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var str = 'مناهج التأليف الفقهي عند علماء تلمسان في دور الاستقرار';
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var str = 'Potentials of InxGa1-xN photovoltaic tandems';
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]]>
تلمسان]]>
المالكية]]>
المناهج]]>
الاستقرار]]>
الـتأليف]]>
Tandem]]>
InGaN]]>
Spectral response]]>
I-V characteristics]]>
قد قصرت هذه الدراسة على مناهج التأليف الفقهي عند علماء تلمسان؛ وللحديث عن ذلك حديثا أقرب إلى الشمول، وأدنى إلى تحقيق الغاية، جعلت هذه الورقة البحثية تنتظم في مبحثين، خصصت الأول منهما للحديث عن دور الاستقرار وطابع التأليف فيه من حيث الجملة عند أهل هذه الحاضرة، أما المبحث الثاني فاستقل ببيان أنواع التآليف الفقهية لعلماء تلمسان في هذا الدور مع تبيين مسالك مؤلفيها فيها فضلا عن قيمة تراث فقهاء هذه الحاضرة علميا ومنهجيا.]]>
During the past few years a great variety of multi-junction solar cells has been developed with the aim of a further increase in efficiency beyond the limits of single junction devices. In this work, the solar power conversion efficiency of InxGa1-xN based tandem solar cells was investigated. With this intention, one simulation of the spectral response and the current-voltage characteristic was carried out using a simulation program designed under ‘Visual Basic 5’ language for this reason. Our cal culation indicates that the attainable efficiency can be enhanced up to 34 % and 37% for tandems with double and triple junctions respectively, obtained under 1-sun AM1.5 illumination and at ambient temperature, using realistic material parameters. A comparison has been made of our results with those of other models.]]>
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var str = 'بن ناصر, محمد مهدي لخضر';
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var str = 'Ben Machiche, Samira';
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]]>
مجلة الاستيعاب Al-Istiab Journal; Vol. 1 No. 2 (2019): v1i22019]]>
2773-3947]]>
10.46325/aij.v1i2]]>
Journal of Renewable Energies; Vol. 14 No. 1 (2011): Volume 14 (Regular); 47 – 56]]>
Journal of Renewable Energies; Vol. 14 No 1 (2011): Volume 14 (Regular); 47 – 56]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v14i1]]>
مجلة الاستيعاب Al-Istiab Journal]]>
Renewable Energy Development Center]]>
2019-05-01]]>
2023-10-24]]>
Copyright (c) 2022 مجلة الاستيعاب Al-Istiab Journal]]>
Copyright (c) 2021 Journal of Renewable Energies]]>
https://creativecommons.org/licenses/by-sa/4.0]]>
https://journals.univ-tlemcen.dz/AIJ/index.php/AIJ/article/view/4/3]]>
https://revue.cder.dz/index.php/rer/article/view/240/1515]]>
application/pdf]]>
application/pdf]]>
eng]]>
eng]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
Peer-reviewed Article]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
https://journals.univ-tlemcen.dz/AIJ/index.php/AIJ/article/view/4]]>
10.46325/aij.v1i2.4]]>
https://revue.cder.dz/index.php/rer/article/view/240]]>
10.54966/jreen.v14i1.240]]>
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var str = 'النقد الفقهي – مفهومه ومقاصده – ( تطبيقات ونماذج )';
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var str = 'Etude et conception d’un logiciel de calcul de l’éclairement solaire en Algérie destiné aux systèmes à concentration solaires';
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]]>
التجديد]]>
أصول الفقه]]>
الإمام الشاطبي]]>
الفقه]]>
النقد]]>
Logiciel de calcul]]>
Eclairement solaire]]>
Perrin de Brichambaut]]>
Capderou]]>
Systèmes solaires à concentration]]>
