Browsing Τμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering by Title
Now showing items 238-257 of 1036
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Article
Effect of vacancy doping on the Haldane spin-liquid state in PbNi2-xMgxV2O8
(2002)The effect of spin-vacancy doping on the ground state of the quasi-one-dimensional S=1 quantum antiferromagnet PbNi2V2O8 is studied by X band as well as high-field ESR. A very broad ESR line is observed at low temperatures ...
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Book Chapter
Effective utilization of liquefied natural gas for distributed generation
(Nova Science Publishers, Inc., 2015)Liquefied natural gas (LNG) is considered a safe and transportable fuel and could become a fueling option for distributed generation applications, particularly in locations which are situated far from centralized power ...
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Article
Effects of air embolism size and location on porcine hepatic microcirculation in machine perfusion
(2014)
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Conference Object
Effects of periodic gravity modulation in microgravity convection systems
(Publ by ASME, 1993)Natural convection in an enclosure that is subjected to periodic excitations is investigated using a classical mixed Galerkin finite element method. The modulation is incorporated in the momentum equations, through a ...
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Article
Effects of rotation on the oscillatory flow over ripples
(2015)Large-eddy simulations (LES) of oscillating turbulent boundary layers, over a rippled bed, subjected to frame rotation are presented. This flowis archetypal of a bottom-ocean, tidally driven boundary layer developing over ...
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Article
Effects of selective water withdrawal schemes on thermal stratification in Kouris Dam in Cyprus
(2008)Thermal stratification and its seasonal variations in Kouris Dam in Cyprus were simulated, and the impact of five different water withdrawal schemes was studied, using the 2-D, laterally averaged CE-QUAL-W2 reservoir model. ...
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Article
Effects of the consistency of the fringing magnetic field on direct numerical simulations of liquid-metal flow
(2011)We investigate the effects of the consistency of strong fringing decreasing magnetic fields on numerical simulations of classical experimental data. Studies about fringing magnetic fields have attracted the attention of ...
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Article
Effects of the Sapphire Nitridation on the Polarity and Structural Properties of GaN Layers Grown by Plasma-Assisted MBE
(2001)The nitridation of the (0001) sapphire surface by a nitrogen rf-plasma source used in GaN molecular beam epitaxy has been investigated. Auger electron spectroscopy measurements were used to estimate the extent of the ...
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Article
Efficiency study of a commercial thermoelectric power generator (TEG) under thermal cycling
(2010)Thermoelectric generators (TEGs) make use of the Seebeck effect in semiconductors for the direct conversion of heat to electrical energy. The possible use of a device consisting of numerous TEG modules for waste heat ...
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Article
An efficient computational fluid-particle dynamics method to predict deposition in a simplified approximation of the deep lung
(2018)High-fidelity simulations of the complete airway tree are still largely beyond current computational capabilities. Towards large-scale simulations of the human lung, the current study introduces a numerical methodology to ...
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Article
An efficient computational fluid-particle dynamics method to predict deposition in a simplified approximation of the deep lung
(2018)High-fidelity simulations of the complete airway tree are still largely beyond current computational capabilities. Towards large-scale simulations of the human lung, the current study introduces a numerical methodology to ...
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Article
An efficient method for two-fluid incompressible flows appropriate for the immersed boundary method
(2019)The numerical simulation of two-fluid flows with sharp interfaces is a challenging field, not only because of their complicated physical mechanisms, but also because of increased computational cost. An efficient and robust ...
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Article
An efficient Navier-Stokes based numerical wave tank using fast Poisson solvers and the immersed boundary method
(2020)An efficient numerical model for wave induced flows and their interaction with impermeable coastal structures, is presented. Using recent developments in the field of two-fluid (water/air) Navier-Stokes (NS) simulations, ...
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Conference Object
Efficient Pressure-Correction Method for Interfacial Tracking Appropriate for the Immersed Boundary Method
(Springer International Publishing, 2019)Solving the Navier–Stokes equations to simulate incompressible two-fluid flows with interfaces, is still a developing scientific field. One of the main challenges, is the reduction of the computational cost which is still ...
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Article
Efficient treatment of complex geometries for large eddy simulations of turbulent flows
(2004)Incompressible turbulent flow over a backward facing step at Reh=5100 is investigated by large eddy simulations (LES). The ratio of the oncoming boundary layer thickness δ to the step height h was set to 1.2. Additionally ...
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Article
Electrical, structural, and optical properties of sulfurized Sn-doped In2O3 nanowires
(2015)Sn-doped In2O3 nanowires have been grown on Si via the vapor-liquid-solid mechanism at 800 °C and then exposed to H2S between 300 to 600 °C. We observe the existence of cubic bixbyite In2O3 and hexagonal SnS2 after processing ...
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Article
Electrodeposited Nanostructured CoFe2O4 for Overall Water Splitting and Supercapacitor Applications
(2019)To contribute to solving global energy problems, a multifunctional CoFe2O4 spinel was synthesized and used as a catalyst for overall water splitting and as an electrode material for supercapacitors. The ultra-fast one-step ...
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Article
Electrohydrodynamic methods for the development of pulmonary drug delivery systems
(2018)Electrospinning and electrospraying are two highly versatile and scalable electrohydrodynamic methods, which have attracted considerable attention during the last years towards the fabrication of polymer-based drug delivery ...
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Article
Electrohydrodynamic methods for the development of pulmonary drug delivery systems
(2018)Electrospinning and electrospraying are two highly versatile and scalable electrohydrodynamic methods, which have attracted considerable attention during the last years towards the fabrication of polymer-based drug delivery ...
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Conference Object
Electron microscopy study of thermoelectric (BixSb1-x)2Te3thin film
(Springer Science and Business Media, LLC, 2015)In the present work, transmission electron microscopy (TEM) techniques were used in order to study the morphology and investigate the structural properties of a (BixSb1-x)2Te3(BST) thin film. The sample was fabricated on ...