Modeling method for variable and isotropic permeability design of porous material based on TPMS lattices

被引：19

作者：

Zeng, Chaoqun ^{[1
]}

Wang, Wei ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Mech & Elect Engn, Chengdu 611731, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2022年 / 176卷

基金：

中国国家自然科学基金;

关键词：

TPMS; Permeability; Analytical model; Isotropy; BIOMIMETIC SCAFFOLDS; FLOW; TRENDS;

D O I：

10.1016/j.triboint.2022.107913

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Porous materials are widely used in fluid and heat transport fields. The present graphite porous materials have random internal pore distribution, and it is difficult to precisely reconstruct their tiny pore structures and manage their permeability. In this work, a method of constructing porous structures based on triply periodic minimal surfaces (TPMS) is proposed, and the effect law of wall thickness and curvature parameter C on the permeability of TPMS porous structures is investigated. Permeability isotropic structures with permeability of approximately 5e-14 m(2) to 2e-13 m(2) are obtained by structural parameters adjustment and composite units. The study can provide a basis for the design of porous structures in the field of aerostatic bearings and heat transfer.

引用

页数：19

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