Browsing Physique by Title

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  • 2D-Numerical Analysis of IDS-VGS Characteristic In pc-Si TFT's: Investigation of Inhomogeneous Structure 
    Tayoub, Hadjira; Bensmain, Asmaa; Zebentout, Baya; Benamara, Zineb (Université Frères Mentouri - Constantine 1, 2013-02-17)
    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 
    TAYEBI, T; DJEZZAR, M (Université Frères Mentouri - Constantine 1, 2013-12-16)
    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 Neural Network MPPT For Photovoltaic Grid Connected System 
    Keddar, Mohamed; Della Krachai, Mohamed; Midoun, Abdelhamid (Université Frères Mentouri - Constantine 1, 2013-02-17)
    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 NON COMMUTATIVE APPROACH TO COSMIC STRINGS 
    MENACER, L; AISSAOUI, H (Université Frères Mentouri - Constantine 1, 2013-12-16)
    A Cosmic string model based on Seiberg-Witten 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 
    CHEKIROU, W; BOUKHEIT, N; KARAALI, A (Université Frères Mentouri - Constantine 1, 2013-12-16)
    In this paper, a detailed thermodynamic and parametric analysis of simple and regenerative cycle of an adsorptive machine using the activated carbon AC-35/methanol as adsorbent/adsorbate pair is given, where the ...
  • A SPUTTERED ZnO THIN FILMS AS A TCO 
    SEBAA, N; BENHALILIBA, M; TOMBAK, A; OCAK, Y. S (Université Frères Mentouri - Constantine 1, 2013-12-16)
    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 structural and electronic properties of LaX (X=Se, Te ) in two phases B1, B2 ander high pressure 
    Soltani, F; Baaziz, H; Charifi, Z (Université Frères Mentouri - Constantine 1, 2016-12-15)
    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 STUDY OF BULK AND SURFACE PROPERTIES OF CoPt L10 ALLOY 
    BRAHIMI, S; BOUZAR, H (Université Frères Mentouri - Constantine 1, 2013-12-16)
    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 ...
  • An experimental study of mints solar drying systems 
    Metidji, N; Badaoui, W; Sellami, R; Djebli, A (Université Frères Mentouri - Constantine 1, 2013-02-17)
    Many research studies have been performed on forced convection (active) solar dryers for fruit, vegetables and plants. A short survey of these showed that applying the forced convection solar dryer not only significantly ...
  • ANALYSIS AND COMPARAISON OF SOLAR ASSITED HEAT PUMP SYSTEMS FOR HEATING 
    Boulkamh, M; Gomri, R (Université Frères Mentouri - Constantine 1, 2013-02-17)
    Heating systems and solar-heat pump are innovative technologies to support the production of ecological heat. They are becoming more important due to the acceleration of climate change and the rising cost of fossil ...
  • ANALYTICAL TREATMENT OF THE ASYMMETRIC SPINLESS SALPETER COULOMB PROBLEM 
    CHARGUI, Y; TRABELSI, A (Université Frères Mentouri - Constantine 1, 2013-12-16)
    An analytical treatment of the two-body asymmetric spinless Salpeter equation with a Coulomb interaction is presented. The exact bound-state energy equation associated to the s-waves is obtained
  • APPLICATION DE LA METHODE NEURONALE POUR LA DETERMINATION DES ECHANGES THERMIQUES INTENSIFS 
    HACHICHI, F; HANINI, S (Université Frères Mentouri - Constantine 1, 2013-12-16)
    L’objectif de cette étude est la mise en oeuvre d’une méthode de calcul basée sur les réseaux de neurones artificiels de type multicouche (MLP) pour déterminer avec précision le coefficient d’échange thermique et/ou le ...
  • Application of Fresnel solar power plant under Algerian climate 
    Messai, Abdou; Benzerga, Mohammed; Bouaichaoui, Sofiane; Benkedda, Younes (Université Frères Mentouri - Constantine 1, 2013-02-17)
    The basic resource most important for all the renewable energy potentials is solar energy, it is the radiation emitted in all the directions by the sun. The Fresnel power plant has been chosen to product the electricity ...
  • ATOMIC FORCE AND TUNNEL MICROSCOPY OF ALUMINUM NANOISLANDS 
    Nedilko, S; Prorok, V; Rozouvan, S; Aigouy, L (Université Frères Mentouri - Constantine 1, 2013-02-17)
    Scanning atomic force microscopy (AFM) and scanning tunneling microscopy (TM) were proven to be extremely useful experimental techniques for characterization of thin films on metal or semiconductor substrate. The technique ...
  • BaTiO3-TiO2 nanotubesproduced by classical hydrothermal methodand their photoelectrochemical properties 
    Sobti, N; Kendouli, S; Baghriche, M; Achour, S (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Nanotubes are of great interest due to their high surface-to-volume ratios and size-dependent properties. Titanium dioxide nanotube array is a well-known nanostructured semiconductor oxide with improved functional ...
  • Behaviour of dislocations near phase boundaries inbicrystals of FCC materials: Au-X, X = Pb, Cu and Ni 
    Ouchtati, A; Khalfallah, O (Université Frères Mentouri - Constantine 1, 2016-12-15)
    The mechanical properties of materials are determined by the interactions between defects found in the crystal. In a bicrystal of bimaterials, the result forces exercising on the matrix dislocation near and parallel to an ...
  • BILAN ENERGETIQUE D’UNE SERRE AGRICOLE DE TYPE CHAPELLE A SIMPLE PAROI EN VERRE SANS VEGETATION 
    BEZARI, S; BELALEM, M.S; AISSA, M (Université Frères Mentouri - Constantine 1, 2013-12-16)
    L’étude des phénomènes physique qui se déroulent au sein d’une serre agricole recouvre la mise en évidence des différents processus mis en jeu dans son fonctionnement, donc elle est en préalable à l’élaboration d’un ...
  • Biolubrication from Phospholipid Membranes: Correlation between nanomechanical resistance and tribological properties 
    Dekkiche, Fairouz; Corneci, Magdalena-Carla; Trunfio-Sfarghiu, Ana-Maria; Berthier, Yves; Rieu, Jean-Paul (Université Frères Mentouri - Constantine 1, 2013-02-17)
    The analysis of joint molecular interfaces has led to the identification of lipid bilayers adsorbed on the joint rubbing surfaces. Nanostructural physical techniques such as lipid deposition by vesicle fusion method or ...
  • Building Model of Photovoltaic Cell/Module With Matlab/Simulink 
    Rachedi, L; Fetha, C; Bahi, T (Université Frères Mentouri - Constantine 1, 2013-02-17)
    In this paper a photovoltaic (PV) module in renewable energy conversion system is simulated. The simulation of the system is developed using MATLAB/Simulink environments, which can be representative of PV cell, module, ...
  • Building Model of Photovoltaic Cell/Module With MATLAB/SIMULINK 
    Rachedi, L; Fetha, C; Bahi, T (Université Frères Mentouri - Constantine 1, 2013-02-17)
    In this paper a photovoltaic (PV) module in renewable energy conversion system is simulated. The simulation of the system is developed using MATLAB/Simulink environments, which can be representative of PV cell, module, and ...

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