Investigation of the Acoustic and Mechanical Properties of Homogenous and Hybrid Jute and Luffa Bio Composites

Saygili, Yusuf; Genc, Garip; Şanlıtürk, Kenan Y.; Körük, Hasan

doi:10.1080/15440478.2020.1764446

Cited by 17 publications

(14 citation statements)

References 41 publications

(56 reference statements)

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“…where ρ 0 is the air density and f shows the frequency. The Young's modulus of the luffa composite plates with similar fiber/epoxy ratios is around 2 GPa (Koruk and Genc 2019;Saygili et al 2020). Hence, the critical frequencies for the 15-20 mm thick luffa plates using Eqs.…”

Section: Theoretical Predictionsmentioning

confidence: 99%

“…Acoustic properties of the jute and luffa fiber and their composite forms have been determined experimentally in some works (Fatima and Mohanty 2011;Genc and Koruk 2017;Raj, Fatima, and Tandon 2020;Saygili et al 2020;Tang and Yan 2017;Tanobe et al 2005;Thilagavathi et al 2018;Zakriya and Ramakrishnan 2019). For example, the acoustic properties of the jute and luffa fibersreinforced composites for a single thickness and a single fiber/epoxy ratio have been experimentally determined before (Saygili et al 2020). There have been some studies to investigate the effects of density, sample thickness, and volume fraction on the acoustic properties of various natural plantbased materials.…”

Section: Introductionmentioning

confidence: 99%

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Jute and Luffa Fiber-Reinforced Biocomposites: Effects of Sample Thickness and Fiber/Resin Ratio on Sound Absorption and Transmission Loss Performance

Körük

Ozcan

Genc

et al. 2021

Journal of Natural Fibers

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The acoustic properties of natural fiber-reinforced composites should be identified before using these materials in various engineering applications including sound and vibration isolation. This study investigates the effects of sample thickness and fiber/resin ratio on the acoustic performance of jute and luffa fiber-reinforced biocomposites. For this purpose, jute and luffa composite samples with different thicknesses and fiber/epoxy ratios are manufactured and their sound absorption coefficients (SACs) and transmission losses (TLs) are determined using impedance tube method. Thicknessdependent tendencies of the SACs and TLs of jute and luffa composites for low-, medium-, and high-frequency ranges are identified. The effect of fiber/ epoxy ratio on the acoustic properties of jute and luffa composites as a function of frequency are determined. Furthermore, the SACs and TLs of some natural fiber-based samples with different thicknesses are predicted using mathematical models and the theoretical and experimental results are compared and evaluated.

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Section: Theoretical Predictionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Jute and Luffa Fiber-Reinforced Biocomposites: Effects of Sample Thickness and Fiber/Resin Ratio on Sound Absorption and Transmission Loss Performance

Körük

Ozcan

Genc

et al. 2021

Journal of Natural Fibers

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“…Although natural fiber composites with high mechanical strength can be obtained when a Please cite this article in press as: A. C. Ozcan, K. Y. Sanliturk, G. Genc, and H. Koruk, "Investigation of the sound absorption and transmission loss performances of green homogenous and hybrid luffa and jute fiber samples," Applied Science and Engineering Progress, 2021, doi: 10.14416/j.asep.2021.04.005. conventional resin (e.g., epoxy) is used [4], [5], there is currently an effort to obtain green natural fiber samples, i.e., natural fiber based structures with no resin or with natural resins [6]. Furthermore, there is currently an interest in producing hybrid structures that provide superior and combined properties compared to conventional monolithic samples [7].…”

Section: Introductionmentioning

confidence: 99%

“…The sound absorption coefficients (SACs) and transmission losses (TLs), of either fiber or composite forms, of luffa and jute have been determined experimentally in some works [10]- [16]. The acoustic and mechanical properties of homogenous and hybrid jute and luffa fiber-reinforced epoxy composites with an epoxy/fiber ratio of 30-60% have been recently explored [5], [14]. It is seen that the SACs of these jute and luffa fiber-reinforced epoxy composites are quite low [5], [14].…”