ظل النقد الفقهي غائب التأصيل في غالب الدراسات التي رصدت حركة تطور الفقه الاسلامي ، سواء في كتب تاريخ التشريع والفقه أو كتب الرجال وتراجم علماء الفقه والأصول والمقاصد . وهو الشيء الذي غيب كثيرا من معاني التجديد والابداع في حركة التطور الاجتهادي والتعليمي للشريعة الإسلامية . وقد جاءت هذه المداخلة للبحث حول مفهومه وتجلية أهم مقاصده والنظر في بعض النماذج والتطبيقات . ولـــعل أهمها نموذج الإمام الشاطبي في تجربته لتجديد وتطوير النظر المقاصدي .]]>
L’objectif du présent travail consiste en l’élaboration d’un logiciel de calcul de l’éclairement solaire destiné aux systèmes thermiques à concentration en Algérie. Le logiciel réalisé ‘CESAL2011’ permet une visualisation de l’énergie solaire numériquement et graphiquement pour les différents cas de poursuite appliqués à ces systèmes. Pour une meilleure exploitation du logiciel, nous avons réalisé une interface graphique avec le langage de programmation Delphi, les calculs ont été effectués à l’aide du modèle de ‘Capderou’. Une comparaison entre des valeurs de l’éclairement solaire mesurées et des valeurs calculées sur le site de Ghardaïa a été effectuée afin de valider le logiciel. Les résultats obtenus des tests et de la validation ont révélé que l’utilisation du modèle de ‘Capderou’, pour les systèmes à concentration, s’avère acceptable en adoptant quelques modifications. Le logiciel réalisé est un outil d’aide satisfaisant permettant le choix du meilleur type de poursuite solaire.]]>
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var str = 'بلخير, عثمان';
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var str = 'Malek, Ali';
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var str = 'Azoui, Boubekeur';
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var str = 'Larbès, Chérif';
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]]>
مجلة الاستيعاب Al-Istiab Journal; Vol. 1 No. 2 (2019): v1i22019]]>
2773-3947]]>
10.46325/aij.v1i2]]>
Journal of Renewable Energies; Vol. 14 No. 1 (2011): Volume 14 (Regular); 27 – 46]]>
Journal of Renewable Energies; Vol. 14 No 1 (2011): Volume 14 (Regular); 27 – 46]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v14i1]]>
مجلة الاستيعاب Al-Istiab Journal]]>
Renewable Energy Development Center]]>
2019-05-01]]>
2023-10-24]]>
Copyright (c) 2022 مجلة الاستيعاب Al-Istiab Journal]]>
Copyright (c) 2021 Journal of Renewable Energies]]>
https://creativecommons.org/licenses/by-sa/4.0]]>
https://journals.univ-tlemcen.dz/AIJ/index.php/AIJ/article/view/3/2]]>
https://revue.cder.dz/index.php/rer/article/view/239/1514]]>
application/pdf]]>
application/pdf]]>
eng]]>
eng]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
Peer-reviewed Article]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
https://journals.univ-tlemcen.dz/AIJ/index.php/AIJ/article/view/3]]>
10.46325/aij.v1i2.3]]>
https://revue.cder.dz/index.php/rer/article/view/239]]>
10.54966/jreen.v14i1.239]]>
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var str = 'التأليف الشرعي - دراسة في المفهوم و الغايات –';
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var str = 'Biodiesel production using Chlorella sorokiniana a green microalga';
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]]>
التأليف]]>
الغايات]]>
العلوم الشرعية]]>
التصنيف]]>
التدوين]]>
Biodiesel]]>
Production]]>
Chlorella]]>
Renewable energy]]>
تَضافرتْ نصوصُ القرآن الكريم و أحاديثُ السنة الشريفة على أن الإسلام جاء لإخراج الإنسان من ظلمات الجهل و الوهم إلى نور العلم و الفهم، و أنه يحث على القراءة و النظر والتأمل في سنن الله تعالى الكونية، بغية حسن الاستفادة والاستثمار للموارد و الثروات، و مِن ثَمَّ تحقيقُ أعلى مستويات النهوض العلمي و الرقي الحضاري في شتى المجالات و كافة نواحي الحياة.
و لا ريب في أن جملة العلوم و المعارف التي رَصَدْتها البشريةُ على مر السنين و تعاقب الأزمنة لم تُؤْتِ نصيبًا مِن أُكْلِها لو لم يُقَيِّضِ الله تعالى ثلةً ممن اهتموا و نَصَبُوا أنفسهم لِجمع هذا التراث العلمي الزاخر و تدوينه و إيصاله لمختلف الأجيال.
