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var str = 'التجديد في علم الكلام عند مرتضى مطهري';
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var str = 'Simulation de l’écoulement autour d’un profil à l’aide d’une méthode DES';
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مرتضى مطهري]]>
التجديد]]>
تجديد علم الكلام]]>
قضايا تجديد علم الكلام]]>
CFD]]>
Wing NACA]]>
Stall]]>
RANS]]>
SST]]>
DES]]>
يدور فحوى هدا المقال حول جهود مرتضى مطهري في تجديد علم الكلام كيف لا وهو المصلح الذي عمل على النهوض بأمته من خلال الإصلاحات التي قدمها ومحاولة منه لتقديم رؤية واضحة ترفع واقع المسلمين المتردي، فعمل رحمه الله على إحياء الإسلام وتجديده من خلال تصفيته من الشوائب والانحرافات المدسوسة فيه ونفض الغبار عن المعتقدات الخاطئة و مجابهة قضايا العصر المستجدة.]]>
Ce travail concerne l’étude du comportement d’un écoulement turbulent autour d’un profil d’aile NACA23012. Nous avons effectué des simulations numériques de l’écoulement. Elle est réalisée par le logiciel CFD qui est basé sur la méthode de volumes finis pour la résolution des équations de Navier-Stokes. Nous avons considéré l’écoulement bidimensionnel, instationnaire et incompressible dans le domaine de vitesses choisies. L’effet de la turbulence a été pris en compte en utilisant le modèle statistique du premier ordre à deux équations SST et le modèle statistique du second ordre DES (Detached Eddy Simulation).]]>
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مجلة الاستيعاب Al-Istiab Journal; Vol. 2 No. 2 (2020): v2i22020]]>
2773-3947]]>
10.46325/aij.v2i2]]>
Journal of Renewable Energies; Vol. 18 No. 4 (2015): Volume 18 (Regular); 565 – 574]]>
Journal of Renewable Energies; Vol. 18 No 4 (2015): Volume 18 (Regular); 565 – 574]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v18i4]]>
مجلة الاستيعاب Al-Istiab Journal]]>
Renewable Energy Development Center]]>
2020-05-01]]>
2023-10-18]]>
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/44/41]]>
https://revue.cder.dz/index.php/rer/article/view/530/1327]]>
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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/44]]>
10.46325/aij.v2i2.44]]>
https://revue.cder.dz/index.php/rer/article/view/530]]>
10.54966/jreen.v18i4.530]]>
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var str = 'Theoretical and numerical approaches of a plane, laminar and non-confined, impinging jet';
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علم الكلام]]>
التجديد]]>
الاتجاهات]]>
Isothermal]]>
Numerical]]>
Plane impacting jet]]>
Laminar]]>
مثّل علم الكلام جانبا هاما من الفلسفة الإسلامية، ذلك لأنه العلم المتكفل بالدفاع عن العقائد الإيمانية وإثباتها بالدليل العقلي في مواجهة المشككين والمخالفين؛ وقد ظهرت في الأزمنة الأخيرة جهود كلامية حديثة، اختلفت تأصيلات مُنظّريها فيها -وكذا آراء الباحثين - من حيثيات مختلفة، أهمها حيثيتان:1-القبول والرد، 2- التكييف والتوصيف.
فمن جانب القبول، سعى أهله لتقديم مشروعين -وذلك بحسب اختلاف مشاربهم-:
الأول:يعنى بإحياء ما اندرس، وتقويم ما انحرف، وأيضا مواجهة الأفكار ومسايرة الحوادث والوقائع المتجددة، من خلال فهمها فهما صحيحا لا يخرج في مضمونه عن نصوص الشريعة ومقاصدها، الثاني: مشروع متكامل مستقل عن القديم، يتناول بمناهج جديدة ورؤى مستقبلية، بحيث لا تلتفت للقديم ولا تنظر إليه، ولا تشترك معه إلا في المصطلاح.
