Browsing Department of Mechanical and Aerospace Engineering by Title
Now showing items 296-315 of 916
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DEVELOPMENT OF PARAFFIN WAX AS A PHASE CHANGE MATERIAL FOR THERMAL MANAGEMENT IN ELECTRONIC SYSTEMS
(2016-05-10)Increasing development in electronic technologies has improved functionality and reduced physical constraints, while managing to impart higher power and performance in smaller and compact devices. As a result of this size ... -
Development Of Spectral And Wavelet Time-of-flight Methods For Propagating Shock And Detonation Waves
(Aerospace Engineering, 2009-09-16)An accurate time delay estimate for a propagating disturbance, including an estimate of its uncertainty, is important in many areas of science. Several techniques were developed for determining the propagation time of a ... -
Development of the Vehicle Configuration Compendium: A Comprehensive Data-Information-Knowledge System to Aid in High-Speed Vehicle Design
(2021-12-21)The conceptual design phase is the most crucial phase in hypersonic vehicle design. Choices made during this phase will have significant impact on the success of the overall project and the feasibility of the end-product. ... -
Development Of Three Block Thermal Compact Model And Verification Of Modified Linear Superposition Technique For Stacked Die
(Mechanical Engineering, 2007-08-23)Over the last few years an impressive amount of progress has been achieved in the field of compact modeling of chip packages. But available compact modeling methods could not address the issue of limitation on the mesh ... -
Development Of Ultra-high Temperature Material Characterization Capabilities Using Digital Image Correlation Analysis
(Aerospace Engineering, 2011-10-11)Ultra-high temperature deformation measurements are required to characterize the thermo-mechanical response of material systems for thermal protection systems for aerospace applications. The use of conventional surface-contacting ... -
DEVELOPMENT OF VIRTUAL SIMULATION FOR EVALUATION OF ROBOTIC ASSISTIVE ENVIRONMENT
(2021-08-18)Robotics research in virtual simulation has the advantage of reduced testing time, verification of algorithms on different systems before implementation, and cost-saving. Today’s simulation softwares are capable of providing ... -
Development of Vortex Box (VBOX) and Vortex Tip (VTIP) Filament Free-Wake Rotor Models
(2023-03-13)Rotor models span from simple static and first order expressions to high fidelity, numerical computations and across the spectrum each model is good for different purposes. The use of models has improved with time and ... -
Diffusion And Elastoplastic Analyses Of Polycrystalline Magnesium For Solid State Hydrogen Storage Application
(Mechanical Engineering, 2015)Solid state hydrogen storage can be an effective way of storing hydrogen as an energy source for mobile applications. The advantage includes high energy density, low setup cost, safe operation, abundance of metal hydrides, ... -
Direct Numerical Simulation of Homogeneous Isotropic Turbulence - A Methodology and Applications
(2018-12-13)Turbulence has been a topic of scientific research for years. Characterized by unorganized chaotic motion and irregular fluctuations, it persists as one of the most challenging topics in fluid mechanics despite volumes of ... -
Direct Numerical Simulation Of Interaction Of Detonation Wave With Homogeneous Isotropic Turbulence
(Aerospace Engineering, 2009-09-16)The propagation of a shock or detonation wave through a reactive mixture has been the subject of research for over a century. The basic understanding has been shaped by one-dimensional Euler models, namely, those of ... -
DROPLET-BASED MICROEXTRACTION OF DNA ENABLED BY ELECTROWETTING-ON-DIELECTRIC DIGITAL MICROFLUIDICS
(2020-01-06)In recent years there have been significant advances in micro/nanotechnologies employing miniaturized platforms to achieve efficient sample pre-processing, separation, and quantification processes. The idea of bringing ... -
Dymore Finite Element Analysis Of The Paired Blade Tiltrotor Conceptual Design And A Comparable Conventional Tiltrotor Design
(Aerospace Engineering, 2009-09-16)Increasing the solidity of tiltrotors above that of current designs presents challenges associated with control system packaging and control couplings. The paired blade rotor concept addresses these issues by placing two ... -
Dynamic Mode Decomposition Of Detonation Waves
(Aerospace Engineering, 2012-07-25)Dynamic mode decomposition is applied to study the self-excited fluctuations supported by transversely unstable detonations. The focus of this study is on the effect of forcing on the limit cycle solutions. Using DMD, only ... -
Dynamic Performance Of Offset-preloaded Two Pad Foil Bearings
(Mechanical Engineering, 2013-07-22)Commercial application of the air foil bearing (AFB) in microturbomachinary have been acknowledged. Absence of external pressurizing and lubricating system makes them light and compact. Simple construction, low friction ... -
Dynamic Simulation Of Multibody Systems In Simultaneous, Indeterminate Contact And Impact With Friction
(Mechanical Engineering, 2014-07-14)This research is focused on improving the solutions obtained using theory in contact and impact modeling. A theoretical framework is developed which can simulate the performance of dynamic systems within a real world ... -
Dynamic Stress From Transverse Impact On Flexural Beams
(Mechanical Engineering, 2010-03-03)Accurate prediction of stress from impact would be very useful to an engineer in the design and analysis phases of a project. Currently one must resort to finite element analysis and experimentation, both of which have ... -
Dynamic Thermal Management Of Multi Core Processors Using Core Hopping
(Aerospace Engineering, 2010-07-19)Multi core processors are the order of the day today. The demand for greater levels of performance and the consequent increase in design complexity have rendered the single core processor obsolete and resulted in more cores ... -
Dynamics and Control of Jumping Legged Robot
(2018-08-13)This research aims to studying the agility of legged robots particularly their interactions with the ground and achieve a jumping motion by using an operational space controller. Methods were developed to first formulate ... -
Dynamics And Control Of The Smart Maintenance And Inspection Robotic Free-flyer (SMIRFF)
The aim of the future space missions would be exploring near earth planets and asteroids. This would mean longer flight durations requiring a space habitat. Longer flight durations would require frequent maintenance and ... -
Dynamics of a pulse detonation engine driven linear power generator
(2019-12-16)The dynamics of a pulse detonation engine driven linear power generator were studied. For an ideal pulse detonation engine, the thrust generated is in the form of a piecewise function given by the Endo-Fujiwara model. ...