Browsing Conférences, Colloques, Séminaires, Symposiums by Title
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0PTIMISATION DU TAUX DE CICATRISATION EN LINGOTIÈRE AU COURS DE LA COULÉE CONTINUE D’ACIER
(Université des Frères Mentouri Constantine, 20131216)During the continuous casting of steel, the solidification phase in the ingot mold is very important, and it is governed by three main factors that are thermal transfer, ingot mold oscillation and lubrication. So the ... 
2DNumerical Analysis of IDSVGS Characteristic In pcSi TFT's: Investigation of Inhomogeneous Structure
(Université des Frères Mentouri Constantine, 20130217)Transistors made of thin layers (Thin Film Transistor: TFT) are used primarily for the realization of active matrix flat panel displays liquid crystal. They constitute the basic element of a specific part of electronic ... 
3D NUMERICAL STUDY OF FLOW IN A SOLAR CHIMNEY POWER PLANT SYSTEM
(Université des Frères Mentouri Constantine, 20131216)Heat transfer process and fluid flow in a Solar Chimney Power Plant System used for natural ventilation are investigated numerically. Using the Spanish prototype plant as simulation object. Choosing calculative model and ... 
A COMPARATIVE STUDY OF Al5%Co2%Ti AND Al30%Co2%Ti ALLOY SYSTEMS
(Université des Frères Mentouri Constantine, 20131216)The present work focuses on the structural evolution and properties of alloy hardness in Al5%Co2%Ti and Al30%Co2%Ti prepared by highfrequency fusion (HF) after cold compaction.Both alloys were characterized by optical ... 
A COMPARATIVE STUDY OF I–V AND C–V CHARACTERISTICS OF SCHOTTKY GATE AlGaN/GaN HEMTs
(Université des Frères Mentouri Constantine, 20131216)In this work we investigate AlGaN/GaN HEMTs structures grown by Low Pressure Metal Organic Chemical Vapour Depostion on SiC substrate. The aim of our work is to study the effect of variation in aluminium (Al) composition ... 
A Neural Network MPPT For Photovoltaic Grid Connected System
(Université des Frères Mentouri Constantine, 20130217)A photovoltaic (PV) output power depends nonlinearly on the climatic changes such au solar irradiation and temperature, there exists a unique maximum power point (MPP). Thus, a maximum power point tracking (MPPT) controller ... 
A NEW HIGHER ORDER SHEAR AND NORMAL DEFORMATION THEORY FOR BENDING ANALYSIS OF ADVANCED COMPOSITE PLATES
(Université des Frères Mentouri Constantine, 20161031)In this work, a higherorder theory including the stretching effect is developed for the static analysis of advanced composite plates such as functionally graded plates. The number of unknown functions involved in the ... 
A NON COMMUTATIVE APPROACH TO COSMIC STRINGS
(Université des Frères Mentouri Constantine, 20131216)A Cosmic string model based on SeibergWitten non commutative geometry is constructed. Black holes solutions are determined and the Hawking radiation temperature near the horizon is also derived 
A PARAMETRIC STUDY OF A HEAT RECOVERY ADSORPTION COOLING MACHINE
(Université des Frères Mentouri Constantine, 20131216)In this paper, a detailed thermodynamic and parametric analysis of simple and regenerative cycle of an adsorptive machine using the activated carbon AC35/methanol as adsorbent/adsorbate pair is given, where the ... 
A QUANTUM CHEMICAL CALCULATION (DFT) : 1(4NITRPHENYLOIMINO) 1 (PHENYLHYDRAZONO)  PROPAN2ONE AS CORROSION INHIBITOR FOR MILD STEEL IN ACIDIC MEDIA
(Université des Frères Mentouri Constantine, 20161031)Quantum chemical calculations based on DFT method were performed on azomethine compound: PhN=NC (COCH3) =NC6H4Y {Y = NO2 (SB1)}used as corrosion inhibitor for mild steei in acid media to determine the relationship between ... 