وفي المقابل يرى الرافضون للتجديد أن إعادة بعث المباحث الكلامية، غير مفيد البتة، وهو مجرد ترف فكري، لأن البحث فيه غالبا ما يكون متأثرا بالفلسفات والنظريات اليونانية القديمة.
أما عن حيثية التوصيف والتكييف، فيتمحور الإشكال فيها حول وصف هذه الجهود الكلامية الحديثة هل هي "تجديد في علم الكلام"، أمهي "كلام جديد"، والإجابة عن هذا الإشكال يكون بحسب اتجاهاتهم في التجديد؛ فبينما يعني التجديد في علم الكلام: الحفاظ على المسائل والمناهج والتي توصف بكونها القديمة، وإدراج مسائل جديدة معاصرة؛ فإن وصف "الكلام الجديد" هو وصف يُتجاوز فيه الكلام القديمة فكرة ومنهجا ومصطلحا، ويتحدث عن علم كلام جديد يحمل فلسفة جديدة للدين ومعرفة تختلف عن العلم القديم.]]>
We propose in this paper, a numerical study of a planar impacting jet flow. The flow is assumed isothermal, laminar and unconfined. The developed computer code is based on the finite volume method, which was used to discretize the N-S equations. The code allowed us to simulate the physical phenomenon’s taking place in the jet flow. The work focuses, on the description of the evolution of the jet and the presentation of the different characteristics of the flow, for different values of the Reynolds number and the impacting height. Calculations were made for values of the Reynolds numbers ranging from 0.01 to Re = 2000, i.e. in the limits of laminar flow regime, and for values of the ratio between the height of the outlet nozzle-impact surface of 0.1 to 20. The theoretical and numerical approaches of this work are confronted with the experimental works of Sholtz et al., [2].]]>
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مجلة الاستيعاب Al-Istiab Journal; Vol. 2 No. 2 (2020): v2i22020]]>
2773-3947]]>
10.46325/aij.v2i2]]>
Journal of Renewable Energies; Vol. 18 No. 4 (2015): Volume 18 (Regular); 551 – 564]]>
Journal of Renewable Energies; Vol. 18 No 4 (2015): Volume 18 (Regular); 551 – 564]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v18i4]]>
مجلة الاستيعاب Al-Istiab Journal]]>
Renewable Energy Development Center]]>
2020-05-01]]>
2023-10-18]]>
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/43/40]]>
https://revue.cder.dz/index.php/rer/article/view/529/1326]]>
application/pdf]]>
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eng]]>
info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
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info:eu-repo/semantics/article]]>
info:eu-repo/semantics/publishedVersion]]>
https://journals.univ-tlemcen.dz/AIJ/index.php/AIJ/article/view/43]]>
10.46325/aij.v2i2.43]]>
https://revue.cder.dz/index.php/rer/article/view/529]]>
10.54966/jreen.v18i4.529]]>
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var str = 'Optimization of osmotic dehydration of tomatoes slices in salt and sucrose solutions using response surface methodology';
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التّجديد]]>
علوم الحديث]]>
المليباري]]>
Tomatoes]]>
Osmotic Dehydration]]>
Response Surface Methodology]]>
Salt]]>
Sucrose]]>
عرضت في بحثي هذا المفاهيم المختلفة لتعريف التّجديد وذكرت بيانه وضوابطه بعد عرض أقوال المجيزين والمناعين، وعرضت رأي الأستاذ الدكتور حمزة للتّجديد الذي يخلُص إلى الرّجوع للأصول وتنقيتها ممّا علق بها من دخيل، وبيّنت تركيزه على علوم الحديث في ذلك، ثمّ مثّلتُ بنماذج مدروسة من قِبل شيخي الأستاذ الدكتور المليباري متمثلة في: التّفريق بين المتقدمين والمتأخرين، ودور كلّ علماء مرحلة منهما، ومناهجهما في ذلك، وتجديد طريقة تدريس علوم الحديث بربط هذا العلم بأمثلة واقعية مع طرحه كوحدات مترابطة وليست عناوين متفرقة، وضبط مفهوم بعض المصطلحات كمصطلح نقدي مثل: الحسن والاستخراج،ومنهجية دراسة الحديث عبر مراحل معينة، وتفسير بعض الآراء بخلاف ما تعارف عند النّاس كغلق باب التّصحيح الذي نسب للحافظ ابن الصّلاح، ووصلت لنتائج أهمها: أنّ التّجديد ضرورة لا غنى عنها لكن التّجديد بمفهومه الإسلامي بتنقية القديم من الشّوائب والتّفاعل مع الجديد المفيد، وأنّ أهم ميادين التّجديد علوم الحديث، وذلك من خلال الرّجوع للمؤسسين الأوائل وتفسير كلّ المصطلحات الحديثيّة وفق منهجهم وأعرافهم وأذكر بعدها النّقدي الواسع، وإعادة دراسة وتدريس علوم الحديث وفق منهج المتقدمين مع تجديد الأمثلة من واقع النّاس حتى يزول الغموض، وأوصي أن تكون الدِّراسات التّجديديّة الحديثيّة مبنيّة على تطبيقات المحدّثين الأوائل من خلال مؤلفاتهم والاستعانة بمنهج المتأخرين في إثبات الكتب والأقوال لأصحابها.]]>