تعالج هذه الوُرَيْقة موضوعَ "التأليف الشرعي" من حيث ماهيته و من حيث غاياته، مستقصيةً نماذجَ من المصنفات في فنون العلوم الشرعية، ثم تَستخلص جملة من النتائج و تَقترح بعض الآفاق و التوصيات عسى أن يَسترشد بها أولوا النهى ممن هم أهل للبحث في هذا المجال.]]>
Several commercial applications of microalgae are identified. They can be used to enhance the nutritional value of food owing their chemical composition, they play a crucial role in aquaculture and they can be incorporated into cosmetics. Currently, they are cultivated as a source of renewable energy. Indeed, biodiesel, one form of biofuels can be produced by microalgae. This biofuel has attracting increasing attention worldwide as a clean energy for the future to substitute conventional fuel. However, their production derived from conventional ways that are so expensive and polluant because they used fossil fuels and oilseeds (vegetable oils) or animal fats. In this paper, wild/type strains of chlorella “green microalgae” isolated from Algerian Sahara soil are tested for their ability to produce biodiesel. The results show that Chlorella sorokiniana strain Ce, under different culture conditions, accumulates some fatty acids which make the most suitable for the production of good quality biodiesel.]]>
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var str = 'منصوري, محمد';
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var str = 'Chader, Samira';
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var str = 'Mahmah, Bouziane';
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var str = 'Chetehouna, Khaled';
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var str = 'Mignolet, Eric';
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]]>
مجلة الاستيعاب Al-Istiab Journal; Vol. 1 No. 2 (2019): v1i22019]]>
2773-3947]]>
10.46325/aij.v1i2]]>
Journal of Renewable Energies; Vol. 14 No. 1 (2011): Volume 14 (Regular); 21 – 26]]>
Journal of Renewable Energies; Vol. 14 No 1 (2011): Volume 14 (Regular); 21 – 26]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v14i1]]>
مجلة الاستيعاب Al-Istiab Journal]]>
Renewable Energy Development Center]]>
2019-05-01]]>
2023-10-24]]>
Copyright (c) 2022 مجلة الاستيعاب Al-Istiab Journal]]>
Copyright (c) 2021 Journal of Renewable Energies]]>
https://creativecommons.org/licenses/by-sa/4.0]]>
https://journals.univ-tlemcen.dz/AIJ/index.php/AIJ/article/view/2/1]]>
https://revue.cder.dz/index.php/rer/article/view/238/1513]]>
application/pdf]]>
application/pdf]]>
eng]]>
eng]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
Peer-reviewed Article]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
https://journals.univ-tlemcen.dz/AIJ/index.php/AIJ/article/view/2]]>
10.46325/aij.v1i2.2]]>
https://revue.cder.dz/index.php/rer/article/view/238]]>
10.54966/jreen.v14i1.238]]>
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var str = 'Existence and asymptotic stability of continuous solutions for a general form of integral equations of product type';
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var str = 'Study of storage thermal energy of latent heat Application to the solar collector';
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]]>
d point theorem. Keywords: Neutral integral equations of product type, Darbo’s fixed point theorem, Continuous solution, Asymptotic stable solution.]]>
47H30]]>
45D05]]>
Storage]]>
Solar collector]]>
MCP]]>
latent heat]]>
Melting]]>
Solidification]]>
In this work, we study the existence and the asymptotic stability of the continuous solutions for a general form for neutral integral equations of product type. Our result will given in more general and easy conditions; Moreover, the neutral integral equation of product type given in this work contains many particular forms which are studied recently. The analysis uses the techniques of measures of non-compactness and Darbo’s fixed point theorem.
