دانلود مقاله ISI انگلیسی شماره 150409
کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
150409 2018 51 صفحه PDF سفارش دهید 12336 کلمه
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عنوان انگلیسی
Hydrogenation behavior in rectangular metal hydride tanks under effective heat management processes for green building applications
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Energy, Volume 142, 1 January 2018, Pages 518-530

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چکیده انگلیسی

A fully validated with solid experimental results numerical study regarding the hydrogenation process of rectangular metal hydride beds under effective internal heat management is presented and analysed. Three different geometries equipped with plain embedded heat management tubes are introduced and examined. For each geometry, five different values of metal hydride thickness are studied and additionally, the effect of the coolant flow is examined in terms of different values of heat transfer coefficient [W/m2K]. To evaluate the effect of the heat management process, a variable named as Non-Dimensional Conductance (NDC) is analysed and studied. Furthermore, three different materials are introduced, two “conventional” AB5 intermetallics and a novel AB2-based Laves phase intermetallic. According to the results, the optimum value for the metal hydride thickness was found to be 10.39 mm, while the optimum value for the heat transfer coefficient was 2000 [W/m2K]. For the above optimum conditions, the performance of the novel AB2-based Laves phase intermetallic showed the fastest hydrogenation kinetics compared to the other two AB5 intermetallics indicating that is a powerful storage material for stationary applications.

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