Response Surface Methodology (RSM) was used to investigate the effect of temperature solution, immersion time, salt concentration and sucrose concentration on the water loss and solid gain during osmotic dehydration of tomatoes slices. The optimum conditions for maximum WL% and SG % are: T=55°C, t =240 min and C=74% for the sucrose and T=55°C, t= 240 min and C= 5% for the salt. The value of water content of the monomolecular layer (Xm),is 17.07 % at 25°C.]]>
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var str = 'حنانشة, مصطفى';
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var str = 'Aït Chaouche, Feriel Sabrine';
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var str = 'Belhachat, Djamila';
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مجلة الاستيعاب Al-Istiab Journal; Vol. 2 No. 2 (2020): v2i22020]]>
2773-3947]]>
10.46325/aij.v2i2]]>
Journal of Renewable Energies; Vol. 18 No. 4 (2015): Volume 18 (Regular); 539 – 549]]>
Journal of Renewable Energies; Vol. 18 No 4 (2015): Volume 18 (Regular); 539 – 549]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v18i4]]>
مجلة الاستيعاب Al-Istiab Journal]]>
Renewable Energy Development Center]]>
2019-05-01]]>
2023-10-18]]>
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/41/39]]>
https://revue.cder.dz/index.php/rer/article/view/528/1325]]>
application/pdf]]>
application/pdf]]>
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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/41]]>
10.46325/aij.v2i2.41]]>
https://revue.cder.dz/index.php/rer/article/view/528]]>
10.54966/jreen.v18i4.528]]>
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التجديد]]>
أصول الفقه]]>
المنهج]]>
المسائل الدخيلة]]>
الموضوعية]]>
Optimisation]]>
Système d’énergie hybride (SEH)]]>
Eolienne]]>
Photovoltaïque]]>
Micro-turbine à gaz]]>
يعتبر علم أصول الفقه علما معياريا مهما في بناء الشريعة الإسلامية والنهوض بعلومها؛ لكن أصابه على مر العصور جمود وقصور ؛ مما جعل علماء النهضة الحديثة يدعون إلى تجديده؛ من أجل استعادة دوره ؛ وهذا المقال يوضح مفهوم التجديد الذي يعتبر مصطلحا شرعيا ويبين مشروعيته ومبرراته كما يرسم المحاور التي يشملها ومنها حذف المسائل الدخيلة والمسائل الفرضية وإضافة مسائل جديدة والابتعاد عن التعصب وتحقيق الموضوعية وإبراز الترابط بين الأصول والفقه، وأيضا تجديد المنهج في عرض المسائل الأصولية، ويتوقع أن هذه المحاور تعمل إرجاع العلم أصول على سالف عهده مثمرا وهي لا تمس جوهره وإنما تنزع عنه الأثقال التي أعاقت حركيته.]]>
Ce travail, présente l’optimisation d’un système éolien-photovoltaïque-micro-turbine à gaz avec batterie pour l’électrification des populations n’ayant pas accès au réseau électrique. Les résultats de simulation montrent que l’insertion de la micro-turbine à gaz permet de réduire les émissions de gaz polluants de manière significative par rapport au système à générateur diesel.]]>
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var str = 'Hadj aissa, Mohamed';
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]]>
مجلة الاستيعاب Al-Istiab Journal; Vol. 2 No. 2 (2020): v2i22020]]>
2773-3947]]>
10.46325/aij.v2i2]]>
Journal of Renewable Energies; Vol. 18 No. 4 (2015): Volume 18 (Regular); 529 – 538]]>
Journal of Renewable Energies; Vol. 18 No 4 (2015): Volume 18 (Regular); 529 – 538]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v18i4]]>
مجلة الاستيعاب Al-Istiab Journal]]>
Renewable Energy Development Center]]>
2020-05-01]]>
2023-10-18]]>
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/40/38]]>
https://revue.cder.dz/index.php/rer/article/view/527/1324]]>
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/40]]>
10.46325/aij.v2i2.40]]>
https://revue.cder.dz/index.php/rer/article/view/527]]>
10.54966/jreen.v18i4.527]]>
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var str = 'Exponential growth of solution for a couple of semi-linear pseudo-parabolic equations with memory and source terms';
