Browsing Conférences, Colloques, Séminaires, Symposiums by Title
Now showing items 347-366 of 784
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Fault-Tolerant Control of Photovoltaic Panels
(Université des Frères Mentouri Constantine, 2013-02-17)In this work we present a fault-tolerant control strategy to extract the maximum power from photovoltaic (PV) Panels. The performance of PV panels is affected with different type of faults such as mismatch, shading, ... -
FAULT-TOLERANT CONTROL OF PHOTOVOLTAIC PANELS
(Université des Frères Mentouri Constantine, 2013-02-17)In this work we present a fault-tolerant control strategy to extract the maximum power from photovoltaic (PV) panels. The performance of PV panels is affected with different type of faults such as mismatch, shading, cell ... -
FIRST PRINCIPLES CALCULATION STUDY OF STRUCTURAL, ELECTRONIC AND MECHANICAL PROPERTIES OF YM2 (M: Cu, Zn) LAVES PHASES
(Université des Frères Mentouri Constantine, 2013-12-16)Structural, electronic and mechanical properties of main YCu2 and YZn2 binary Laves phases with C14, C15, C36 and CeCu2 in Cu-Y-Zn alloy are investigated by firstprinciples calculations. The related total energies versus ... -
FIRST-PRINCIPLE CALCULATIONS OF ELECTRONIC AND POSITRONIC PROPERTIES OF METALS TRANSITION HfC AND ZrC
(Université des Frères Mentouri Constantine, 2013-12-16)In this work we have performed a first-principles calculations in order to study the transition metals ZrC and HfC ; we used the method of plane waves FP-LAPW increased linearly. Potential for exchange and correlation, ... -
FIRST-PRINCIPLE CALCULATIONS OF THE STRUCTURAL AND ELECTRONIC PROPERTIES OF KClxBr1-x, KClxI1-x and KBrxI1-x
(Université des Frères Mentouri Constantine, 2013-12-16)Using first principles total energy calculations within the full potential linearized augmented plane wave (FP-LAPW) method, we have investigated the structural, electronic and thermodynamic properties of potassium halides ... -
FIRST-PRINCIPLES STUDY OF THE STRUCTURAL AND THERODYNAMIC PROPERTIES OF THE COMPLEXES K2PtCl6- STRUCTURE HYDRIDES Ca2OsH6
(Université des Frères Mentouri Constantine, 2016-10-31)We report the results of an ab initio study of the structural and thermodynamic properties of the Ca2OsH6 compounds using the pseudopotential plane-wave method within the framework of the density functional theory with ... -
First-principles Study of Tin Intergranular Segregation in Zirconium
(Université des Frères Mentouri Constantine, 2016-12-15)The Zirconium is the major component of zircaloy (2 and 4), this latter has a very weak thermal neutron absorption, satisfactory mechanical properties and good corrosion resistance at high temperature. For these reasons, ... -
FLARE TEST ON WELDED STEEL TUBES; 2D SIMULATION
(Université des Frères Mentouri Constantine, 2016-10-31)This work address the simulation of the flare test as it performed on tubes welded by HF (high frequency) induction. Usually, at ENTTPP (National company of pipe mill and processing of flat products) where the test is ... -
FLOTATION OF PHOSPHATE ORES WITH CARBONATED AND SILICEOUS GANGUE USING FATTY ACIDS AND AMINES
(Université des Frères Mentouri Constantine, 2013-02-17)Phosphate rock needs processing to reduce the content of gangue minerals such as carbonates, quartz to meet the requirements of the phosphate industry. In this paper the relationship between the flotation performance of ... -
FLOW DYNAMICS OF AN IMPINGING PLANE JET GENERATING SLOT TONES
(Université des Frères Mentouri Constantine, 2016-10-31)A plane jet, impinging on a slotted surface, was studied using Large Eddy Simulation LES. The slotted surface was placed a distance equal to four times the jet width. The Reynolds number, based on the jet width and the ... -
Fluid/Structure interaction in open channel using CFD approach
(Université des Frères Mentouri Constantine, 2015-11-26)The present work deals with a numerical study of three-dimensional incompressible free-surface flow in rectilinear channel of rectangular section over a parallelepiped obstacle placed on the channel bottom wall. The finite ... -
Forced Convection Heat Transfer and Fluid Dynamic of a Taylor•Couette Flow in a Horizontal Gap of a Heated Pipe
(Université des Frères Mentouri Constantine, 2016-12-15)The present work focuses on the numerical simulation of forced convective heat transfer and fluid dynamic of a Taylor•Couette flow in a gap of a horizontal annulus. Both the inner and the outer cylinder are isothermal with ... -
Formation and thermal stability of ternary silicides thin films formed by the reaction between Co-Ni layers and Si substrate
(Université des Frères Mentouri Constantine, 2016-12-15)In this work, we studied the formation and the thermal stability of silicides formedby thermal annealed ofCo/Ni/Si(100) systembetween300°C and 800°C using a conventional furnace. The obtained specimens were investigated ... -
GAS CHROMATOGRAPHY–MASS SPECTROMETRY DETERMINATION OF THE MIGRATION OF PHTHALATE PLASTICISERS FROM POLYVINYL CHLORID IN FOOD ALIMENTS
(Université des Frères Mentouri Constantine, 2016-10-31)In this study, the specific migration of epoxidized sunflower oil (ESO) and di-octyl phthalate (DOP) was addressed by using gas chromatography coupled with mass spectrometry. The test conditions were 12 days. Twelve ... -
GENERAL SYSTEM PARAMETERS OF A DISSIPATIVE TWO-MODES SQUEEZED STEADY STATE
(Université des Frères Mentouri Constantine, 2013-12-16)We give the most general Hamiltonian and dissipative channels for an open quantum system that contains two modes, and interacts with the environment via two dissipative channels, in such a manner that the system is ... -
Geometrical Optimization Study of a Tubular Adsorber of a Solid Adsorption Solar Cooling Machine
(Université des Frères Mentouri Constantine, 2013-02-17)This paper presents the study of a tubular adsorber of solar adsorption cooling machine. The modelling and the analysis of the adsorber are the key point of such studies, because of the complex coupled heat and mass transfer ... -
Glass forming ability and crystallization behavior of Nickel-based metallic glasses by electronic and calorimetric measurements
(Université des Frères Mentouri Constantine, 2016-12-15)Nickel–zirconium-niobium based amorphous alloys are promising hydrogen-selective membrane materials. It was produced by the rapid quenching method, this Amorphous alloys are a promising alternative to Pd alloy membranes ... -
GREEN SYNTHESIS OF α -FE2O3 NANOPARTICLES USING ROMAN NETTLE
(Université des Frères Mentouri Constantine, 2016-10-31)The environmental protection and remediation of environmental problems became major issues of the 21st century. However, nanotechnology is now regarded as a distinct field of research in modern science and technology. ... -
GROWTH SCENARIO OF ALN THIN FILM ON Si (100)
(Université des Frères Mentouri Constantine, 2013-12-16)Analysis of AlN thin films grown on Si (100) substrates, by DC magnetron sputtering, were made with XRD, SEM for structural and morphology properties. An examination of the evolution of c-axis preferential orientation ... -
Growth, structural and optical characterization of ZnO and CuO nanoparticles/ZnO nanorods
(Université des Frères Mentouri Constantine, 2016-12-15)ZnO nanorods (ZNRs) have been grown on pre-coated ITO glass substrates, and then coated with CuO nanoparticles by using a low cost and low temperature chemical solution method. The structural and optical properties of ZNRs ...
