Physique: التقديمات الحديثة

  • Numerical Prediction of a Turbulent Separated Flow Using a CFD Code 
    Boukhadia, Karima; Bouzidane, Ahmed; Hammou, Mahmoud (Université Frères Mentouri - Constantine 1, 2012-12-16)
    In the present study, the subsonic flow in an asymmetrical diffuser was simulated numerically using code CFX 11.0 and its generator of grid ICEM CFD. Two models of turbulence were tested: K- ε and K- ω SST. The results ...
  • Computer simulation of hydrogenated amorphous silicon solar cell 
    Ayat, Leila; Nour, Sabra; Meftah, Afak (Université Frères Mentouri - Constantine 1, 2013-02-17)
    This work is a numerical simulation of the output parameters of a PIN a-Si:H solar cell under AM1.5 spectrum. These parameters are the short circuit current (Jsc), the open circuit voltage (Voc), the fill factor (FF), the ...
  • Control Of a Doubly fed Induction Machine for a Wind Application 
    OURICI, Amel (Université Frères Mentouri - Constantine 1, 2013-02-17)
    The wind energy systems using a doubly-fed induction generator (DFIG) have some advantages due to variable speed operation and four quadrants active and reactive power capabilities compared with fixed speed induction. In ...
  • Radiation Heat Transfer Quantification in Solid Oxide Fuel Cell : Effect of Geometric Parameters 
    Abdessemed, Soumia; Zitouni, Bariza; Ben Moussa, Hocine (Université Frères Mentouri - Constantine 1, 2013-02-17)
    The study of the heat transfer in a SOFC based on mathematical modeling has attracted significant interest in recent years. Detailed CFD based models predict the current density, the species and the temperature distribution ...
  • Study and simulation of silicon solar cells structures with luminous cascade system (photons converter) 
    Ayad, M; Abderrazak, M; Fathi, M; Aissat, A (Université Frères Mentouri - Constantine 1, 2013-02-17)
    Luminous cascade systems is a new system applied in the design of photovoltaic module with low cost and high efficiency, They consist of a transparent plate of polymethyl methacrylate (PMMA) doped with luminescent dyes, ...
  • New electrolytes for solar battery based on imidazolium and piperidinium cations 
    Haddad, Boumediene; Villemin ,Didier; Belarbi ,El-Habib; Rahmouni, Mustapha (Université Frères Mentouri - Constantine 1, 2013-02-17)
    For electrochemical applications at high temperatures, a series of imidazolium and piperidinium -based cations with different anions were synthesized and studied as electrolytes for solar battery. The syntheses are based ...
  • Effect of bath pH on the electrodeposition of cuprous oxide and copper thin films for photovoltaic applications 
    RAHAL, H; RAHAL, S; KIHAL, R; AFFOUNE, A. M (Université Frères Mentouri - Constantine 1, 2013-02-17)
    The electrodeposition of cuprous oxide (Cu2O) and copper (Cu) thin films at 29 °C on the ITO/glass substrates from cupric acetate aqueous solution is reported. The electrodeposition mechanism was investigated by cyclic ...
  • Theoretical study of the thermal behavior of new solar collector 
    Tabet, Ismail; Bellel, Nedire (Université Frères Mentouri - Constantine 1, 2013-02-17)
    In this paper we made a numerical modeling of a new solar collector with cylindro-parabolic concentrator, the different between this collector with the other traditional collector , we introduce mirrors cylindro- parabolic ...
  • Natural convection in rectangularenclosure with heating and coolingby sinusoidal temperature profiles on twover ticalsides 
    Azzouz, Khaddoudja; Djezzar, Mahfoud; Ghernoug, Chahinez (Université Frères Mentouri - Constantine 1, 2013-02-17)
    We propose in this work, the numerical study of the natural convection laminar and permanent, in rectangular enclosures whose vertical walls are active and horizontal one are adiabatic. The active walls are heated and ...
  • Polyimide surface treatment by plasma deposition of organosilcon nano-thin layers 
    Nouicer, I; Sahli, S; Ziari, Z; Bellel, A. (Université Frères Mentouri - Constantine 1, 2013-02-17)
    Plasma enhanced chemical vapor deposition (PECVD) technique has been used to deposit organosilicon nano-thin layers on polyimide (PI) films substrates from hexamethyldisiloxane (HMDSO) precursor. The nano-thin layers ...
