بررسی جذب صوت پارچه دوجداره حلقوی تاری با پوشش نانو الیاف

داودآبادی فراهانی, محمد; اصغریان جدی, علی اصغر; جمشیدی, مصطفی

بررسی جذب صوت پارچه دوجداره حلقوی تاری با پوشش نانو الیاف

نوع مقاله : مقاله پژوهشی

نویسندگان

¹ تکنولوژی نساجی، مهندسی نساجی، دانشگاه یزد، یزد، ایران

² دانشگاه امیرکبیر

³ دانشگاه گیلان

چکیده

در دنیای پیشرفته امروزه به دلیل گسترش صنایع و استفاده از ماشین آلات در کارخانجات، سر و صدا به جزئی اجتناب ناپذیر از زندگی تبدیل شده است. همین علت سبب شد تا انسان توجه بیشتری به حس شنوایی پیدا کرده و علم آکوستیک در زمره موضوعات اساسی مورد مطالعه قرارگیرد. یکی از روش ها برای کنترل آلودگی صوتی، روش‌ جذب امواج صوتی می باشد. در طراحی های متفاوت آکوستیکی، مواد جاذب صوت متخلخل مورد توجه قرار گرفته اند. در همین راستا منسوجات به دلیل شکل پذیری و تخلخل مناسب مورد بررسی قرار گرفته اند. در این تحقیق ابتدا پارچه دو جداره حلقوی تاری بر روی ماشین راشل دو میله سوزن تولید شد. سپس نانوالیاف پلی اکریلونیتریل (PAN) بر روی پارچه دوجداره حلقوی تاری به وسیله دستگاه الکتروریسی تک نازله با مدت زمان های مختلف الکتروریسی، پوشش داده شد. جذب صوت پارچه دوجداره حلقوی تاری پوشش داده شده با نانوالیاف PAN از روش لوله امپدانس در باند فرکانس های 1000 تا 5000 هرتز مورد بررسی قرار گرفت. نتایج بدست آمده حاصل از آزمایش نشان داد پوشش نانو الیاف PAN بر روی پارچه دوجداره حلقوی تاری باعث افزایش ضریب جذب صوت در همه فرکانس‌ها می شود.

کلیدواژه‌ها

20.1001.1.21517162.1400.10.2.2.9

موضوعات

پلیمرها و کامپوزیت های نساجی

عنوان مقاله [English]

Investigation of sound absorption of Warp Knitted Spacer Fabric with nanofiber coating

نویسندگان [English]

Mohammad Davoudabadi Farahani ¹
Ali Asghar Asgharian Jeddi ²
Mostafa Jamshidi ³

¹ Department of Textile Engineering, Yazd University, Yazd, Iran

² Amirkabir University

³ University of Guilan

چکیده [English]

In today's advanced world, due to the expansion of industries and the use of machinery in factories, noise has become an inevitable part of life. This caused man to pay more attention to the sense of hearing and to study acoustics among the basic subjects. One of the methods to control noise pollution is the method of absorbing sound waves. In different acoustic designs, porous sound-absorbing materials have been considered. In this regard, textiles have been studied due to their ductility and Porosity.

In this study, Warp Knitted Spacer Fabric(WKSF) was produced on a by double needle bar Rachel machine. Then, polyacrylonitrile (PAN) nanofibers were coated on (WKSF) by a single-nozzle electrospinning device with different electrospinning durations. The sound absorption of (WKSF) coated with PAN nanofibers was investigated by impedance tube method in the frequency band of 1000-5000 Hz. The experimental results showed that the coating of PAN nanofibers on (WKSF) increases the sound absorption coefficient at all frequencies.

کلیدواژه‌ها [English]

"؛ warp Knitted Spacer Fabric"؛ Polyacrylonitrile
"؛ Nanofibers"؛ impedance tube method"؛
"؛ Sound Absorption Coefficient"

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