Constructal network for heat and mass transfer in a solid-gas reactive porous medium

Y. Azoumah; N. Mazet; P. Neveu

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Constructal network for heat and mass transfer in a solid-gas reactive porous medium

机译：固-气反应性多孔介质中传热和传质的构造网络

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摘要

The functioning of the solid-gas reactors is governed by several combined phenomena: heat and mass transfer and solid-gas chemical reaction. Heat and mass transfer phenomena have an antagonistic behavior in the reactive material used in the solid-gas reactors. This behavior of the material influences strongly both their power and energy performance and their design. In this paper, an optimal tree-shaped network for heat and mass transfer is constructed by using the constructal approach and the entropy generation minimisation method. The results of these optimisation show that, for a given heat and gas diffuser and a fixed porosity, we can find an optimal diffusers network design for any material. These optimal designs have the same minimum of entropy generation or "entropy generation number".

机译：固-气反应器的功能受多种综合现象控制：传热和传质以及固-气化学反应。传热和传质现象在固体气体反应器中使用的反应性材料中具有对抗性。材料的这种行为会极大地影响其功率和能量性能以及设计。本文采用构造方法和熵产生最小化方法，构造了一个最佳的传热传质树形网络。这些优化的结果表明，对于给定的热和气体扩散器和固定的孔隙率，我们可以找到适用于任何材料的最佳扩散器网络设计。这些最优设计具有相同的最小熵产生量或“熵产生数”。

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来源
《International Journal of Heat and Mass Transfer》 |2004年第16期|p.2961-2970|共10页
作者
Y. Azoumah; N. Mazet; P. Neveu;
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作者单位

IMP-CNRS UPR 8521, Institut de Science et Genie des Materiaux et Precedes, Tecnosud, Rambla de la Thermodynamique, 66100 Perpignan, France;

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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
中图分类热力工程理论;热学;
关键词
constructal theory; entropy generation minimisation; porous media; solid-gas reactors;

机译：结构理论;熵产生最小化;多孔介质;固相反应器;

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1. Heat and Mass Transfer for a Constant Heat Boundaryin Porous Reactive Medium under Local Non Equilibrium Conditions [J] . A. Bousri, K.Bouhadef, H.Beji, Diffusion and Defect Data. Solid State Data, Part A. Defect and Diffusion Forum . 2010,第Pta1期

机译：局部非平衡条件下恒定热边界多孔反应介质的传热传质
2. Constructal entransy dissipation rate minimization for solid-gas reactors with heat and mass transfer in a disc-shaped body [J] . Huijun Feng, Lingen Chen, Zhihui Xie, International Journal of Heat and Mass Transfer . 2015,第octa期

机译：盘状体中传热传质的固体气体反应器的结构传递损耗最小
3. Constructal entropy generation minimization for heat and mass transfer in a solid-gas reactor based on triangular element [J] . Zhou SB, Chen LG, Sun FR Journal of Physics, D. Applied Physics: A Europhysics Journal . 2007,第11期

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5. Modeling coupled mass and heat transfer in porous medium using finite element method. [D] . Qin, Renzhi. 1995

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Constructal network for heat and mass transfer in a solid-gas reactive porous medium

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