Numerical Investigation of Heat and Mass Transfer During the Desorption Process of a LaNi_5-H_2 Reactor

Fatma Bouzgarrou; Faouzi Askri; S. Ben Nasrallah

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Numerical Investigation of Heat and Mass Transfer During the Desorption Process of a LaNi_5-H_2 Reactor

机译：LaNi_5-H_2反应器解吸过程中传热传质的数值研究

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In this paper, coupled heat and mass transfer during the desorption process of a metal-hydrogen reactor (LaNi_5-H_2) is numerically investigated. To predict the dynamic behavior of this reactor, a new algorithm based on the lattice Boltzmann method (LBM) is proposed as a potential solver. Based on this algorithm, a computer code is developed using Fortran 90. This algorithm is validated successfully by comparison with experimental data reported in the literature and results obtained by finite volume method (FVM). Using the developed code, the time-space evolutions of the temperature and the hydride density within the reactor are presented. In addition, the effect of some parameters (applied pressure, heating temperature, and overall heat transfer coefficient) on the dynamic behavior of the reactor is evaluated. Compared to the FVM, the proposed algorithm presents simple implementation on a computer and with reduced CPU time.

机译：本文对金属-氢反应器（LaNi_5-H_2）解吸过程中的传热传质进行了数值研究。为了预测该反应堆的动力学行为，提出了一种基于晶格玻尔兹曼法（LBM）的新算法作为电势求解器。基于此算法，使用Fortran 90开发了计算机代码。通过与文献中报道的实验数据以及通过有限体积法（FVM）获得的结果进行比较，成功验证了该算法。使用开发的代码，显示了反应器内温度和氢化物密度的时空变化。此外，评估了一些参数（施加压力，加热温度和总传热系数）对反应器动态行为的影响。与FVM相比，该算法在计算机上实现了简单的实现，并减少了CPU时间。

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来源
《Journal of Heat Transfer》 |2016年第9期|091006.1-091006.7|共7页
作者
Fatma Bouzgarrou; Faouzi Askri; S. Ben Nasrallah;
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作者单位

Laboratory of Energy and Thermal Systems (LESTE), University of Monastir, Monastir 5019, Tunisia;

Laboratory of Energy and Thermal Systems (LESTE), University of Monastir, Monastir 5019, Tunisia Faculty of Engineering, King Khalid University, Abha 62529, Saudi Arabia;

Laboratory of Energy and Thermal Systems (LESTE), University of Monastir, Monastir 5019, Tunisia;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
lattice Boltzmann method; metal hydride; LaNi_5; hydrogen storage; heat transfer;

机译：格子玻尔兹曼法金属氢化物LaNi_5;储氢传播热量;

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Numerical Investigation of Heat and Mass Transfer During the Desorption Process of a LaNi_5-H_2 Reactor

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