DSpace Collection:
http://archives.univ-biskra.dz/handle/123456789/680
2023-10-14T15:58:16ZLes aspects technologiques des éoliennes et leur utilisation dans la production d’énergie dans les zones arides
http://archives.univ-biskra.dz/handle/123456789/1055
Titre: Les aspects technologiques des éoliennes et leur utilisation dans la production d’énergie dans les zones arides
Auteur(s): BELGUIDOUM, Abdelhamid
Résumé: Wind energy isa promisingrenewable energyto replacefossil fuels.This paperdiscusses
atechnological aspectof wind turbines.It examinesaspects relatedtothe wind. Thenhesets out
specificequationsthat governthe operation of ahorizontal axis wind turbine, hencethe theory
ofBetz,andthe use ofequationsof theaerodynamicaction of the wind, reaching theequations
givingtheaerodynamicparameters of aperformanceblade.The importantcontribution of this
workis to analyzethe mechanical behaviorof a wind turbinebladeNACAguy
withdifferentconditions, innormal operation, burstinand endinstorm.The analysisinvolves
thedesignof the blade withdesign software, en suiteimportof the blade inasoftwarefinite
elementcalculation, it is necessary to modelevery effortsufferedthe blade.It was necessary
toovercomethe difficulties related tothe complex geometryof the bladeand thejunction ofthe
skin of thecomposite bladeinhisheartfoam.2013-01-01T00:00:00ZIdentification et analyse des principaux facteurs influant le comportement thermique d’un échangeur air/sol enterré
http://archives.univ-biskra.dz/handle/123456789/1053
Titre: Identification et analyse des principaux facteurs influant le comportement thermique d’un échangeur air/sol enterré
Auteur(s): SAADEDDINE, Mohamed
Résumé: The thermal inertia of the soil allows it to maintain a stable temperature at certain depths, regardless of air temperature at the surface. We exploit this property by using a heat exchanger (air -soil) buried at depths appropriate, where a current of air passes through them for later use in air conditioning or heating.
This work aims to study the factors that control the thermal behavior of these exchangers,
where we first give a detailed definition of the latter, then we realized a mathematical model
whose goal is to calculate the temperature for the soil any depth and any day of the year. And
we made a numerical modeling to simulate the air temperature at the exit of the exchanger, for
each day during the summer in the region of Biskra2013-01-01T00:00:00ZDéveloppement d’un logiciel de simulation des performances thermiques des capteurs solaires plans
http://archives.univ-biskra.dz/handle/123456789/1054
Titre: Développement d’un logiciel de simulation des performances thermiques des capteurs solaires plans
Auteur(s): Ferdjani, Ahmed Taha
Résumé: The current development of the field of computer science, is a help to the simulation of the
performance of energy conversion systems, simulate the right choice of the elements and a better
adaptation to various industrial and domestic uses. The programming and the development of a
software simulation of thermal performance of flat plate air collector with DELPHI tool is the
essential subject of this work. In this study it was highlighted chart, the approach of design and
validation of the thermal performance about the flat plate collector by software computer
simulation2013-01-08T00:00:00ZConception par la CAO des parties fixes d’une éolienne et les solutions technologiques de liaisons de l’installation
http://archives.univ-biskra.dz/handle/123456789/1052
Titre: Conception par la CAO des parties fixes d’une éolienne et les solutions technologiques de liaisons de l’installation
Auteur(s): Hamza, Soumia
Résumé: This study focuses to the essentiel part of the wind tubine which is the tower . The tower can be hold
the wind turbine rotor at the certain height to must have highest wind speed and regular. The interest
of this study is justified in order to minimize the cost it only represents about 30% of the total cost of
the wind turbine. Our contribution through this work is to present the approach for the calculation of
such a structure has several features, we lock firste through a phase of modeling and calculation of the
various demands for operation of the tower and its geometry, then comes the computation required for
verification of resistance to extreme loads operation. The calculation tool is the finite elements.
Studied tower is a tower of tubular form made about steel having a height of 78 meters which may be
hold 1.6 MW turbine power. The results illustrate the behavior of the tower, identify the section most
attract and check the resistance of the structure according to the standards places2013-01-08T00:00:00Z