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  • Collection: Review Articles

In this work, we make a confrontation between measured values of the solar radiation given by NASA and those estimated by the mathematical models suggested in the literature. The chosen mathematical models are those of the model of Angstrom, Allen…

In this paper, closed forms of the sum formulas $\sum_{k=0}^{n}x^{k}W_{mk+j}^{2}$ for generalized balancing numbers arepresented. As special cases, we give sum formulas of balancing, modified Lucas-balancing and Lucas-balancing numbers.

In this paper, closed forms of the sum formulas $\sum_{k=0}^{n}x^{k}W_{mk+j}^{2}$ for generalized balancing numbers arepresented. As special cases, we give sum formulas of balancing, modified Lucas-balancing and Lucas-balancing numbers.

For countries with a high potential of solar energy, producing cold using solar energy is a promising way to sustainable development since the energy used is free and not harmful for the environment. This work proposes a solar adsorption refrigerator…

Microcrystalline silicon deposited by plasma enhanced chemical vapor deposition is a new material for solar cell applications. To optimize the cell performance microcrystalline solar cells deposited at different silane concentration (2 - 7.2 %) in…

L’objectif principal de ce papier est d’analyser les transferts d’énergie qui ont lieu au sein du système hybride photovoltaïque/groupe électrogène/batteries. Une simulation du comportement énergétique d’un tel système est développé et plusieurs…

This work defines MM-Fuzzy Cone Metric Space, as a new metric space. It also analyzes possible forms of contractive conditions and groups them accordingly to set up generalized contractive conditions for self-mappings defined over MM-fuzzy cone…

Ce travail est consacré à la mise en évidence par simulation numérique des caractéristiques d’une flamme de diffusion turbulente avec co-courant d’air de méthane enrichie avec de l’hydrogène. La configuration adoptée est constituée d’un mélange de…

This paper aims to investigate the influence of tube shapes on thermal-flow characteristics of sinusoidal wavy finned-tube heat exchangers. Two row staggered bundle with six geometries of tubes (four flat tube geometries, one oval tube and a circular…

The photovoltaic solar energy becomes more and more one of the most abundant and an alternative source of electric energy. But its efficiency is very low. For this reason, several Maximum Power Point Tracking algorithms are used to track de maximum…
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