Numerical study on air retention in fibrous media with dual-scale structure by a PF-LB model

Wenqiang Chen, Yumei Yong, Hanyang Mo, Jialin Dai, Menghui Li, Baocang Ma, Chao Yang, State Key Laboratory of Petroleum Molecular and Process Engineering, Institute of Process Engineering, Chinese Academy of Sciences, School of Chemical Engineering, University of Chinese Academy of Sciences, Petrochemical Research Institute, Petro China, College of Environment and Chemical Engineering, Dalian University

Journal of Reinforced Plastics and Composites

Published online on July 17, 2025

Abstract

Journal of Reinforced Plastics and Composites, Ahead of Print.
Defects often occur due to air retention and poor infiltration in resin filling process in resin transfer molding (RTM). Investigating the characteristics of resin filling and the mechanism of air retention for dual-scale variables in a fiber preform is ...