Division of Mechanical Sciences: Recent submissions

Now showing items 1861-1880 of 1945

    • Fundamental Studies On Tribological Response Of Titanium And Copper 

      Nagaraj, C M (2007-08-22)
      Friction and wear have been observed m mechanical systems when there is a relative motion between two solid bodies Friction mainly results in loss of energy and wear results in matenal loss The proper understanding of ...

    • Design And Analysis Of MEMS Angular Rate Sensors 

      Patil, Nishad (Indian Institute of Science, 2007-06-18)
      Design and analysis of polysilicon and single crystal silicon gyroscopes have been carried out. Variations in suspension design have been explored. Designs that utilize in-plane and out-of-plane sensing are studied. Damping ...

    • An Experimental Study Of Instabilities In Unsteady Separation Bubbles 

      Das, Shyama Prasad (Indian Institute of Science, 2007-06-11)
      The present thesis is an experimental study of some aspects of unsteady two dimensional boundary layers subject to adverse pressure gradient. An adverse pressure gradient usually leads to boundary layer separation or an ...

    • Studies On The Bioremoval Of Hexavalent And Trivalent Chromium Using Bacillus Polymyxa 

      Thyagarajan, Hemamalini (Indian Institute of Science, 2007-06-07)
      The removal of toxic and heavy metal contaminants from aqueous waste streams and industrial effluents is one of the most important environmental issues being faced the world over. In order to combat this problem, the ...

    • Kinetic Flux Vector Splitting Method On Moving Grids (KFMG) For Unsteady Aerodynamics And Aeroelasticity 

      Krinshnamurthy, R (Indian Institute of Science, 2007-06-07)
      Analysis of unsteady flows is a very challenging topic of research. A decade ago, potential flow equations were used to predict unsteady pressures on oscillating bodies. Recognising the fact that nonlinear aerodynamics is ...

    • Studies On Momentum, Heat And Mass Transfer In Binary Alloy Solidification Processes 

      Chakraborty, Suman (Indian Institute of Science, 2007-06-06)
      The primary focus of the present work is the development of macro-models for numerical simulation of binary alloy solidification processes, consistent with microscopic phase-change considerations, with a particular emphasis ...

    • Studies On Phase Inversion 

      Deshpande, Kiran B (Indian Institute of Science, 2007-06-04)
      Agitated dispersions of one liquid in another immiscible liquid are widely used in chemical industry in operations such as liquid-liquid extraction, suspension polymerisation, and blending of polymers. When holdup of the ...

    • Development Of A Single Cylinder SI Engine For 100% Biogas Operation 

      Kapadia, Bhavin Kanaiyalal (Indian Institute of Science, 2007-05-21)
      This work concerns a systematic study of IC engine operation with 100% biogas as fuel (as opposed to the dual-fuel mode) with particular emphasis on operational issues and the quest for high efficiency strategies. As a ...

    • 2D Compressible Viscous Flow Computations Using Acoustic Flux Vector Splitting (AFVS) Scheme 

      Ravikumar, Devaki (Indian Institute of Science, 2007-05-07)
      The present work deals with the extension of Acoustic Flux Vector Splitting (AFVS) scheme for the Compressible Viscous flow computations. Accurate viscous flow computations require much finer grids with adequate clustering ...

    • Experimental And Numerical Studies On Fatigue Crack Growth Of Single And Interacting Multiple Surface Cracks 

      Patel, Surendra Kumar (Indian Institute of Science, 2007-05-01)
      Design based on damage tolerance concepts has become mandatory in high technology structures. These concepts are also essential for evaluating life extension of aged structures which are in service beyond originally ...

    • Studies On The Combustion And Gasification Of Concentrated Distillery Effluent 

      Patel, Nikhil (Indian Institute of Science, 2007-04-24)
      The need for effective disposal of huge volumes of industrial waste is becoming more challenging due to expected imposition of stringent pollution control regulations in the near future. Thermochemical conversion, particularly ...

    • Structural Health Monitoring Of Composite Helicopter Rotor Blades 

      Pawar, Prashant M (Indian Institute of Science, 2007-04-18)
      Helicopter rotor system operates in a highly dynamic and unsteady aerodynamic environment leading to severe vibratory loads on the rotor system. Repeated exposure to these severe loading conditions can induce damage in the ...

    • Transition Zone In Constant Pressure Boundary Layer With Converging Streamlines 

      Vasudevan, K P (Indian Institute of Science, 2007-04-18)
      The laminar-turbulent transition in viscous fluid flows is one of the most intriguing problems in fluid dynamics today. In view of the enormous applications it has in a variety of fields such as aircraft design, turbomachinery, ...

    • Kinetics Of Polymerization And Degradation By Non-Conventional Techniques 

      Karmore, Vishal K (Indian Institute of Science, 2007-03-28)
      Non-conventional techniques for polymerization and depolymerization were investigated. The rates of polymerization were enhanced higher in ultrasonic, supercritical fluids and microwaves. However in these system under ...

    • Linear Instability Of Laterally Strained Constant Pressure Boundary Layer Flows 

      Tyagi, P K (Indian Institute of Science, 2007-03-26)
      The linear instability of laterally diverging/converging flows is an important aspect towards understanding the laminar-transition process in many viscous flows. In this work the linear instability of constant pressure ...

    • Structural Analysis And Forecasting Of Annual Rainfall Series In India 

      Sreenivasan, K R (Indian Institute of Science, 2007-03-15)
      The objective of the present study is to forecast annual rainfall taking into account the periodicities and structure of the stochastic component. This study has six Chapters. Chapter 1 presents introduction to the ...

    • Influence Of Joint Compliance On The Behaviour Of Space Structures 

      Pradyumna, M (Indian Institute of Science, 2007-03-06)
      Space structures are inevitable while covering large spans. Space structures are skeletal structures, which are lighter for the same stiffness when compared with RCC roofs. Till now, space structures, like any other metal ...

    • Numerical Modeling Of Jointed Rock Mass 

      Jade, (B) Sridevi (Indian Institute of Science, 2007-02-28)
      The behavior of jointed rock mass is very complex and is influenced by many factors such as location of joints, joint frequency, joint orientation and joint strength. A thorough review of literature on different aspects ...

    • Engineering Behaviour Of Ash-Modified Soils Of Karnataka 

      Muttharam, M (Indian Institute of Science, 2007-02-22)
      During a survey of black cotton soil zones of Karnataka, indigenously stabilized black cotton soil deposits were encountered in Belgaum, Bijapur, Bagalkot and Gadag Districts of Karnataka. These modified black cotton soils ...

    • Two Dimensional Numerical Modelling Of Variably Saturated Flows 

      Muthineni, Srinivas (Indian Institute of Science, 2007-02-21)
      The prediction of moisture and contaminant transport through unsaturated soil to ground water is becoming increasingly important in the fields of hydrology, agriculture and environmental engineering. Computer aided simulation ...