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Browsing Mechanical Engineering by Title
Now showing items 12-23 of 23
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Graphene Array-Based Anti-fouling Solar Vapour Gap Membrane Distillation with High Energy Efficiency
(2019)New concept of solar vapour gap membrane distillation (SVGMD) is based on synergizing of nanochannel-guided water transport, localized heating, and membrane separation from feed solution.First-time introduction of the gap ... -
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Helicobacter pylori Couples Motility and Diffusion to Actively Create a Heterogeneous Complex Medium in Gastric Mucus
(2016)Helicobacter pylori swims through mucus gel by generating ammonia that locally neutralizes the acidic gastric environment, turning nearby gel into a fluid pocket. The size of the fluid zone is important for determining the ... -
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Modeling and evaluation of magnetic fluid deformable mirror with dual-layer actuators
(2019)In this paper, a rectangular magnetic fluid deformable mirror (MFDM) with dual-layer actuators is proposed, which is designed to improve the correction performance for full-order aberrations. Compared with the conventional ... -
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Numerical verification of the hydrodynamic reconstruction method for contact resonance atomic force microscopy
(2018)A numerical verification of an experimental method used to estimate hydrodynamic forces in contact resonance atomic force microscopy (CR AFM) is performed. The experimental estimation technique, known as the Hydrodynamic ... -
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Performance Analysis of Retrofitted Tribo-Corrosion Test Rig for Monitoring In Situ Oil Conditions
(2017)Oils and lubricants, once extracted after use from a mechanical system, can hardly be reused, and should be refurbished or replaced in most applications. New methods of in situ oil and lubricant efficiency monitoring systems ... -
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Scanning speed phenomenon in contact-resonance atomic force microscopy
(2018)This work presents data confirming the existence of a scan speed related phenomenon in contact-mode atomic force microscopy (AFM). Specifically, contact-resonance spectroscopy is used to interrogate this phenomenon. Above ... -
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State of the art on tribological behavior of polymer matrix composites reinforced with natural fibers in the green materials world
(2016)Natural fiber reinforced polymer composites have emerged as a potential environmentally friendly and cost-effective alternative to synthetic fiber reinforced composites. Therefore, in the past decade, a number of major ... -
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Technical Report: Advanced Transport Technologies for NASA Thermal Management/Control Systems
(2018-04-30)Thermal control of life-support, power electronics, and other systems is a key enabler for a variety of NASA space, air-flight, and monitoring technologies and is the topic of this research. An example system requiring ... -
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Tribological performance of self-lubricating aluminum matrix nanocomposites: Role of graphene nanoplatelets
(2016)In the present investigation, aluminum matrix nanocomposites reinforced by graphene nanoplatelets were synthesized by powder metallurgy method. The microstructure of the Al-Graphene nanoplatelets sample was investigated ... -
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Ultralow Lattice Thermal Conductivity of the Random Multilayer Structure with Lattice Imperfections
(2017)Randomizing the layer thickness of superlattices (SL) can lead to localization of coherent phonons and thereby reduces the lattice thermal conductivity kappa l. In this work, we propose strategies that can suppress incoherent ... -
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Versatile microrobotics using simple modular subunits
(2016)The realization of reconfigurable modular microrobots could aid drug delivery and microsurgery by allowing a single system to navigate diverse environments and perform multiple tasks. So far, microrobotic systems are limited ...