A SPUTTERED ZnO THIN FILMS AS A TCO
(Université des Frères Mentouri Constantine, 20131216)We studied the structural and optical properties such as the crystal structure , the optical gap ,absorption and transmittance coefficient, grain size. And resistivity of ZnO thin films grown by sputtering technique 
A STUDY OF THE BAND GAP ENERGY AND ELECTRONIC CHARGE DENSITY OF GaNxAs1x ALLOYS FROM FIRSTPRINCIPLES CALCULATIONS
(Université des Frères Mentouri Constantine, 20131216)In order to investigate the electronic properties of zincblende GaNxAs1x alloys. Full potentiallinearized augmented plane wave (FPLAPW) calculations based on density functional theory (DFT) are done. Our estimation ... 
A Study of the structural and electronic properties of LaX (X=Se, Te ) in two phases B1, B2 ander high pressure
(Université des Frères Mentouri Constantine, 20161215)The objective of this work is a study of the structural properties (lattice parameters, total energy, bulk modulus) and electronic properties (band structure, density of states) of rare earth monochalcogenides LaX (X=Se, ... 
AB INITIO CALCULATIONS FOR THE BISMUTH SODIUM TITANATE (Bi0.5 Na0.5)TiO3
(Université des Frères Mentouri Constantine, 20131216)Ab initio studies of structuraland electronic properties of Bismuth sodium titanate (Bi0.5Na0.5)TiO3 (abbreviated as BNT) arepresented using pseudopotential plane wave method within the density functional theory (DFT) ... 
AB INITIO STUDY OF BULK AND SURFACE PROPERTIES OF CoPt L10 ALLOY
(Université des Frères Mentouri Constantine, 20131216)The CoPt binary alloy, due to its tetragonal L10 structure, shows a strong magnetic anisotropy, and is a good candidate for ultra high density informatics storage device. We present in this work ab initio calculations ... 
ABINITIO INVESTIGATION OF STRUCTURAL, ELECTRONIC AND MAGNETIC PROPERTIES FOR PHASES OF ZNO AND FEDOPED ZNO
(Université des Frères Mentouri Constantine, 20131216)Complex densityfunctional theory (DFT) calculations of structural, electronic and magnetic properties for the three phases: wurtzite (B4), zincblende (B3) and rocksalt (B1) of pure ZnO compound and Fe doped ZnO with ... 
AbINITIO STUDY OF FeTi ALLOYS FOR HIGH CAPACITY HYDROGEN STORAGE
(Université des Frères Mentouri Constantine, 20131216)This work presents a preliminary study of the structural and electronic properties of Fe, Ti, H and their alloys by means of the density functional theory (DFT) pseudopotential code SIESTA (Spanish Initiative for Electronic ... 
ABINITIO STUDY OF THE STRUCTURAL, ELECTRONIC AND ELASTIC PROPERTIES OF EuX (X = Se, Te) COMPOUNDS IN CUBIC STRUCTURES
(Université des Frères Mentouri Constantine, 20161031)The strurural, electronic and elastic properties of rareearth monochalcogenides EuX (X=Se, Te) were investigated with the fullpotentiallinearizedaugmented plane wave (FPLAPW) based on density functional theory (DFT). ... 
ADSORPTION KINETICS AT DIFFERENT CONCENTRATIONS OF Cu (II) ONTO LOCAL MARL
(Université des Frères Mentouri Constantine, 20161031)Copper is known to be commonly used heavy metals. This metal, which find many useful applications in our life, are very harmful if they are discharged into natural water resources and many pose finally a serious health ... 
ADVANCES IN WATER TREATMENT BY ADSORPTION TECHNOLOGY: APPLICATION TO THE REMEDIATION OF POLLUTED WATER BY ANIONIC DRUG
(Université des Frères Mentouri Constantine, 20161031)Diclofenac sodium (DS) is considered as priority antiinflammatory pollutant because of its presence in water. In this paper, we addressed the issue of using organoK10 montmorillonite as adsorbent of DS to reduce its ...