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var str = 'La filière des huiles essentielles Etat de l’art, impacts et enjeux socioéconomiques';
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Memory terms]]>
parabolic equation]]>
exponential growth]]>
source terms]]>
System of parapolic equations]]>
Huiles essentielles]]>
This work is concerned with coupled semi-linear pseudo-parabolic equations with memory terms in both equations, associated with the homogeneous Dirichlet boundary condition. We show that the solution grows exponentially under specific conditions regarding the relaxation functions and initial energy. In order to prove the result, we use the energy method based on the construction of a suitable Lyapunov function.The most important behavior of the evolution system is the exponential growth phenomena because of its wide range of applications in modern science, such as chemistry, biology, ecology, and other areas of engineering and physical sciences.]]>
Cet article porte sur la filière des huiles essentielles et les impacts et enjeux socioéconomiques liés à son développement. L’accent a été mis sur l’étendue et la diversité des secteurs d’application des huiles essentielles et leur impact sur le marché mondial. Nous donnons un aperçu sur la production et l’évolution du marché des huiles essentielles en Algérie et le potentiel de développement de ce secteur.]]>
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var str = 'OUAOUA, Amar';
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var str = 'BOUGHAMSA, Wissem';
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var str = 'Bessah, Rahma';
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var str = 'Benyoussef, El-Hadi';
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Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 2 No. 1 (2022): January-June; 43-52]]>
2773-4196]]>
10.58205/jiamcs.v2i1]]>
ark:/49935/jiamcs.v2i1]]>
Journal of Renewable Energies; Vol. 18 No. 3 (2015): Volume 18 (Regular); 513 – 528]]>
Journal of Renewable Energies; Vol. 18 No 3 (2015): Volume 18 (Regular); 513 – 528]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v18i3]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2022-05-18]]>
2023-10-18]]>
Copyright (c) 2022 Amar OUAOUA, Wissem BOUGHAMSA]]>
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/v2i1_23/v2i1_23]]>
https://revue.cder.dz/index.php/rer/article/view/526/1323]]>
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/v2i1_23]]>
10.58205/jiamcs.v2i1.23]]>
ark:/49935/jiamcs.v2i1.23]]>
https://revue.cder.dz/index.php/rer/article/view/526]]>
10.54966/jreen.v18i3.526]]>
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var str = 'On weighted Calderon-Zygmund singular integrals and applications';
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var str = 'Hydrogen storage: Investigation of the elastic properties of Mg7NbH16 hydride';
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Calderon-Zygmund singular integrals,Sobolev-Gagliardo-Nirenberg inequality]]>
Harmonic analysis]]>
Magnesium alloys]]>
Mechanical properties]]>
Density functional theory]]>
Hydrogen storage]]>
This paper studies some weighted norm inequalities related to some Calderon-Zygmund singular integrals. Applications to the Sobolev-Gagliardo-Nirenberg inequality, differential forms, and the potential equation du= f are given.]]>
Structural, mechanical and electronic structure properties of Mg7NbH16 were investigated using the norm-conserving pseudo-potentials and plane waves (PP-PW) within the general gradient approximation (GGA) in the frame of density functional theory (DFT). The computed equilibrium lattice constants are in excellent agreement with the available experimental and theoretical data. The elastic constants Cij of Mg7NbH16 were calculated for the first time. The Mg7NbH16 compound is found to be mechanically stable. The bulk modulus of single crystals has been derived using elastic constants. The results are discussed and compared with the calculated bulk modulus reported in the literature. The polycrystalline elastic moduli (namely: the shear modulus, Young's modulus, Poisson's ratio, Lamé's coefficients, sound velocities and the Debye temperature) were derived from the obtained single-crystal elastic constants. According to the obtained results, Mg7NbH16 can be classified as ductile material. The shear anisotropic factors and the elastic anisotropy are also discussed. A Debye temperature of 619 K was also determined using theoretical elastic constants.]]>
