نتایج جستجو برای: thermal fluidic transports
تعداد نتایج: 224143 فیلتر نتایج به سال:
We present a comprehensive study on a high reliability RF-MEMS switch with an active thermal recovery capability to counteract stiction. Applying finite element (FE) simulations we investigate the complete recovery process including mechanical, electrical, thermal and fluidic effects. The experimentally calibrated thermo-mechanical FE-model is used to extract key parameters of the recovery proc...
In this paper, a fluidic biosensor with possibility to fabricate by Micro-Electro-Mechanical Systems (MEMS) technology is proposed for biomedical mass detection and lab-on-chip applications. This is designed by electromechanical coupling of harmonic micromechanical resonators with harmonic springers as a mechanical resonator array. It can disperse mechanical wave along the array by electrostati...
Computation is an increasing for doing scientific research. It is expec engineers will need to engage and unders in order to work effectively with comput technologies, and methodologies. Towar leverage our previous work with SugarA learners to test their knowledge of applying engineering concepts. Applied c designing multidisciplinary systems inclu mechanical, fluidic, and thermal compo this me...
Based on a non classical plate theory, an analytical model is proposed for the first time to analyze free vibration problem of partially cracked thin isotropic submerged plate in the presence of thermal environment. The governing equation for the cracked plate is derived using the Kirchhoff’s thin plate theory and the modified couple stress theory. The crack terms are formulated using simplifie...
In this study we fabricated a silicon-based stamp with various microchannel arrays, and demonstrated successful replication of the stamp microstructure on poly methyl methacrylate (PMMA) substrates. We used maskless UV lithography for the production of the micro-structured stamp. Thermal imprint lithography was used to fabricate microfeatured fluidic platforms on PMMA substrates, as well as to ...
Title of dissertation: ELECTRO-THERMAL CODESIGN IN LIQUID COOLED 3D ICS: PUSHING THE POWERPERFORMANCE LIMITS Bing Shi, Doctor of Philosophy, 2013 Dissertation directed by: Professor Ankur Srivastava Department of Electrical and Computer Engineering The performance improvement of today’s computer systems is usually accompanied by increased chip power consumption and system temperature. Modern CP...
Recent studies of SWNT/polymer nanocomposites identify the large interfacial thermal resistance at nanotube/nanotube junctions as a primary cause for the only modest increases in thermal conductivity relative to the polymer matrix. To reduce this interfacial thermal resistance, we prepared a freestanding nanotube framework by removing the polymer matrix from a 1 wt % SWNT/PMMA composite by nitr...
As described in the previous chapters, optical tweezers have become a tool of precision for in vitro single-molecule investigations, where the single molecule of interest most often is studied in purified form in an experimental assay with a well-controlled fluidic environment. A well-controlled fluidic environment implies that the physical properties of the liquid, most notably the viscosity, ...
The miniaturization of integrated fluidic processors affords extensive benefits for chemical and biological fields, yet traditional, monolithic methods of microfabrication present numerous obstacles for the scaling of fluidic operators. Recently, researchers have investigated the use of additive manufacturing or "three-dimensional (3D) printing" technologies - predominantly stereolithography - ...
Nanofluids have an enhanced thermal conductivity compared with their base fluid. Although many mechanisms have been proposed, few of them could give a satisfactory explanation of experimental data. In this study, a mechanism of heat transport enhancement is proposed based on the cross coupling of thermal and electric transports in nanofluids. Nanoparticles are viewed as large molecules which ha...
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