Browsing MS Theses - DO NOT EDIT by Title
Now showing items 569-588 of 665
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SOLDER JOINTS DESIGN OPTIMIZATION OF QFN PACKAGES FOR DIFFERENT BOARDS BY INVESTIGATING SOLDER JOINT RELIABILITY
(2017-05-30)Quad Flat No-lead package (QFN) is one of the most cutting-edge technologies emerged in the market, exhibiting high performance and efficiency with unparalleled cost effectiveness. QFN, a leadless package, is an ideal ... -
Solution To Incompressible Navier Stokes Equations By Using Finite Element Method
(Aerospace Engineering, 2010-11-01)The finite element method has become a popular method for the solution of the incompressible Navier-Stokes equations. High Reynolds number cases require fine meshes so computational efficiency becomes an important factor ... -
Solution To Multi Term Boltzmann Equation For Plasma Assisted Combustion
(Aerospace Engineering, 2010-11-01)Plasma assisted ignition and combustion (PAIC) is a technology where plasma is generated by high voltage, nano second pulse duration and high repetitive rate pulses. The high reduced electric field during the pulse allows ... -
Solution To Three Dimensional Incompressible Navier-stokes Equations Using Finite Element Method
(Mechanical Engineering, 2013-03-20)A primitive variable mixed order formulation of finite element method for solving three dimensional incompressible Navier-Stokes equations is presented. The method of weighted residuals is used to obtain the approximate ... -
Space Launch Vehicle Design: Conceptual Design of Rocket Powered, Vertical Takeoff, Fully Expendable and First Stage Boostback Space Launch Vehicles
(2018-02-15)Engineering design can be broken down into three phases: conceptual design, preliminary design, and detailed design. During the conceptual design phase, several potential configurations are studied towards the identification ... -
Spacecraft Formation Flight: Analysis Of The Perturbed J2-modified Hill-Clohessy-Wiltshire Equations
(Aerospace Engineering, 2007-08-23)With the recent technological gains made in satellite design and manufacturing, there has been great interest in utilizing a cluster of satellites to perform the same tasks performed by larger satellites. Historically, ... -
Spreading, Solidification And Remelting Behavior Of Liquid Metal Droplets Sequentially Impinging Onto A Metal Substrate
(Mechanical Engineering, 2007-08-23)The fluid dynamics and simultaneous solidification of two successive molten metal droplets impacting a flat substrate is investigated numerically. The primary objective is to investigate the effects of initial droplet and ... -
Spur Gear Analysis Using Mathcad
(Mechanical Engineering, 2012-07-25)In gear manufacturing applications, it is required to calculate surface stress and bending stress with minimum error. This thesis represents engineering calculation of bending and surface compression of external teethed ... -
Stable Reference Trajectory Modification For Handling Actuator Failure In Control Systems
(Aerospace Engineering, 2012-04-11)The issue of rapidly reconfiguring the reference trajectory under unanticipated actuator failures in order to regain lost performance or aircraft handling qualities is explored. The failures detected in real-time are ... -
Static And Dynamic Calibration Of A Multi-component Sidewall Force Balance For A Transonic Ludwieg Tube Wind Tunnel
(Aerospace Engineering, 2012-04-11)Experimentation involving transonic flow requires replicating not only the Mach number but also the Reynolds number. Improper matching of the Reynolds number affects the interaction between the shocks and boundary layer ... -
STATIC AND DYNAMIC FEA ANALYSIS OF A COMPOSITE LEAF SPRING
(2017-01-17)Composite materials are widely used in aeronautical, marine and automotive industries, because of their excellent mechanical properties, low density and ease of manufacture. Due to this increasing trend to utilize composite ... -
Static Response Calibration of 3D Printed Thin Walled Structures Using Fused Deposition Modelling
(2019-12-10)3-D printing has enabled flexible, tool-less fabrication that yields numerous benefits. One benefit is unique and complex structural arrangements that increase design freedom to minimize weight. Such arrangements can be ... -
STEADY STATE AND TRANSIENT ANALYSIS OF HEAT TRANSFER IN A POROUS FIN WITH RADIALLY OUTWARDS PRESSURE-DRIVEN FLOW
(2023-05-31)**Please note that the full text is embargoed until 05/15/2024** ABSTRACT: Thermal management and energy storage problems often utilize extended surfaces, also known as fins for enhanced heat transfer. Today fins are used ... -
Steady state and transient analytical modelling of non-uniform convective cooling of a microprocessor chip due to jet impingement
(2017-05-10)Heat removal from microprocessor chips with multiple regions of dynamic heat generation remains a critical technological challenge. Excessive temperature rise is undesirable for performance as well as reliability. Jet ... -
STOCHASTIC FINITE ELEMENT THERMAL ANALYSIS OF A BALL GRID ARRAY PACKAGE
(2018-05-14)This study provides an insight into the factors which have a major impact on the probability of failure of a Ball Grid Array package. A stochastic finite element analysis was done on the package using First-order reliability ... -
STRENGTH AND DAMAGE PROGNOSIS OF ADHESIVE BOND AND INTER-PLY HYBRID COMPOSITES BASED ON DIELECTRIC PROPERTIES
(2018-01-10)Composite materials have found their applications in a wide range of industries particularly in the aerospace and automotive sectors. This is because they are comparatively light-weight and provide a much better corrosion ... -
Stress Analysis For A Three Phase Plate With A Concentric Circular Inclusion By Deriving An Airy Stress Function
(Mechanical Engineering, 2011-07-14)This thesis derives the Airy stress function for a three phase plate that consists of two concentric circular inclusions and a matrix phase. It incorporates the elastic property of each phase as well as the geometry of the ... -
Stress Analysis In Curved Composite Due To Thermal Loading
(Aerospace Engineering, 2013-03-20)Many structures in aircraft, cars, trucks, ships, machines, tools, bridges, and buildings, consist of curved sections. These sections vary from straight line segments that have curvature at either one or both ends, segments ... -
Stress Analysis Of An Ellipsoidal Inclusion
(Mechanical Engineering, 2007-09-17)The focus of the present thesis is to develop a mathematical model to calculate the stresses inside an ellipsoidal inclusion present in an infinitely extended matrix region and to validate the mathematically derived model ... -
Stress Analysis Of Laminated Composite Beam With I-section
(Aerospace Engineering, 2010-07-19)The advantage of material properties and flexibility of choosing material have made composite materials a primary preference for structural application. Unlike isotropic materials, the parametric study of composite beams ...