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var str = 'Loulit, Ahmed';
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var str = 'Bouhadda, Youcef';
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var str = 'Bououdina, Mohamed';
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var str = 'Fenineche, Noureddine';
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var str = 'Boudouma, Youcef';
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Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 2 No. 1 (2022): January-June; 1-26]]>
2773-4196]]>
10.58205/jiamcs.v2i1]]>
ark:/49935/jiamcs.v2i1]]>
Journal of Renewable Energies; Vol. 18 No. 3 (2015): Volume 18 (Regular); 503 – 512]]>
Journal of Renewable Energies; Vol. 18 No 3 (2015): Volume 18 (Regular); 503 – 512]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v18i3]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2022-02-20]]>
2023-10-18]]>
Copyright (c) 2022 Ahmed Loulit]]>
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/v2i1_12/v2i1_g12]]>
https://revue.cder.dz/index.php/rer/article/view/525/1322]]>
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/v2i1_12]]>
10.58205/jiamcs.v2i1.12]]>
ark:/49935/jiamcs.v2i1.12]]>
https://revue.cder.dz/index.php/rer/article/view/525]]>
10.54966/jreen.v18i3.525]]>
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var str = 'More on standard single valued neutrosophic metric spaces: More on SVN-metric spaces';
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var str = 'Etude numérique et validation des caractéristiques aérodynamiques d'écoulement autour des obstacles ovales en fonction des paramètres géométriques';
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Neutrosophic set, Single valued neutrosophic set, metric space]]>
Ellipse- Ecoulement]]>
Nombre de Mach]]>
Coefficient de la pression]]>
Vitesse]]>
Recently, we have introduced the notion of standard single valued neutrosophic (SSVN) metric space as a generalization of the notion of standard fuzzy metric spaces given by J.R. Kider and Z.A. Hussain. In this paper, we study the fundamental properties of standard single valued neutrosophic metric spaces. Furthermore, we introduce the notion of continuous mapping and uniformly continuous mapping in standard single-valued neutrosophic metric spaces. To that end, we give a number of properties and characterizations of these notions.]]>
Dans ce travail, on a étudié numériquement l’écoulement incompressible, non visqueux, bidimensionnel et stationnaire autour des obstacles ovales (ellipse horizontale, ellipse verticale et cercle) en fonction des paramètres géométriques avec un nombre de Mach égal à zéro. Nous avons deux paramètres, le premier est le grand rayon de l’ellipse (a) et le second est le petit rayon de l’ellipse (b). L’écoulement est modélisé par la méthode des panneaux dans les coordonnées cartésiennes. Cette méthode est basée sur le remplacement de la surface du profil par une répartition de sources et de puits. Les lois de variation des vitesses représentées, illustrent bien le comportement réel du fluide non visqueux via les corps multiformes mentionnés par les références bibliographiques spécialisées.]]>
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var str = 'Milles, Soheyb';
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var str = 'Latreche, Abdelkrim';
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var str = 'Barkat, Omar';