]]>
The energy production provided by a heat excess or discontinuous source (solar, waste heat...) involve the utilization of a thermal storage in the thermodynamic or recuperation chain. These last years, studies on thermal storage systems have been developed in order to bring technical and economic elements. The study includes two parts. The first one concern a numerical analysis of a latent-heat thermal energy storage unit is conducted. The element of storage is a rectangular closed cavity filled with a phase change material (PCM) initially at the solid state. At t = 0 a heat flux is applied through one of the vertical walls of the cavity. Other one, experimental steady treats a new type of solar collector was developed and tested to valid numerical models.]]>
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var str = 'Bellour, Azzeddine';
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var str = 'Bousselsal, Mahmoud';
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var str = 'Bouadila, Salwa';
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var str = 'Fteiti, Mehdi';
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var str = 'Ouslati, Mouhamed Mehdi';
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var str = 'Guizani, Amen Allah';
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var str = 'Ben Nasrallah, Sassi';
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]]>
Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 3 No. 1 (2023): January-June; 66-74]]>
2773-4196]]>
10.58205/jiamcs.v3i1]]>
ark:/49935/jiamcs.v3i1]]>
Journal of Renewable Energies; Vol. 14 No. 1 (2011): Volume 14 (Regular); 13 – 20]]>
Journal of Renewable Energies; Vol. 14 No 1 (2011): Volume 14 (Regular); 13 – 20]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v14i1]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2023-07-01]]>
2023-10-24]]>
Copyright (c) 2023 Azzeddine Bellour, Mahmoud Bousselsal]]>
https://creativecommons.org/licenses/by-nc-nd/4.0]]>
Copyright (c) 2021 Journal of Renewable Energies]]>
https://creativecommons.org/licenses/by-sa/4.0]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/204/1276]]>
https://revue.cder.dz/index.php/rer/article/view/237/1512]]>
application/pdf]]>
application/pdf]]>
eng]]>
eng]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/204]]>
10.58205/jiamcs.v3i1.204]]>
https://revue.cder.dz/index.php/rer/article/view/237]]>
10.54966/jreen.v14i1.237]]>
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var str = 'On dynamics and solution expressions of a three dimensional nonlinear difference equations system';
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var str = 'Etude expérimentale et modélisation du séchage de boues générées par l’épuration des eaux usées';
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Rational difference equations]]>
solution of system of difference equation]]>
periodic solution]]>
recursive sequences]]>
local stability]]>
Mathematics]]>
Séchage convectif]]>
Profil d’humidité]]>
Modélisation]]>
Conditions de séchage]]>
In this paper, we construct the solution expressions of fourth order nonlinear difference systems
Φn+1 = Φn−2Ψn−3 ,
α + Ψn (±1 ± Γn−1Φn−2Ψn−3)
Ψn+1 = Ψn−2Γn−3 ,
δ + Γn (±1 ± Φn−1Ψn−2Γn−3)
Γn+1 = Γn−2Φn−3 ,
γ + Φn (±1 ± Ψn−1Γn−2Φn−3)
where α, δ and γ are arbitrary real numbers. Furthermore, the solution’s qualitative behavior is explored, such as local stability and boundedness. In some cases, system has periodic solutions. Finally, we provide numerical examples to support our conclusions.]]>
Dans ce travail, des résultats expérimentaux relatifs au séchage de boues générées dans deux stations d’épuration d’eaux usées sont présentés. Les expériences ont été effectuées dans un sécheur convectif reproduisant le fonctionnement d’un sécheur à bandes. Pour chaque essai, 1 kg de produit humide est extrudé en cylindres de 12 mm de diamètre sur une grille perforée au travers de laquelle l’air chaud circule. Le produit est séché jusqu’à élimination de la totalité de l’humidité initialement présente. Les résultats obtenus montrent que le procédé est affecté par plusieurs paramètres, tout particulièrement les conditions externes, c’est-à-dire les propriétés de l’air de séchage, comme la température, mais aussi par des conditions internes, c’est-à-dire la nature des boues. Les résultats expérimentaux ont été modélisés. Pour le 1er type de boues, le modèle de Page a présenté les meilleurs résultats avec un coefficient de corrélation égal à 0.9996 et une erreur standard égale à 0.0081. Cependant, pour le 2ème type de boues, le modèle polynomial de 4ème degré donne des résultats comparables au modèle de Page, avec des coefficients de corrélation qui changent avec la température de l’air, mais qui avoisinent l’unité et avec des erreurs standard allant de 0.0037 et 0.081.]]>