  • Silicon Nanostructures Formation by V2O5 and HF Stain Etching 
    Ayat, M; Gabouze, N; Boarino, L; Guedouar, B (Université Frères Mentouri - Constantine 1, 2013-02-17)
    In this work we report the fabrication of silicon pillar array by a simple chemical etching of silicon in vanadium oxide/fluorhydric acid solution. Different etching parameters including the solution concentration, temperature ...
  • Silicon Nanostructures Formation by V2O5 and HF Stain Etching 
    Ayat, M; Gabouze, N; Boarino, L; Guedouar, B (Université Frères Mentouri - Constantine 1, 2013-02-17)
    In this work we report the fabrication of silicon pillar array by a simple chemical etching of silicon in vanadium oxide/fluorhydric acid solution. Different etching parameters including the solution concentration, temperature ...
  • Microstructural Study of Some Kaolin by Warren-Averbach and Williamson-Hall Methods 
    Lakel, A.; Bouyoucef, A; Labii , T; Guechi, N; Zerrouk, I; Zahaf, A; Boubertakh, A; Hamamda, S (Université Frères Mentouri - Constantine 1, 2013-02-17)
    In this work, we have studied two kaolins from different origins. The first one denoted M1 consists of two main phases (kaolinite and halloysite) and the other M2 whose main constituents are kaolinite, quartz and mica. ...
  • SIMULATION OF THE CARBON NANOTUBES IN THE TERAHERTZ FREQUENCY 
    Dridi, Chahrazed; Zaabat, Mourad; Boudine, Azeddine (Université Frères Mentouri - Constantine 1, 2013-02-17)
    Since little is known isolate a sheet of carbon-graphite one atom thick. This crystal is two-dimensional graphene has remarkable electronic transport properties, which are neither those of a metal nor those of a semiconductor. ...
  • SIMULATION OF THE CARBON NANOTUBES IN THE TERAHERTZ FREQUENCY 
    Dridi, Chahrazed; Zaabat, Mourad; Boudine, Azeddine (Université Frères Mentouri - Constantine 1, 2013-02-17)
    Since little is known isolate a sheet of carbon-graphite one atom thick. This crystal is two-dimensional graphene has remarkable electronic transport properties, which are neither those of a metal nor those of a semiconductor. ...
  • INFLUENCE OF PHYSICAL PARAMETERS ON THE TRANSCONDUCTANCE OF CHANNEL FOR THE COMPONENT SUBMICRON 
    Draidi, M; Zaabat, M; Boudine, A (Université Frères Mentouri - Constantine 1, 2013-02-17)
    The component elements of the field effect transistors can be grouped into two distinct categories. Extrinsic elements representing different access structures such as parasitic resistances Rs and Rd . Among the intrinsic ...
  • 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 ...
  • Thin films preparation, UV-vis Absorption and Photoluminescence property of CdSe nanoparticles dispersed in PMMA medium. 
    Chaieb, A; Chari, A; Sahraoui, B (Université Frères Mentouri - Constantine 1, 2013-02-17)
    The content of this work deal with the preparation method, the effect of dimensional confinement and the influence of the nanoscale size on the optical properties of materials compared to those of bulk phase. CdSe nanoparticles ...
  • NEW MODEL FOR SPINFET TRANSISTOR 
    Boudine, A; Kalla, L; Benhizia, K; Zaabat, M; draidi, M; Zerrouk, I (Université Frères Mentouri - Constantine 1, 2013-02-17)
    In this work we present the study of spin polarized transport in semiconductors as new type of current transmission in semiconductor devices, we built a 2deg model for so- called SPINFET transistor. We chose the spinFET ...
  • Nanotachnology:structural study of a micromembrane compound by polymer and materials magnetic 
    BELKACEM, Mohamed; BENDIB, Samir (Université Frères Mentouri - Constantine 1, 2013-02-17)
    From day in day one can see the evolution of technology and more particularly that of Nano. In this context, the nanosciences are a study of the phenomen and the handling of the matter on the scales atomic, molecular and ...

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