International Journal of Materials Science and Applications

Archive

Volume 7, Issue 1, January 2018

  • Vibration Analysis of Layered Composite Beam According to Wind Turbine Blades of Variable Cross - Section

    Ceyda Okta, Gökmen Atlıhan, Ö. Altan Dombaycı

    Issue: Volume 7, Issue 1-1, January 2018
    Pages: 1-7
    Received: 3 July 2017
    Accepted: 10 July 2017
    Published: 2 August 2017
    DOI: 10.11648/j.ijmsa.s.2018070101.11
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    This article belongs to the Special Issue Energy and Materials II
    Abstract: In this study, for wind turbine blades of variable cross-section vibration analysis of composite beams has been investigated analytically and numerically. Bernoulli composite beam theory used in the analytical part of the beam and the effect of the shear force from the beam has been neglected. A composite beam was created from layers 8. In the nume... Show More
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  • Simulation of Single-Diode Equivalent Model of Polycrystalline Silicon Solar Cells

    Beddiaf Zaidi, Izzeddine Saouane, Chander Shekhar

    Issue: Volume 7, Issue 1-1, January 2018
    Pages: 8-10
    Received: 29 August 2017
    Accepted: 30 August 2017
    Published: 31 August 2017
    DOI: 10.11648/j.ijmsa.s.2018070101.12
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    This article belongs to the Special Issue Energy and Materials II
    Abstract: A solar module is composed of photons of different energies, and some are absorbed at the p-n junction. A single-diode equivalent model is used to describe the electronic properties of solar cells. The theory as well as the construction and working of photovoltaic cells using single-diode method are also presented. So, choosing a electrical equival... Show More
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  • Preparation and Characterization of Phosphate Material Doped with Chromium

    Youssef Makhkhas, Saida Krimi, Mohamed Taibi, El Hassan Sayouty

    Issue: Volume 7, Issue 1-1, January 2018
    Pages: 11-17
    Received: 1 October 2017
    Accepted: 10 October 2017
    Published: 7 November 2017
    DOI: 10.11648/j.ijmsa.s.2018070101.13
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    This article belongs to the Special Issue Energy and Materials II
    Abstract: The paper reports a study on phosphate glasses containing Chromium, Iron and Sodium oxides. The phosphate glasses have been obtained in air by direct melting of Cr2O3, Fe2O3, Na2CO3, and (NH4)2HPO4. The preparation temperature is 1020°C. After annealing at 650°C for 48h, the glasses were partially crystallized and contained β-CrPO4 and Fe3(P2O7)2 c... Show More
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