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var str = 'Ghodbane, Mokhtar';
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var str = 'Boumeddane, Boussad';
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var str = 'Largot, Soulef';
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var str = 'Berkane, Houda';
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Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 1 No. 1 (2021): July- December; 40-47]]>
2773-4196]]>
10.58205/jiamcs.v1i1]]>
ark:/49935/jiamcs.v1i1]]>
Journal of Renewable Energies; Vol. 18 No. 3 (2015): Volume 18 (Regular); 493 – 502]]>
Journal of Renewable Energies; Vol. 18 No 3 (2015): Volume 18 (Regular); 493 – 502]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v18i3]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2021-12-29]]>
2023-10-18]]>
Copyright (c) 2021 Soheyb Milles, Abdelkrim Latreche, Omar Barkat]]>
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/v1i1_11/v1i1_11]]>
https://revue.cder.dz/index.php/rer/article/view/524/1321]]>
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/v1i1_11]]>
10.58205/jiamcs.v1i1.11]]>
ark:/49935/jiamcs.v1i1.11]]>
https://revue.cder.dz/index.php/rer/article/view/524]]>
10.54966/jreen.v18i3.524]]>
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var str = 'Taylor collocation method for high-order neutral delay Volterra integro-differential equations';
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var str = 'Etude numérique de la fusion des matériaux à changement de phase pour le stockage thermique dans une cavité rectangulaire inclinée';
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]]>
High-order neutral delay linear Volterra integro-differential equation]]>
Collocation method]]>
Taylor polynomials]]>
Convergence analysis]]>
34K28]]>
34K40]]>
41A58]]>
45L05]]>
65R20]]>
Fusion]]>
MCP]]>
Cavité inclinée]]>
Stockage thermique]]>
In this paper, the Taylor collocation method is applied to numerically solve a kth-order neutral linear Volterra integro-differential equation with constant delay and variable coefficients.We also provide a rigorous analysis to estimate the difference between the exact and approximate solution and their derivatives up to order k-1. Numerical examples are included to prove the performance of the presented convergent algorithm.]]>
Dans ce travail, une étude numérique bidimensionnelle du processus de la fusion d’un matériau à changement de phase (MCP) placé à l’intérieur d’une enceinte rectangulaire inclinée, dont toutes les faces sont isolées thermiquement à l’exception de la face verticale avant, qui est chauffée de manière isotherme. On a considéré que la conduction était le mode de transfert de chaleur qui régit le processus au début de la fusion, suivie par une courte période de transition avant que la convection naturelle devient le mode de transfert de chaleur dominant dans la phase liquide. Les équations qui gouvernent ce genre de phénomène sont résolues et une solution numérique est développée. Les effets de l’angle d’inclinaison et l’orientation de la cavité sur le phénomène de la fusion sont examinés.]]>
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var str = 'Laib, Hafida';
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var str = 'Bellour, Azzeddine';
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var str = 'Boulmerka, Aissa';
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var str = 'Serradj, Mohamed';
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var str = 'Benmansour, Abdeldjellil';
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var str = 'Benzerdjeb, Abdewaheb';
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Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 2 No. 1 (2022): January-June; 53-77]]>
2773-4196]]>
10.58205/jiamcs.v2i1]]>
ark:/49935/jiamcs.v2i1]]>
Journal of Renewable Energies; Vol. 18 No. 3 (2015): Volume 18 (Regular); 479 – 485]]>
