Browsing Division of Mechanical Sciences by Title
Now showing items 750-769 of 1795
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Improved laboratory and computational models for thermal core–mantle interaction
The Earth's magnetic field is generated by thermochemical convection within its fluid outer core. The near-stationary high-latitude magnetic flux concentrations in the present day field indicate that convective ... -
Improved Methods for Filtration, Drainage and Structural Evaluations With and Without Geocomposites for Subsurface Drainage of Pavements
Pavements are continuously exposed to the environment leading to ingress of water from multiple sources that structurally weakens the pavement materials. The conventional solution for drainage requires granular material ... -
Improved Numerical And Numeric-Analytic Schemes In Nonlinear Dynamics And Systems With Finite Rotations
(2010-04-13)This thesis deals with different computational techniques related to some classes of nonlinear response regimes of engineering interest. The work is mainly divided into two parts. In the first part different numeric-analytic ... -
Improved Solution Techniques For Trajectory Optimization With Application To A RLV-Demonstrator Mission
(2009-03-12)Solutions to trajectory optimization problems are carried out by the direct and indirect methods. Under broad heading of these methods, numerous algorithms such as collocation, direct, indirect and multiple shooting methods ... -
Improved Theory of Clathrate Hydrates
(2018-07-30)The current theoretical understanding of thermodynamics of clathrate hydrates is based on the van der Waals and Plattew (vdWP) theory developed using statistical thermodynamics approach. vdWP theory has been widely used ... -
Improvement of High Temperature Oxidation Behavior of ‘w’ Free Y strengthened Co-based Superalloys through Alloying Addition
The discovery of coherent g-g’ microstructure in Co-Al-W and Co-Al-Mo-Nb/Ta systems represents new possibilities for turbine engines materials. Their chemical and mechanical properties are similar to commercially successful ... -
Improvement of High Temperature Strength of Al and Co Alloy by L12 Type Coherent Precipitates
The present work aims at developing a new class of high temperature alloys based on ordered intermetallic compound that forms coherently with the matrix during solid state transformation. The chosen intermetallics have ... -
Improving High Temperature Strength of 2219 Al Alloy by Minor Alloying Additions
(2018-06-25)Among Al alloys, 2219 Al alloy possesses highest strength at elevated temperatures. However, the application of this alloy is also restricted to a maximum temperature of 150°C, above which, the strengthening precipitates ... -
In Situ Transmission Elecron Microscope Triboprobe For Tribological Studies Of Materials At Nanoscale
(2013-09-10)In most of the tribological experiments studying friction and wear behaviour, the contact interface is hidden. The present work attempts to overcome this hidden-interface problem by carrying out real-time tribological ... -
In-Cylinder Experimental and Modeling Studies on Producer Gas Fuelled Operation of Spark Iginited Gas Engines
(2018-08-10)The current work, through experimental and numerical investigations, analyses the process and cycle level deviations in engine response on fuelling multi-cylinder natural gas engines with producer gas. Producer gas is a ... -
In-Situ Polymer Derived Nano Particle Metal Matrix Composites Developed by Friction Stir Processing
(2018-08-10)Ceramic metal matrix composites (CMMCs) are materials generally created by mixing of hard ceramic particles in a metal matrix. They were expected to combine the ductility and toughness of the metal with the high strength ... -
Inactivation of Microorganisms by Photocatalysis
(2018-02-20)Photocatalysis is an advanced oxidation process, which has shown to possess an enhanced capability to remove a wide range of contaminants. It involves the use of a semiconductor photocatalyst and a photon source. Photocatalysis ... -
Inclusive and Eye-Gaze Controlled Human-Robot Interaction for Persons with Severe Speech and Motor Impairment
Most individuals perform various activities of daily living without having to con sciously think and plan about them. People talk, cook their food, move around the house, drive to their workplace and schools, play sports, ... -
Indentation Strength Of Piezoelectric Ceramics
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Influence of Chemical Coating on Droplet Impact Dynamics
(2018-03-09)Dynamic behavior of impacting water drops on superhydrophobic solid surfaces provides important details on the stability/durability of such solid surfaces. Multi-scale surface roughness combined with a layer of low energy ... -
Influence of Chemo-Mechanical Factors on Compression and Undrained Strengths of Soft Kaolinites Prepared using Synthetic Seawater
(2017-11-28)Marine clay deposits are characterized by very soft to soft consistencies (undrained strength 1-50 kPa), presence of saline pore solution and low-swelling clays. Besides, loss of metastable structure on disturbance, poor ... -
Influence of Contact Stresses on Shape Recovery in Sputter Deposited NiTiCu Thin Films
(2017-10-05)NiTiCu is a shape memory alloy that regains its original shape after large amount of shape changing deformation when heated above a critical temperature called reverse martensitic trans-formation temperature( Af). When ... -
Influence of Electric Field on the Global and Local Structure in the Ferroelectric Ceramic Na1/2Bi1/2TiO3 and its Solid Solutions with BaTiO3 and K1/2Bi1/2TiO3
(2018-08-14)Ferroelectric ceramics are very promising materials for a variety of piezoelectric applications such as high permittivity dielectrics, piezoelectric sensors, piezoelectric/electrostrictive transducers, actuators, electro-optic ...