Specialized spatially-arranged non-circular fibers enhance filtration performance of African shrimp (Atya gabonensis)

IF 3.1 3区计算机科学 Q1 ENGINEERING, MULTIDISCIPLINARY

Bioinspiration & Biomimetics Pub Date : 2024-04-15 DOI:10.1088/1748-3190/ad3b57

Yifeng Liao, Jun Lyu, Yujia Zhang, Yuhe Hong, Shuoshuo Ding, Zhigang Wu, Hao Liu, Jianing Wu

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Abstract

African shrimp (Atya gabonensis) inhabit clear freshwaters, where the notably low concentration of food may pose a challenge to the efficacy of filter fibers on the chela for filter-feeding. Here, we investigate how the distinctive cross-sectional characteristics and spatial arrangement of the African shrimp’s non-circular fibers contribute to the enhanced filtration performance of these specialized fibers. The unilateral thickening of the wall along the long axis of the elliptical cross-section of African shrimp fibers markedly enhances the filtration performance. The staggered and twisted arrangement of the fibers optimizes the surrounding flow field, achieving a favorable balance between pressure drop and collection efficiency, consequently improving their filtration performance in collecting fine particles (diameter: 2–10 μm). Moreover, the arrangement of the fibers substantially increases the effective flow-facing filtering area of the fiber bundles, thus facilitating their efficiency in collecting larger particles (diameter > 10 μm). The unique fiber properties of the African shrimp offer novel insights for the design and optimization of new fiber-filtering robots, presenting a wide range of potential applications, such as marine in-situ resource extraction, medical filtration, and industrial filtration.

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特殊空间排列的非圆形纤维提高了非洲对虾（Atya gabonensis）的过滤性能

非洲对虾（Atya gabonensis）栖息在清澈的淡水中，这里食物的浓度很低，这可能会对螯上过滤纤维的过滤效率构成挑战。在这里，我们研究了非洲对虾非圆形纤维独特的横截面特征和空间排列如何有助于提高这些特化纤维的过滤性能。非洲对虾纤维的椭圆形横截面沿长轴的壁单侧加厚，明显提高了过滤性能。纤维的交错和扭曲排列优化了周围的流场，实现了压降和收集效率之间的良好平衡，从而提高了其收集细颗粒（直径：2-10 μm）的过滤性能。此外，纤维的排列还大大增加了纤维束的有效流向过滤面积，从而提高了收集较大颗粒（直径为 10 微米）的效率。非洲对虾独特的纤维特性为新型纤维过滤机器人的设计和优化提供了新的见解，为海洋原位资源提取、医疗过滤和工业过滤等领域提供了广泛的潜在应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Bioinspiration & Biomimetics 工程技术-材料科学：生物材料

CiteScore

5.90

自引率

14.70%

发文量

132

审稿时长

3 months

期刊介绍： Bioinspiration & Biomimetics publishes research involving the study and distillation of principles and functions found in biological systems that have been developed through evolution, and application of this knowledge to produce novel and exciting basic technologies and new approaches to solving scientific problems. It provides a forum for interdisciplinary research which acts as a pipeline, facilitating the two-way flow of ideas and understanding between the extensive bodies of knowledge of the different disciplines. It has two principal aims: to draw on biology to enrich engineering and to draw from engineering to enrich biology. The journal aims to include input from across all intersecting areas of both fields. In biology, this would include work in all fields from physiology to ecology, with either zoological or botanical focus. In engineering, this would include both design and practical application of biomimetic or bioinspired devices and systems. Typical areas of interest include: Systems, designs and structure Communication and navigation Cooperative behaviour Self-organizing biological systems Self-healing and self-assembly Aerial locomotion and aerospace applications of biomimetics Biomorphic surface and subsurface systems Marine dynamics: swimming and underwater dynamics Applications of novel materials Biomechanics; including movement, locomotion, fluidics Cellular behaviour Sensors and senses Biomimetic or bioinformed approaches to geological exploration.