Section: Introductionmentioning

confidence: 99%

“…The acoustic and mechanical properties of homogenous and hybrid jute and luffa fiber-reinforced epoxy composites with an epoxy/fiber ratio of 30-60% have been recently explored [5], [14]. It is seen that the SACs of these jute and luffa fiber-reinforced epoxy composites are quite low [5], [14]. Sengupta et al determined that fiber thickness and density affect sound absorption as well as TL [17].…”

Section: Introductionmentioning

confidence: 99%

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Investigation of the Sound Absorption and Transmission Loss Performances of Green Homogenous and Hybrid Luffa and Jute Fiber Samples

Ozcan¹,

Şanlıtürk²,

Genc³

et al. 2021

j.asep

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In order to promote the use of natural fibers in noise and vibration applications, the properties of these structures should be fully identified. The sound absorption coefficients (SACs) and transmission losses (TLs) of green luffa fiber samples are thoroughly investigated and their acoustic performances are compared with the acoustic performances of green homogenous jute and hybrid jute/luffa fiber samples in this study. For this purpose, green homogenous luffa and jute fiber samples and their green hybrid fiber samples with different thicknesses (10, 20, 30, and 40 mm) are produced and their SACs and TLs are determined using the impedance tube method. First, the methods for the experimental identification of acoustic properties are presented and the variations in the measured acoustic properties are identified. After that, the effects of sample thickness on the acoustic performances of homogenous luffa as well as jute samples and their hybrid fiber samples as a function of frequency are explored. The thickness-dependent tendencies of the SACs and TLs of homogenous and hybrid luffa and jute fiber samples for low, medium and high frequency ranges are determined. Then, the acoustic performances of the homogenous and hybrid luffa and jute samples are compared and evaluated. The results and analyses for the acoustic properties of homogeneous luffa and jute fiber samples and their hybrid fiber samples for a variety of thicknesses and different frequencies presented here can be used to design homogenous as well as hybrid luffa and jute fiber structures in practical applications.

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Acoustic performance of natural fiber reinforced polymer composites: Influencing factors, future scope, challenges, and applications

et al. 2021

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Noise pollution caused by urbanization and industrial development must be effectively controlled to provide a pleasant living atmosphere. Different synthetic fiber materials have good acoustic performance, yet synthetic fiber materials have a high cost and have adverse effect on the environment. Natural fibers are a good alternative to synthetic fibers in terms of acoustic properties and they are also less expensive and have less environmental impact. Several factors affects the acoustic behavior of natural fiber reinforced polymer composites (NFRPCs). The present article focuses on the effect of different processing methods, reinforcement architecture, fiber diameter, laminate thickness and density on the acoustic performance of NFRPCs. Reinforcement architecture has been proved to be the best option in order to tailor the various acoustic properties of the composite laminates without even changing other physical properties. The challenges, future scope and potential applications of natural fibers in acoustic applications (home theaters, offices, cinema halls, automobiles, etc.) have also been discussed.

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Investigation of the Acoustic and Mechanical Properties of Homogenous and Hybrid Jute and Luffa Bio Composites

Cited by 17 publications

References 41 publications

Jute and Luffa Fiber-Reinforced Biocomposites: Effects of Sample Thickness and Fiber/Resin Ratio on Sound Absorption and Transmission Loss Performance

Jute and Luffa Fiber-Reinforced Biocomposites: Effects of Sample Thickness and Fiber/Resin Ratio on Sound Absorption and Transmission Loss Performance

Investigation of the Sound Absorption and Transmission Loss Performances of Green Homogenous and Hybrid Luffa and Jute Fiber Samples

Acoustic performance of natural fiber reinforced polymer composites: Influencing factors, future scope, challenges, and applications

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