Browsing Mechanical Engineering by Issue Date
Now showing items 61-80 of 465
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Global existence and blow-up of solutions for a general class of doubly dispersive nonlocal nonlinear wave equations
(Elsevier, 2013-01)This study deals with the analysis of the Cauchy problem of a general class of nonlocal nonlinear equations modeling the bi-directional propagation of dispersive waves in various contexts. The nonlocal nature of the problem ... -
Impact of pad conditioning on thickness profile control in chemical mechanical planarization
(Springer Science+Business Media, 2013-01)Chemical mechanical planarization (CMP) has been proven to be the best method to achieve within-wafer and within-die uniformity for multilevel metallization. Decreasing device dimensions and increasing wafer sizes continuously ... -
Design of a parallel robot for needle-based interventions on small animals
(IEEE, 2013-02)In this paper, a novel 5-degrees-of-freedom robot for performing needle-based interventions on small animal subjects is presented. The robot can realize dexterous alignment of the needle using two parallel mechanisms, and ... -
Integrating magnetic heads with plasmonic nanostructures in multilayer configurations
(IEEE, 2013-07)Heat-assisted magnetic recording (HAMR) is an emerging technology that has increased the areal density of conventional recording techniques for hard disc drives. Integrated heads have enabled this increase through localized ... -
Investigation of the refrigerator bottom cabinet cavity acoustic behavior
(2013-08)This thesis investigates the computational and experimental analysis for the acoustic behavior of a bottom cabinet cavity in a refrigerator. The finite element and analytical approaches are used in order to determine the ... -
Hot deformation behavior of ultra-fine grained pure Ti
(Trans Tech Publications, 2013-11)In the present study, compression tests were performed at a strain rate of 0.001 to 0.1 s(-1) and in the range of 600 degrees C to 900 degrees C to investigate the high temperature deformation behavior and flow stress model ... -
A torque matched aerodynamic performance analysis method for the horizontal axis wind turbines
(Wiley, 2013-11)An analysis method is developed to test the operational performance of a horizontal axis wind turbines. The rotor is constrained to the torque–speed characteristic of the coupled generator. Therefore, the operational ... -
High temperature deformation behavior of 4340 steel: activation energy calculation and modeling of flow
(Elsevier, 2013-12)The 4340 steel is extensively utilized in several industries including automotive and aerospace for manufacturing a large number of structural components. Due to the importance of thermo-mechanical processing in the ... -
A Cahn-Hilliard modeling of metal oxide thin films for advanced CMP applications
(ECS, 2014)Chemical mechanical planarization (CMP) process enables topographic selectivity through formation of a protective oxide thin film on the recessed locations of the deposited metal layer, while a continuous chemical oxidation ... -
Development of figure of merits for energy efficient LED lighting systems
(IEEE, 2014)Energy has been identified as one of the most important problems during the last few years. While energy generation and new energy resources are critical, energy efficiency in production, transportation and utilization are ... -
Effect of direct liquid cooling on the light emitting diode local hot spots? A computational and experimental study
(Begell House Inc, 2014)The increased popularity of solid state systems with the technological developments have led them to be a favorable choice for many lighting applications besides electronics. However, the development of denser high lumen ... -
Developing a standard measurement and calculation procedure for high brightness LED junction temperature
(2014)White light emitting diodes (LEDs) are appearing in general illumination applications. Clusters of such LEDs can replace an incandescent light bulb of equal luminosity on the merit of considerably low power consumption. ... -
An investigation into momentum and temperature fields of a meso-scale slot synthetic jet for a small jet-to-surface spacing
(Begell House Inc., 2014)Impinging synthetic jets have been identified as a promising technology for cooling miniature structures. Recognizing their thermal performance on the target surface requires a fundamental understanding of the momentum ... -
Improving selectivity on germanium CMP applications
(ECS, 2014)In the presented paper, the adsorption characteristics of cationic and anionic surfactants on germanium and silica were studied in order to improve selectivity in germanium based shallow trench isolation chemical mechanical ... -
A computational and experimental study on a harsh environment LED system for vehicle exterior lighting applications
(IEEE, 2014)Effect of compact thermal packaging approaches and challenges are investigated for a next generation automotive LED lighting. A challenging three-purpose in one (3i1) highly packaged light emitting diodes (LEDs) lighting ... -
An investigation into momentum and temperature fields of a meso-scale synthetic jet
(IEEE, 2014)Thermal management has become a critical part of advanced micro and nano electronics systems due to high heat transfer rates. More constraints such as compactness, small footprint area, lightweight, high reliability, ... -
Effect of actuator deflection on heat transfer for low and high frequency synthetic jets
(IEEE, 2014)Synthetic jets are being investigated over the last four decades. Researchers have been interested in its unique applications for a wide range of flow control to thermal management of electronics applications. Synthetic ... -
Development of 3-D chemical mechanical polishing process for nanostructuring of bioimplant surfaces
(ECS, 2014)This study focuses on the development of a three dimensional chemical mechanical polishing (CMP) process to induce smoothness or controlled nano-roughness on the bio-implant material surfaces, particularly for an application ... -
Effect of optical design on the thermal management for the smart tv led backlight systems
(IEEE, 2014)Due to recent advances in electronics, lighting and communication technologies, SMART Televisions (TV) have become more affordable, and are rapidly eplacing old-fashioned LCD (liquid crystal display) TV technologies. These ...
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