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var str = 'Al-Rakhami, Faiza';
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var str = 'Leonard, Angélique';
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Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 3 No. 1 (2023): January-June; 83-120]]>
2773-4196]]>
10.58205/jiamcs.v3i1]]>
ark:/49935/jiamcs.v3i1]]>
Journal of Renewable Energies; Vol. 14 No. 1 (2011): Volume 14 (Regular); 1 – 12]]>
Journal of Renewable Energies; Vol. 14 No 1 (2011): Volume 14 (Regular); 1 – 12]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v14i1]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2023-07-01]]>
2023-10-24]]>
Copyright (c) 2023 Faiza Al-Rakhami, E Elsayed]]>
https://creativecommons.org/licenses/by-nc-nd/4.0]]>
Copyright (c) 2021 Journal of Renewable Energies]]>
https://creativecommons.org/licenses/by-sa/4.0]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/130/1278]]>
https://revue.cder.dz/index.php/rer/article/view/236/1511]]>
application/pdf]]>
application/pdf]]>
eng]]>
eng]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/130]]>
10.58205/jiamcs.v3i1.130]]>
https://revue.cder.dz/index.php/rer/article/view/236]]>
10.54966/jreen.v14i1.236]]>
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var str = 'A new directed signature scheme on a general linear group over a group ring';
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var str = 'Etude préliminaire du potentiel de production d’eau chaude par capteurs plans solaires pour une application industrielle dans la région des Hauts Plateaux';
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]]>
Directed signature, discrete logarithm problem, factorization search problem, group ring]]>
94A60, 15B33 , 20G35, 20G45]]>
Capteurs plans thermiques]]>
Production d’eau chaude]]>
Banc d’essai]]>
In this work, we propose a new directed digital signature scheme over a group ring whose security relies on the hardness of the discrete logarithm problem and the factorization search problem. This scheme is efficient as it requires very few operations for both signing and verifying signatures. Furthermore, the security of the proposed scheme is examined.
]]>
Le développement récent, des capteurs plans solaires à hautes températures, rend l’utilisation des systèmes solaires thermiques dans le milieu industriel envisageable. Nous présentons dans ce papier une contribution à l’étude du potentiel de production d’eau chaude d’une installation, utilisant des capteurs plans, implantée sur le site de l’Université de Batna. Nous donnons, en premier lieu, un aperçu sur le contexte énergétique mondial en termes de consommation d’énergie et de niveaux de températures requis dans le secteur industriel, ainsi qu’une analyse de la consommation nationale par vecteurs énergétiques dans le secteur de l’industrie. Ensuite, nous définissons la chaîne de mesure appliquée au banc d’essai expérimental, suivi par le modèle de simulation établi. Nous présentons également l’interface d’acquisition et de contrôle du système, ainsi que les résultats expérimentaux obtenus.]]>
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var str = 'MAKHLOUF, Sassia';
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var str = 'Guenda, Kenza';
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var str = 'Aaron Gulliver, Thomas';
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var str = 'Boutaghriout, Badreddine';
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var str = 'Ghouari, Adel';
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var str = 'Hamouda, Chaâbane';
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var str = 'Malek, Ali';
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]]>
Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 3 No. 1 (2023): January-June; 15-27]]>
2773-4196]]>
10.58205/jiamcs.v3i1]]>
ark:/49935/jiamcs.v3i1]]>
Journal of Renewable Energies; Vol. 13 No. 4 (2010): Volume 13 (Regular); 723 – 734]]>
Journal of Renewable Energies; Vol. 13 No 4 (2010): Volume 13 (Regular); 723 – 734]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v13i4]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2023-05-06]]>
2023-10-25]]>
Copyright (c) 2023 Sassia MAKHLOUF, Kenza Guenda, Pr. Thomas Aaron Gulliver]]>
https://creativecommons.org/licenses/by-nc-nd/4.0]]>
Copyright (c) 2021 Journal of Renewable Energies]]>
https://creativecommons.org/licenses/by-sa/4.0]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/v3i1_129/74]]>
https://revue.cder.dz/index.php/rer/article/view/235/1629]]>
