Home Journals Articles Updates About
CN
image
收藏切换
Prediction Models of Airflow Resistivity of Kapok Felt Having Two Fiber Cross‑Sectional Shapes
收藏切换
PDF
Xinxing XIE1, Min LI1, Wenbin SHANGGUAN1, Shanmiao YANG2, Qu ZHANG2
Journal of Vibration,Measurement and Diagnosis | 2025, 45(5) : 944 - 950
Less
收藏切换
Journal of Vibration,Measurement and Diagnosis | 2025, 45(5): 944-950
• PAPER •
Prediction Models of Airflow Resistivity of Kapok Felt Having Two Fiber Cross‑Sectional Shapes
Full
Xinxing XIE1, Min LI1, Wenbin SHANGGUAN1, Shanmiao YANG2, Qu ZHANG2
Affiliations
  • 1.School of Mechanical and Automotive Engineering，South China University of Technology　Guangzhou，510641，China
  • 2.Ningbo Tuopu Group Co.，Ltd.　Ningbo，315800，China
Published: 2025-10-01 doi: 10.16450/j.cnki.issn.1004-6801.2025.05.012
Outline
收藏切换

To address the inadequacy of existing models for predicting the flow resistivity of kapok felt，the airflow resistivity of kapok felt with different bulk densities is tested. Initially，the airflow resistivity of kapok felt is calculated using empirical and theoretical models commonly used in fibrous materials. Subsequently，a new empirical model suitable for predicting the flow resistivity of kapok felt is developed by fitting the experimental data. Finally，considering the cross-sectional geometries and arrangement of kapok fibers at different bulk densities，theoretical models for the flow resistivity of kapok felt are derived by determining the average velocity and frictional force within micro-units，for both circular and flattened fiber cross-sections，based on the Tarnow model and the Hagen-Poiseuille flow assumption. The models are further modified using a flattening ratio parameter. Results demonstrate that compared to the measured values，the prediction accuracy of existing models for kapok felt flow resistivity is low. The modified model is applicable to transitional states between the two cross-sectional geometries. Within the bulk density range of 20 to 180 kg/m³，the modified model exhibits high prediction accuracy.

kapok felt  /  fiber cross-sectional shape  /  theoretical models  /  modified model  /  airflow resistivity prediction
Xinxing XIE, Min LI, Wenbin SHANGGUAN, Shanmiao YANG, Qu ZHANG. Prediction Models of Airflow Resistivity of Kapok Felt Having Two Fiber Cross‑Sectional Shapes[J]. Journal of Vibration,Measurement and Diagnosis, 2025 , 45 (5) : 944 -950 . DOI: 10.16450/j.cnki.issn.1004-6801.2025.05.012
Appendix
Less
Year 2025 volume 45 Issue 5
PDF
96
43
Cite this Article
BibTeX
Article Info
doi: 10.16450/j.cnki.issn.1004-6801.2025.05.012
  • Receive Date：2023-02-16
  • Online Date：2026-03-27
  • Published：2025-10-01
Article Data
Affiliations
History
  • Received：2023-02-16
  • Revised：2023-03-13
Affiliations
    1.School of Mechanical and Automotive Engineering，South China University of Technology　Guangzhou，510641，China
    2.Ningbo Tuopu Group Co.，Ltd.　Ningbo，315800，China
References
Share
https://castjournals.cast.org.cn/joweb/zdcsyzd/EN/10.16450/j.cnki.issn.1004-6801.2025.05.012
Share to
QR

Scan QR to access full text

Cite this article
BibTeX
Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
关闭全屏
  • BibTeX
  • EndNote
  • RefWorks
  • TxT
Links
Articles
Latest Articles
Most Read
Collections
Updates
Events
News
Multimedia
About
About Us
Contact
No. 86 Xueyuan South Road, Haidian District, Beijing
100081
010-62199257
qkjq@cast.org.cn

Copyright © 2025 China Association for Science and Technology. All rights reserved. For all open access content, the relevant licensing terms apply.
Sponsored by the Office of the Leading Group for Cybersecurity and Informatization of CAST, and supported by Science and Technology Review Publishing House