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Extended efficient network-matrix model inspired by natural palmate leaves

Hu, Liguo, Wang, Dantong, Zhu, Hanxing and Fan, Tongxiang 2018. Extended efficient network-matrix model inspired by natural palmate leaves. International Journal of Heat and Mass Transfer 119 , pp. 20-25. 10.1016/j.ijheatmasstransfer.2017.11.098

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Abstract

Network-matrix architectures have drawn considerable attention in wide varieties of practical applications. Networks are the highways for perfusing (or extracting) physical flows into (or from) matrices, thus determine the performance of network-matrix architectures. Constructal law states that “for a finite-size system to persist in time (to live), it must evolve in such a way that it provides greater and greater access to the currents flowing through it”. Plant leaves are ubiquitous network-matrix architectures selected by nature during the long evolution, which will shed light on efficient network-matrix architectures. The two basic kinds of plant leaves are pinnate and palmate leaves. Palmate leaf vein networks with multiple first-order veins confer greater tolerance of vein damage, especially the first-order vein damage, than pinnate leaf vein networks with a single first-order vein. However, few studies have been conducted to analyze the effect of first-order vein number on the transport efficiency of leaf vein networks. In this study, inspired by palmate leaves, we analytically investigate the effect of first-order channel number on physical flow transport efficiency of the network in the network-matrix architecture. The results show that the palmate leaf-like network is more efficient, which can achieve lower maximum and total potential drops than the pinnate leaf-like network. The results can be applied to designing more efficient network-matrix architectures.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: Elsevier
ISSN: 0017-9310
Date of First Compliant Deposit: 23 November 2017
Date of Acceptance: 18 November 2017
Last Modified: 04 Jan 2018 11:38
URI: http://orca.cf.ac.uk/id/eprint/106948

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