application/pdf]]>
application/pdf]]>
eng]]>
eng]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/v3i1_129]]>
ark:/49935/JIAMCS.v3i1.129]]>
https://revue.cder.dz/index.php/rer/article/view/235]]>
10.54966/jreen.v13i4.235]]>
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var str = 'Application of the Stampacchia lemma to anisotropic degenerate elliptic equations : Anisotropic Degenerate Elliptic Equations';
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var str = 'Modélisation et analyse d’un milieu granulaire carbonaté à haute température';
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]]>
Anisotropic problem]]>
Degenerate elliptic]]>
Generalized Stampacchia Lemma]]>
Marcinkiewicz space]]>
35G46]]>
Milieu granulaire]]>
Modélisation]]>
Haute température]]>
Echelle macroscopique]]>
Matière organique]]>
Carbonates]]>
In this paper, we prove the existence and regularity of solutions for a class of nonlinear anisotropic degenerate elliptic equations with the data f belonging to certain Marcinkiewicz spaces Mm(Ω) with m > 1. We use a generalized Stampacchia Lemma version to establish the main results.]]>
La compréhension et la maîtrise des facteurs qui gouvernent le traitement thermique des milieux granulaires sont nécessaires dans plusieurs applications de l’industrie chimique et pharmaceutique. La cinétique des réactions chimiques qui se produisent au sien des milieux granulaires carbonatés à haute température présente des caractéristiques spécifiques. Elle couvre une grande partie de la réactivité chimique qui est principalement irréversible. L’objet de cet article est de modéliser ces spécificités en s’intéressant aux thématiques thermo-hydro-mécaniques, aux phénomènes de transport et aux réactions chimiques dues aux dégagements de dioxyde de carbone (CO2) et au changement de phase eau - vapeur. Ces lois ont toutes une origine phénoménologique. Compte tenu de la complexité des mécanismes de transfert dans le milieu granulaire, il a été cependant nécessaire d’avoir recours à des hypothèses simplificatrices destinées à réduire le nombre des paramètres intervenant dans la modélisation.]]>
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var str = 'Hichem';
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var str = 'El Ouardi, Mokhtar';
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Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 3 No. 1 (2023): January-June; 75-82]]>
2773-4196]]>
10.58205/jiamcs.v3i1]]>
ark:/49935/jiamcs.v3i1]]>
Journal of Renewable Energies; Vol. 13 No. 4 (2010): Volume 13 (Regular); 697 – 722]]>
Journal of Renewable Energies; Vol. 13 No 4 (2010): Volume 13 (Regular); 697 – 722]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v13i4]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2023-07-01]]>
2023-10-25]]>
Copyright (c) 2023 Hichem]]>
https://creativecommons.org/licenses/by-nc-nd/4.0]]>
Copyright (c) 2021 Journal of Renewable Energies]]>
https://creativecommons.org/licenses/by-sa/4.0]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/68/1274]]>
https://revue.cder.dz/index.php/rer/article/view/234/1628]]>
application/pdf]]>
application/pdf]]>
eng]]>
eng]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/68]]>
10.58205/jiamcs.v3i1.68]]>
https://revue.cder.dz/index.php/rer/article/view/234]]>
10.54966/jreen.v13i4.234]]>
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var str = 'Caputo fractional $q$-difference equations in Banach spaces';
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var str = 'Estimation du rayonnement solaire global en Algérie pour différents types de ciel';
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Fractional $q$-difference equation]]>
measure of noncompactness]]>
solution]]>
fixed point]]>
26A33]]>
34G20]]>
Programme de Calcul]]>
Irradiation]]>
Brichambaut]]>
Liu & Jordan]]>
Nébulosité]]>
Type de ciel]]>
This paper aims to explore the existence results of a certain type of Caputo fractional qq-difference equations in Banach spaces. To achieve this goal, we employ a fixed point theorem that relies on the concept of measure of noncompactness and the convex-power condensing operator. We give an illustrative example in the last section.]]>