Journal of Renewable Energies; Vol. 18 No 3 (2015): Volume 18 (Regular); 479 – 485]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v18i3]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2022-05-12]]>
2023-10-18]]>
Copyright (c) 2022 Hafida Laib, Azzeddine Bellour, Aissa Boulmerka]]>
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/10/v2i1_10]]>
https://revue.cder.dz/index.php/rer/article/view/522/1320]]>
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/10]]>
10.58205/jiamcs.v2i1.10]]>
ark:/49935/jiamcs.v2i1.10]]>
https://revue.cder.dz/index.php/rer/article/view/522]]>
10.54966/jreen.v18i3.522]]>
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var str = 'Measure of noncompactness for nonlinear Hilfer fractional differential equation with mixed fractional integral boundary conditions in Banach space';
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var str = 'Système de conversion simplifié pour éolienne équipée de génératrice synchrone à aimants permanents';
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Fractional differential equations]]>
Machine synchrone à aimants permanents (GSAP)]]>
Eolienne]]>
MPPT]]>
Convertisseur DC-DC]]>
VSC]]>
The aim of this work is to study the existence of solutions to a class of fractional differential equations with a mixed of fractional integral boundary conditions involving the Hilfer fractional derivative. The proof is based on Monch's fixed point theorem and the technique of measures of noncompactness. Two examples illustrating the main results are also constructed.
]]>
Dans le cadre de la conversion à vitesse variable d’énergie éolienne (VS-WECS: Variable Speed, Wind Energy Conversion System), cet article propose une électronique de puissance simplifiée pour injecter l’énergie produite dans le réseau, spécialement dédié aux éoliennes de petite puissance (<100 kW). La chaîne de conversion comprend en série une génératrice synchrone à aimants permanents (GSAP) fonctionnant à vitesse variable, un redresseur à diodes, un convertisseur DC-DC et un convertisseur en source de tension (VSC: Voltage Source Converter) en fonctionnement onduleur. Par rapport à une réalisation standard à deux VSC, la solution proposée permet de réduire le matériel nécessaire et de simplifier la commande. Le contrôle du système de conversion repose sur deux boucles de réglage. D’une part, la boucle de réglage de la vitesse de la GSAP permettant de suivre le point de fonctionnement à puissance maximale et d’autre part le réglage de la tension continue de l’onduleur. Le réglage de la vitesse requiert de contrôler en temps réel la puissance active injectée dans le réseau, ce qui est fait à l’aide d’un régulateur d’état avec commande vectorielle. Les résultats de simulation obtenus permettent de valider la solution matérielle proposée et montrent, lors de variation de la vitesse du vent, une adaptation rapide et précise de la vitesse de la GSAP.]]>
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var str = 'Benbachir, Maamar';
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var str = 'Boutiara, Abdelatif';
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var str = 'Lalou, Moncef Justin';
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Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 2 No. 1 (2022): January-June; 27-42]]>
2773-4196]]>
10.58205/jiamcs.v2i1]]>
ark:/49935/jiamcs.v2i1]]>
Journal of Renewable Energies; Vol. 18 No. 3 (2015): Volume 18 (Regular); 469 – 477]]>
Journal of Renewable Energies; Vol. 18 No 3 (2015): Volume 18 (Regular); 469 – 477]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v18i3]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2022-05-15]]>
2023-10-18]]>
Copyright (c) 2022 Maamar Benbachir, Abdelatif Boutiara]]>
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/v2i1_9/v2i1_9]]>
https://revue.cder.dz/index.php/rer/article/view/521/1319]]>
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/v2i1_9]]>
10.58205/jiamcs.v2i1.9]]>
ark:/49935/jiamcs.v2i1.9]]>
https://revue.cder.dz/index.php/rer/article/view/521]]>
