Liste des communications
Effect of Zinc/Cadmium Proportion in the Properties of CdS LayersDeposited by Chemical Bath Depostion Method
Cadmium poisoning and the cost of panel recovery which is very expensive and difficult in the buffer layersof CdS in solar cell, for these two drawbacks, we do a search on the effect of proportion of zinc/cadmium inthe properties layers of CdS. For this, our studies study the properties of... Voir les détails
Mots clés : CdZnS, chemical bath, SEM, Raman, solar cells, thin films.
Melt Surface Temperature Monitoring In Tiltable Induction Furnace
The supervision of the induction furnace is the subject of increasing development because of the rising demand on reliability and safety. An essential aspect of the pyrometers of induction furnace is the determination of the exact temperature on the melt surface related to the current and... Voir les détails
Mots clés : Tiltable induction Furnace, cold wall crucible melting, pyrometer measurements, Infrared thermography measurement.
A Simple Isoparametric Finite Element Based on the Reddy’s Theory for the Laminated Plates Bending Analysis
The aim of this work is to develop a quadrilateral finite element based on Reddy’s third order shear deformation theory for the bending behavior analysis of composite laminated plates. The element is a C0 four-nodded isoparametric with seven degrees of freedom at each node, three translation... Voir les détails
Mots clés : Ajout mot cléThird Order Shear Deformation Theory, Ajout mot cléLaminated Composite Plates, Ajout mot cléFinite Element, Bending Behavior
DEVELOPMENT AND CHARACTERIZATION OF HYDROXYAPATITE FOR BONE USE
The objective of this work is the elaboration of a biomaterial Hydroxyapatite (Ca10 (PO4)6 (OH)2), by a synthetic method of precipitation, (CaCl2, 2H2O) as source of calcium and (Na2HPO4, 12 H2O) as a source of phosphate. After preparation, the powder was calcined at 900 °C for 90 minutes at... Voir les détails
Mots clés : hydroxyapatite, SEM, DRX, Porosity, Density
AN EXPERIMENTAL STUDY ON MECHANICAL OF A COMPOSITE MATERIAL FOR ORTHOPEDIC USE
This study consists in the mechanical characterization of a composite material used in the fabrication of orthopedic prostheses by ONAAPH (Annaba- Algeria). The studied composite is the result of a combination of a polymethyl methacrylate (PMMA) resin, fiberglass reinforcements and an... Voir les détails
Mots clés : composite, mechanical tests, mechanical behavior, Finite Elements
Modeling and simulation of In0.15 Ga0.85 N/GaN strainquantum well structure for solar cells application
Quantum well solar cells based on III-V nitride semiconductor materials are a great technological interest by means to their physical and optical properties. In this study the effect of quantum well number on the characteristics (J-V), (P-V) and efficiency for the structure GaN/In 0.15 Ga0.85 N/ GaN... Voir les détails
Mots clés : Quantum well, solar cell, GaN, InGaN
Analysis and Simulation in Electrical Networks Using SSSC Device for Damping Power Oscillations
A large power system has many interconnections and bulk power transmissions over long distance. As a result, there low frequency inter-zone oscillations which make the system vulnerable to cascade failures. Many different methods have been proposed to alleviate the oscillations in the power... Voir les détails
Mots clés : PSS, FACTS, GTO, IGBT, SSSC, ASVC, IPFC
Design of Sobel Filter in VHDL
In order to automate the quality control process of pipe’s welding joint, we present in this paper a new design of an embedded computer vision system, which is based on a camera, controlled by an FPGA platform (Zynq-7000) for acquisition and image processing on the same FPGA circuit. A VHDL... Voir les détails
Mots clés : Quality control, pipe welds, FPGA, Sobel, VHDL
Improving the Power Quality of the Arc WeldingSupply using an Active Power Filter
This paper presents a new circuit topology suitablefor arc welding inverter applications, this topology is based onshunt active power filter (APF), in order to improve the powerquality and reduced the total harmonic distortion (THD) byconsequently improve the power factor (PF), a modified... Voir les détails
Mots clés : arc welding, Active power filter (APF), power factor (PF), total harmonic distortion (THD), modified active and reactive method (p-q)
Video Processing Software-based Pipeline Endoscopic Inspection
Currently, all the codes and the standards of the fluids transport industries require rigorous pipeline inspection, in order to detect all defects and anomalies and avoid leaks and failures. For this reason, a team within the division of Signal Processing and Imagery had as mission to develop an... Voir les détails
Mots clés : Pipeline inspection, endoscopy, video processing, video segmentation, corrosion.