La principale discipline à laquelle fait appel ce programme est l’estimation des irradiations solaires globales, directes et diffuses pour différents types de ciel. De l’approche théorique de Perrin de Brichambaut, valable seulement pour un ciel totalement clair, l’éclairement solaire incident sur une surface horizontale a été calculé. Concerne l’estimation des éclairements incidents pour différentes inclinaisons et orientations et cela pour un ciel totalement clair, le modèle de Liu & Jordan a été sélectionné. Pour la détermination du type de ciel, nous utilisons la notion de nébulosité, qui est la fraction du ciel caché par l’ensemble des nuages visibles. Les conditions nuageuses sont donc calculées principalement en utilisant le facteur Kc ‘Cloud Attenuation Factor’, défini par Kasten et al. 1980. L’expression de Kc nécessite que des valeurs mesurées, en unité ‘Octas’, comme on les trouve dans les postes de la météorologie. Le travail consiste en la détermination de la nébulosité en fonction de l’irradiation globale journalière mesurée sur surface horizontale. Des exemples des journées de différents types de ciel pour des sites de Ghardaïa et Bouzaréah-Alger ont été étudiés et présentés pour la validation et la confrontation des résultats expérimentaux. Dans l’ensemble, la concordance des résultats théoriques et expérimentaux s’avère satisfaisante. Par conséquent, ce programme peut être couplé à une interface professionnelle, pour être manipulable de façon conviviale par les utilisateurs de bureaux d’étude, et particulièrement les enseignants et les chercheurs.]]>
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var str = 'Salim, Abdelkrim';
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var str = 'Abbas, Said';
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var str = 'Benchohra, Mouffak';
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var str = 'Lazreg, Jamal Eddine';
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var str = 'Yaïche, Mohamed Redha';
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var str = 'Bekkouche, Sidi Mohammed El Amine';
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Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 3 No. 1 (2023): January-June; 1-14]]>
2773-4196]]>
10.58205/jiamcs.v3i1]]>
ark:/49935/jiamcs.v3i1]]>
Journal of Renewable Energies; Vol. 13 No. 4 (2010): Volume 13 (Regular); 683 – 695]]>
Journal of Renewable Energies; Vol. 13 No 4 (2010): Volume 13 (Regular); 683 – 695]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v13i4]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2023-04-30]]>
2023-10-25]]>
Copyright (c) 2023 Abdelkrim Salim, Said Abbas, Mouffak Benchohra, Jamal Eddine Lazreg]]>
https://creativecommons.org/licenses/by-nc-nd/4.0]]>
Copyright (c) 2021 Journal of Renewable Energies]]>
https://creativecommons.org/licenses/by-sa/4.0]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/v3i1_67/73]]>
https://revue.cder.dz/index.php/rer/article/view/233/1627]]>
application/pdf]]>
application/pdf]]>
eng]]>
eng]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/v3i1_67]]>
ark:/49935/jiamcs.v3i1.67]]>
https://revue.cder.dz/index.php/rer/article/view/233]]>
10.54966/jreen.v13i4.233]]>
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var str = 'Periodic solutions of a differential perturbed system via the averaging theory and the Melnikov method';
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var str = 'Commande vectorielle par les réseaux de neurones artificiels de l’énergie d’une MADA intégrée à un système éolien';
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Periodic solution]]>
Differential system]]>
Averaging theory]]>
Melnikov’s method]]>
Applied Mathematics]]>
Eolienne]]>
Machine Asynchrone à Double Alimentation]]>
Commande vectorielle]]>
Réseaux de neurones]]>
In this paper, we will study the maximum number of limit cycles of a perturbed differential system with respect to its parameters which appear in the system specially on the degree of the polynomials. For this we will use two methods namely the averaging theory of first order and the method of Melnikov on the same system to provide an upper bound for the number of periodic solutions which can bifurcate from the center with ε = 0. In the end, we will present some numerical examples in order to illustrate the theoretical results given by the averaging theory and Melnikov one.]]>
Le présent travail est consacré à une commande vectorielle de l’énergie active et réactive par les réseaux de neurones d’une machine asynchrone à double alimentation (MADA) intégrée à un système éolien. Le transfert de puissance entre le stator et le réseau est réalisé par action sur les signaux rotoriques via un convertisseur bidirectionnel. Pour une étude comparative, le contrôle indépendant de la puissance active et réactive est assuré dans la première étape par des régulateurs classiques (PI) et dans la deuxième étape par des régulateurs neuronaux (RN). Les performances et la robustesse sont analysées et comparées par simulation à base du logiciel Matlab/Simulink.]]>
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var str = 'Meroufel, Abdelkader';
