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Predicting Air Permeability of Nylon Parachute Fabrics

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Last updated: 04 Jan 2025

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Abstract

Parachute is used to slow the motion of an object through an atmosphere by creating drag. Its performance is considerably affected by the variation of fabric air permeability. Fabrics air permeability is affected by several factors such as porosity which depends mainly on the fabric and yarns construction. In this study , a theoretical model was formed to predict the air permeability of a parachute plain weave structure depending on the geometrical parameters, such as the yarn count, ends per cm, wefts per cm, fabric thickness, yarn diameter and fiber density. Furthermore, a theoretical model of porous systems is based on D'Arcy's lows was used. The experimental results were confirmed by examining 24 samples of 100% nylon plain fabrics produced with different yarn count and density. Linear Regression model was used to improve the theoretical model. The results revealed that, the proposed model is efficient for the calculation the air flow rate of nylon parachute fabrics.

DOI

10.12816/0046569

Keywords

Parachute, Air Permeability, porosity, air velocity, nylon

Authors

First Name

Mahmoud

Last Name

El Shakankery

MiddleName

H.

Affiliation

Spinning and Weaving Engineering Dept., Textile Research Division, National Research Centre

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First Name

Mohmed

Last Name

Kasem

MiddleName

H.

Affiliation

Spinning and Weaving Engineering Dept., Textile Research Division, National Research Centre

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City

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Orcid

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First Name

Mostafa

Last Name

Al-Ebiary

MiddleName

E.

Affiliation

Department of textile, spinning and knitting, Faculty of Applied Arts, Helwan University, Egypt

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Volume

7

Article Issue

2

Related Issue

12187

Issue Date

2017-04-01

Receive Date

2017-02-11

Publish Date

2017-04-01

Page Start

235

Page End

240

Print ISSN

2090-9632

Online ISSN

2090-9640

Article File

IDJ_Volume 7_Issue 2_Pages 235-240.pdf

PDF . 1.2MB

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https://idj.journals.ekb.eg/article_89227.html

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https://idj.journals.ekb.eg/service?article_code=89227

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21

Type

Original Article

Type Code

1,217

Publication Type

Journal

Publication Title

International Design Journal

Publication Link

https://idj.journals.ekb.eg/

MainTitle

Predicting Air Permeability of Nylon Parachute Fabrics

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Article

Created At

22 Jan 2023