10.54966/jreen.v18i3.521]]>
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var str = 'On a system of difference equations of third order solved in closed form';
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var str = 'Evaluation de la production énergétique d’un aérogénérateur sur un site isolé dans la région côtière du Bénin';
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System of difference equations, general solution, Tetranacci numbers.]]>
39A05, 39A06, 39A10.]]>
Aérogénérateur]]>
Distribution de Weibull]]>
Densité de Puissance]]>
Energie éolienne annuelle produite]]>
In this work, we show that the system of difference equationsxn+1=(ayn-2xn-1yn+bxn-1yn-2+cyn-2+d)/(yn-2xn-1yn),yn+1=(axn-2yn-1xn+byn-1xn-2+cxn-2+d)/(xn-2yn-1xn),where n belongs to the set of positive integer numbers, x-2, x-1, x0, y-2, y-1 and y0 are arbitrary nonzero real numbers, and the parameters a, b, c and d are arbitrary real numbers with d nonzero can be solved in a closed form.We will see that when a = b = c = d = 1, the solutions are expressed using the famous Tetranacci numbers. In particular, the results obtained here extend those in our recent work.]]>
Cette publication a pour but d’effectuer l’analyse statistique des vitesses du vent et d’évaluer la production de l’énergie éolienne sur un site isolé au Sud du Bénin. L’étude est faite à partir des données de vents mesurées à l’aéroport de Cotonou par le service météorologique de l’ASECNA (Agence Nationale pour la Sécurité de la Navigation Aérienne) sur 34 ans (1981 – 2014), à l’aide d’un anémomètre installé sur un mât à 10 m au-dessus du sol. La distribution de Weibull a été utilisée pour modéliser la vitesse du vent moyen mensuel qui varie d’un minimum de 3.6 m.s-1 en décembre à 5.5 m s-1 en Août. Les résultats de calcul de la densité de puissance pour le site varient de 28 W.m-2 en Décembre à 76.5 W.m-2 en Août. Le modèle quadratique a été utilisé pour faire le choix optimal d’un petit aérogénérateur et la production journalière moyenne en fonction des mois a été évaluée et varie de 2.2 kWh en Décembre à 6 kWh en Août. L’énergie éolienne annuelle produite estimée à 1.5 MWh est suffisante pour résoudre les problèmes d’accès à l’électricité, à l’eau, et à la petite irrigation sur des sites isolés au sud du Bénin.]]>
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var str = 'AKROUR, Youssouf';
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var str = 'Touafek, Nouressadat';
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var str = 'Halim, Yacine';
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var str = 'Akpo, Aristide Barthélémy';
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var str = 'Damada, Juste Christel Tankpinou';
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var str = 'Donnou, Hagninou Elagnon Venance';
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var str = 'Kounouhewa, Basile Bruno';
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var str = 'Awanou, Cossi Norbert';
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Journal of Innovative Applied Mathematics and Computational Sciences; Vol. 1 No. 1 (2021): July- December; 1-15]]>
2773-4196]]>
10.58205/jiamcs.v1i1]]>
ark:/49935/jiamcs.v1i1]]>
Journal of Renewable Energies; Vol. 18 No. 3 (2015): Volume 18 (Regular); 457 – 468]]>
Journal of Renewable Energies; Vol. 18 No 3 (2015): Volume 18 (Regular); 457 – 468]]>
2716-8247]]>
1112-2242]]>
10.54966/jreen.v18i3]]>
University Center Abdelhafid Boussouf of MILA, ALGERIA.]]>
Renewable Energy Development Center]]>
2021-12-22]]>
2023-10-18]]>
Copyright (c) 2021 Youssouf AKROUR, Nouressadat Touafek, Yacine Halim]]>
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/v1i1-08/v1i1_jiamcs_2021_08]]>
https://revue.cder.dz/index.php/rer/article/view/520/1318]]>
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/v1i1-08]]>
10.58205/jiamcs.v1i1.8]]>
ark:/49935/jiamcs.v1i1.8]]>
https://revue.cder.dz/index.php/rer/article/view/520]]>
10.54966/jreen.v18i3.520]]>