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var str = 'Massoum, Ahmed';
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var str = 'Hammoumi, Abdelhakim';
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Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 3 No. 1 (2023): January-June; 49-65]]>
2773-4196]]>
10.58205/jiamcs.v3i1]]>
ark:/49935/jiamcs.v3i1]]>
Journal of Renewable Energies; Vol. 13 No. 4 (2010): Volume 13 (Regular); 669 – 682]]>
Journal of Renewable Energies; Vol. 13 No 4 (2010): Volume 13 (Regular); 669 – 682]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v13i4]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2023-07-01]]>
2023-10-25]]>
Copyright (c) 2023 Sana Karfes, Elbahi Hadidi]]>
https://creativecommons.org/licenses/by-nc-nd/4.0]]>
Copyright (c) 2021 Journal of Renewable Energies]]>
https://creativecommons.org/licenses/by-sa/4.0]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/59/1275]]>
application/pdf]]>
eng]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/59]]>
10.58205/jiamcs.v3i1.59]]>
https://revue.cder.dz/index.php/rer/article/view/232]]>
10.54966/jreen.v13i4.232]]>
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var str = 'Quintic and Septic $C^2$-spline methods for initial fractional differential equations: Quintic and septic $C^2$-spline methods';
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var str = 'Doubly fed induction generator, with crow-bar system, under micro-interruptions fault';
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Fractional -differential equation; Quintic and Septic C2-splines; Convergence analysis.]]>
Applied Mathematics]]>
Wind energy]]>
Doubly Fed Induction Generator]]>
Micro-interruption]]>
Fault]]>
Crowbar]]>
Fuzzy logic controller]]>
In this paper, we developed Quintic and Septic C2C2-spline methods for solving initial fractional differential equations. The convergence analysis of the methods is discussed. Illustrative examples are included to demonstrate the validity and applicability of the presented techniques. Our numerical results were compared with those in the recent literature.]]>
The work presented in this paper focuses on studying the application of doubly fed induction generators in wind energy production under micro-interruption fault. In this context, we set out to improve the performance of a wind turbine either from an energetic efficiency, or from the arrangement with behavioral of grid disturbances. To reach the maximum wind power extraction, wind turbine has to reduce their disconnection. For this reason grid operators impose, by theirs grid connection requirements, to wind turbine producer to support some grid disturbance. This paper deals with the behavior of wind turbine equipped with a Doubly Fed Induction Generator (DFIG) under micro-interruption. A scheme tolerant microinterruption is proposed. A control strategy of the Unified Power Flow Control (UPFC) using PI controller is presented. And finally fuzzy logic controller is illustrated and compared to PI controller.]]>
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var str = 'Rashidinia, Jalil';
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var str = 'Einy, Masoumeh';
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var str = 'Ghorbanalinezhad, Sadra';
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var str = 'Dami, Mohamed Ali';
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var str = 'Jemli, Kamel';
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Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 3 No. 1 (2023): January-June; 35-48]]>
2773-4196]]>
10.58205/jiamcs.v3i1]]>
ark:/49935/jiamcs.v3i1]]>
Journal of Renewable Energies; Vol. 13 No. 4 (2010): Volume 13 (Regular); 653 – 668]]>
Journal of Renewable Energies; Vol. 13 No 4 (2010): Volume 13 (Regular); 653 – 668]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v13i4]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2023-06-30]]>
2023-10-25]]>
Copyright (c) 2023 Jalil Rashidinia, Masoumeh Einy, Sadra Ghorbanalinezhad]]>
https://creativecommons.org/licenses/by-nc-nd/4.0]]>
Copyright (c) 2021 Journal of Renewable Energies]]>
https://creativecommons.org/licenses/by-sa/4.0]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/58/1277]]>
https://revue.cder.dz/index.php/rer/article/view/231/1624]]>
application/pdf]]>
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eng]]>
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info:eu-repo/semantics/publishedVersion]]>
text]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/58]]>
10.58205/jiamcs.v3i1.58]]>
https://revue.cder.dz/index.php/rer/article/view/231]]>
10.54966/jreen.v13i4.231]]>