engines meeting the requirements of lower emissions, noise, and the use ...

• Dynamics of Single Shallow Arches and Statics of Connected Shallow Arches and their Applications 

  Maharana, Priyabrata

  The methods developed in this thesis enable computationally efficient dynamic analysis of shallow arches. They also facilitate insightful design of arches for different applications. The first design study considers ...

• Development of a novel LPG/PNG domestic burner for high efficiency and low emissions 

  Kashyap, Rahul S

  Domestic cooking is one of the basic human needs, and cookstoves based on fuel combustion are widely used. LPG (Liquified Petroleum Gas) is the most common cooking fuel, followed by PNG (Piped Natural Gas), which has an ...

• Particle-laden Rayleigh-Benard convection 

  Srinivas, Thota

  Particle-laden flows are ubiquitous in nature and industries. For example, water droplets in clouds, fine dust particles in strong winds leading to dusty storms, dunes, ejection of solid particles and ash during volcanic ...

• One-domain simulation of fluid flow and heat transfer in the conjugate porous-clear media 

  Verma, Abhijit

  In this thesis, based on generalized porous flow model, we present a one-domain framework for the simulation of incompressible flow in superposed clear and porous media. The continuous change in the characteristics of the ...

• Studies on the application of plasma-assisted ignition for lean combustion 

  Athreya, Avaneesh V

  Non-thermal or non-equilibrium plasma is an emerging field in combustion science. Stable ignition of lean fuel-air mixtures continues to remain a challenge. The present work explores the potential of non-thermal plasma ...

• Single and twin liquid jet injection in crossflow: Influence of Mach number and jet spacing 

  Ramana, Kukkarasi

  Supersonic air-breathing engine development towards hypersonic vehicles is challenging due to flow complexities arising from compressibility effects. In these engines, the incoming crossflow air enters the combustor at ...

• In-situ Tribological Experiments to Study - The Effect of Contact Stresses on Raman Scattering 

  Singh, Mahesh Kumar

  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 ...

• Noise, Vibration and Harshness (Nvh) and Energy Efficiency Analysis of Lubricant Oils in Boundary Lubrication Using Force-controlled Tribometers 

  Divakaran, Adarsh

  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 ...

• Spatio-temporal Dynamics in Droplet Combustion Under Diverse Flow Conditions 

  Gautam, Vadlamudi

  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 ...

• Modelling Cable-driven Continuum Robots and their applications 

  Mahapatra, Soumya Kanti

  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 ...

• Energy Loss in Elastic Plastic Low Velocity Impacrt In Presence of Electric Field 

  Kasula, Vineethkumar

  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 ...

• Insights on the Evaporation and Precipitation of Pathogen-Laden Respiratory Droplets on Inanimate Surfaces 

  Rasheed, Abdur

  Disease transmission via fluid ejections from infected individuals is a critical public health concern, particularly in high-risk environments like hospitals, public transport, restaurants, and schools. Respiratory droplets ...

• Investigation of Consolidation Methods for Developing Load-bearing Structures from Lunar and Martian Regolith Simulants 

  Gupta, Nitin

  Lunar and martian surfaces provide ideal candidates for establishing extra-terrestrial human settlements, given their proximity to the earth and potential for harbouring water. Significant recent research has focused on ...

View more