Browsing Τμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering by Title
Now showing items 770-789 of 1036
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Second-harmonic generation in a sound beam reflected and transmitted at a curved interface
(2000)This article presents a model for second-harmonic generation in a sound beam that is reflected from or transmitted through a curved interface. Propagation in homogeneous fluids is assumed. Simple analytic solutions are ...
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Conference Object
Sedimentation of heavy crystal particles under microgravity conditions
(American Institute of Aeronautics and Astronautics Inc, AIAA, 1998)Crystals grown from specially prepared liquid solutions have important industrial applications such as in biochemical processes, refining etc. The efficiency of these crystals is usually a function of their size. Therefore, ...
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Article
Self-demodulation of amplitude- and frequency-modulated pulses in a thermoviscous fluid
(1993)The self-demodulation of pulsed sound beams in a thermoviscous fluid is investigated experimentally and theoretically. Experiments were performed in glycerin at megahertz frequencies with amplitude- and frequency-modulated ...
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Self-diffusivity, hydrogen bonding and density of different water models in carbon nanotubes
(2008)In this paper, the density, hydrogen bonding and self-diffusivity of water confined in carbon nanotubes are investigated. Molecular dynamics is used to simulate a large variety of nanotubes with various water models. Our ...
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Semi-interpenetrating polymer networks with predefined architecture for metal ion fluorescence monitoring
(2016)The development of new synthetic approaches for the preparation of efficient 3D luminescent chemosensors for transition metal ions receives considerable attention nowadays, owing to the key role of the latter as elements ...
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Semi-solid metal processing: “unlimited” flow velocity without turbulence in thin cast sections
(2014)The objective of this presentation is to show and explain why semisolid slurries can fill thin sections at seemingly unlimited flow velocity
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Semisolid metal processing: A new paradigm in automotive part design
(2000)Processing of metal alloys in their mushy state represents a new trend in metal processing. The process produces components with low porosity, high crack resistance along with fine microstructure and mechanical properties ...
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Conference Object
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Shear rejuvenation, aging and shear banding in yield stress fluids
(2009)The purpose of this work is to simulate shear rejuvenation and aging effects in shear thinning yield stress fluids in a typical rotational rheometer and to provide a common framework to describe the behavior of yield stress ...
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Short communication: Few-layer graphene-like flakes derived by plasma treatment: A potential material for hydrogen adsorption and storage
(2016)A novel, one-step, wet-free, environmental friendly and high-yield method for producing few-layer graphene powders with large surface areas (up to 800 m2/g) and narrow nanopore sizes (0.7–0.8 nm) using plasma-induced ...
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Article
Si nanostructures grown by picosecond high repetition rate pulsed laser deposition
(2013)One-step growth of n-doped Si nanostructures by picosecond ultra fast pulsed laser deposition at 1064nm is reported for the first time. The structure and morphology of the Si nanostructures were characterized by X-ray ...
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Sign reversal of the Hall effect in superconducting single crystals
(1996)For detwinned Ni-doped single crystals of (Formula presented) with (Formula presented), we have measured the in-plane longitudinal and Hall resistivities. The residual resistivity (Formula presented) extrapolated from ...
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Sign reversal of the Hall effect in YBa2(Cu1-x)3O7-δ single crystals
(1995)We have measured the in-plane Hall effect and in-plane resistivity of cobalt-doped YBa2Cu3O7-δ (YBCO) single-crystal samples. The concentration of cobalt ranged from 1 to 3%. As the applied field was varied, a sign reversal ...
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A simplified approach for the determination of fitting constants in Oliver-Pharr method regarding biological samples
(2019)The atomic force microscopy (AFM) nanoindentation regarding biological samples is a challenging procedure. Biological samples at the nanoscale can be considered as purely elastic materials under the condition that the ...
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A simplified structure-based model using standard turbulence scale equations: computation of rotating wall-bounded flows
(2006)Two linear eddy-viscosity models, the v2-f and k-ω models, have been combined with an algebraic structure-based algorithm for the evaluation of the Reynolds stresses. This closure was originally designed as an integral ...
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Conference Object
Simulation based design of a thermoelectric energy harvesting device for aircraft applications
(American Society of Mechanical Engineers, 2017)Maintenance is, amongst others, a key cost driver in aircraft operation. A wireless monitoring device might be able to reduce these costs. However, the supply of energy to such system via power lines would result in ...
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Simulation-based optimal design of heavy trucks by model-based decomposition: An extensive analytical target cascading case study
(2004)We present the findings of an extensive case study for the decomposed, simulation-based, optimal design of an advanced technology heavy truck by means of analytical target cascading. The use of a series hybridelectric ...
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Article
Simulations of nanoscale Ni/Al multilayer foils with intermediate Ni2Al3 growth
(2015)Nanoscale multilayers of binary metallic systems, such as nickel/aluminum, exhibit self-propagating exothermic reactions due to the high formation enthalpy of the intermetallic compounds. Most of the previous modeling ...
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Conference Object
Single-scale and multiscale models of tissue-equivalent mechanics
(Affiliation: Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN 55455, United StatesAffiliation: Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, United StatesAffiliation: Department of Computer Science, Colgate University, Hamilton, NY 13346, United StatesAffiliation: Department of Computer Science, Rensselaer Polytechnic Institute, Troy, NY 12180, United StatesCorrespondence Address: Chandran, P.L.Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN 55455, United States, 2005)