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    • Browsing Mechanical Engineering (ME) by thesis submitted date
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    • Mechanical Engineering (ME)
    • Browsing Mechanical Engineering (ME) by thesis submitted date
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    Browsing Mechanical Engineering (ME) by thesis submitted date"2008"

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    Now showing items 1-20 of 24

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      • Acoustic Source Characterization Of The Exhaust And Intake Systems Of I.C. Engines 

        Hota, Rabindra Nath (2010-07-15)
        For an engine running at a constant speed, both exhaust and intake processes are periodic in nature. This inspires the muffler designer to go for the much easier and faster frequency domain modeling. But analogous to ...
      • Breakout Noise From The Coupled Acoustic-Structural HVAC Systems 

        Venkatesham, Balide (2010-07-19)
        Noise control in the heating, ventilation and air-conditioning (HVAC) systems is one of the critical design parameters in measuring the occupant comfort. The noise generated by air-handling units propagates through the ...
      • A Comparative Study Of Different Numerical Techniques Used For Solving Incompressible Fluid Flow Problems 

        Kumar, Rakesh (2010-06-03)
        Past studies (primarily on steady state problems) that have compared the penalty and the velocity-pressure finite element formulations on a variety of problems have concluded that both methods yield solutions of comparable ...
      • A Comparative Study Of The Numerical Techniques Used In The Wrinkling Analysis Of Membranes 

        Patruni, Pavan Kumar (2010-07-19)
        This work is a comparative study of the various numerical techniques used for analyzing membranes. Membrane analysis is complicated by the fact that local instabilities occur in membranes in the form of small waves or ...
      • Condensation Heat Transfer Of R-134A On Micro-Finned Tubes : An Experimental Study 

        Sen, Biswanath (2010-06-04)
        Eco-friendly non-CFC refrigerants were introduced in the Air Conditioning and Refrigeration industry during the last few years to reduce damage to the stratospheric ozone layer. The HFC refrigerant R-134a, which has zero ...
      • Design Of Two-Axis Displacement-Amplifying Compliant Mechanisms Using Topology Optimization 

        Dinesh, M (2010-07-14)
        This thesis deals with the design of two-axis displacement-amplifying compliant mechanisms (DaCMs) using topology optimization. The two-axis compliant mechanisms considered here are XY positioners and two-axis inertial ...
      • Developement Of Aluminium Foam : An Experimental And Numerical Study 

        Jha, Kaushal (2010-07-06)
        Metal foams are lightweight structures and have large use in many components acting as impact energy absorbers. They have exceptional mechanical, thermal and acoustic properties. The design or selection of foam for packaging ...
      • Experimental Investigation Of Rheocasting Using Linear Electromagnetic Stirring 

        Pramod kumar, * (2011-02-09)
        In several applications of casting, dendritic microstructure is not desirable as it results in poor mechanical properties. Enhancing fluid flow in the mushy zone by stirring is one of the means to suppress this dendritic ...
      • Experiments On Natural Ventilation In A Room And Real Source-Sink Pairs 

        Subudhi, Sudhakar (2010-09-06)
        The present work consists of two parts: experimental study of natural ventilation in a model room and the flow associated with a source-sink pair. The first part describes the natural ventilation of a model room of size ...
      • Flow Over A Circular Cylinder With A Flexible Splitter Plate 

        Shukla, Sanjay Kumar (2010-07-08)
        Previous work on rigid splitter plates in the wake of a bluff body has shown that the primary vortex shedding can be suppressed for sufficiently long splitter plates. In the present work, we study the problem of a flexible ...
      • Fuel Filim Visualization And Measurement In The Inlet Manifold Of A Carbureted Spark-Ignition Engine 

        Prabhu, Nishikant Madhusudan (2013-10-01)
        In order to meet future emission norms for small carbureted SI engines, such as those used on motorcycles in India, there is a need to study mixture preparation, specifically the two-phase flow exiting the carburetor and ...
      • Laminar Conjugate Natural Convection And Surface Radiation In Horizontal Annuli 

        Shaija, A (2010-07-29)
        Numerical studies of two-dimensional laminar conjugate natural convection flow and heat transfer in horizontal annuli formed between inner heat generating solid cylinders and outer isothermal circular boundary are performed ...
      • Micro-PIV Study Of Apparent Slip Of Water On Hydrophobic Surfaces 

        Asthana, Ashish (2010-07-01)
        The condition of no relative velocity of fluid past solid is termed as ‘no-slip boundary condition’. This condition is a general observation in fluid mechanics. However, several research groups have recently reported slip ...
      • Numerical Simulations Of Void Growth In Ductile Single Crystals 

        Thakare, Amol G (2010-09-03)
        The failure mechanism in ductile materials involves void nucleation, their growth and subsequent coalescence to form the fracture surface. The voids are generated due to fracture or debonding of second phase particles or ...
      • Numerical Studies On Ductile Fracture Of Pressure Sensitive Plastic Solids 

        Subramanya, H Y (2010-07-08)
        Experimental studies have shown that the yield strength of many important engineering materials such as polymers, ceramics and metallic glasses is dependent on hydrostatic stress. In addition, these materials may also ...
      • Numerical Study Of Laminar And Turbulent Mixed Convection In Enclosures With Heat Generating Components 

        Tarasing, Bhoite Mayur (2010-07-29)
        The problem of laminar and turbulent conjugate mixed convection flow and heat transfer in shallow enclosures with a series of block-like heat generating components is studied numerically for a Reynolds number range of zero ...
      • A Prestress Based Approach To Rotor whirl 

        Pradeep, M (2010-06-02)
        Rotordynamics is an important area in mechanical engineering. Many machines contain rotating parts. It is well known that rotating components can develop large amplitude lateral vibrations near certain speeds called critical ...
      • Role Of Solid Phase Movement And Remelting On Macrosegregation And Microstructure Formation In Solidificaiton Processing 

        Kumar, Arvind (2010-08-25)
        Melt convection and solid phase movement play an important role in solidification processes, which significantly influence the formation of grain structures and solute segregations. In general, the melt convection and grain ...
      • Sedimentation Of Heavy Particles In Turbulence 

        Moharana, Neehar Ranjan (2010-08-06)
        Behavior of particles in buoyancy driven turbulent flow at Ra ≈ 10º is investigated experimentally. The volume fraction of the particles is low enough for the inter particle influence to be neglected, the mass loading ...
      • Stability Of Double-Diffusive Finger Convection In A Non-Linear Time Varying Background State 

        Ghaisas, Niranjan Shrinivas (2010-09-06)
        Convection set up in a fluid due to the presence of two components of differing diffusivities is known as double diffusive convection. Double diffusive convection is observed in nature, in oceans, in the formation of certain ...

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