Results 1 to 10 of about 11,598 (123)

Application of Scirpus grossus fiber as a sound absorber [PDF]

Heliyon
The application of Scirpus grossus (SG) fiber as a sound absorber is important to reduce the level of noise affected the physical and mental wellbeing of people.
Suhaeri Suhaeri, Mohamad Ali Fulazzaky, Husaini Husaini, Muhammad Dirhamsyah, Iskandar Hasanuddin   +4 more
doaj   +2 more sources

A comparative study on acoustical properties using waste recycled porous materials for environmental sustainability [PDF]

Scientific Reports
As noise pollution intensifies in urban areas, the need for sustainable and effective sound-reducing porous materials becomes increasingly critical. This research addresses that need by developing gypsum-based composites enhanced with vermiculite and ...
Vinoth Kumar Selvaraj, Jeyanthi Subramanian, Sri Sai Dutt, K. Annamalai, Elango Natarajan, S. Kumaresan   +5 more
doaj   +2 more sources

The Potential of Sawdust and Coconut Fiber as Sound Reduction Materials

Journal of Applied Engineering and Technological Science, 2023
In this study, biodegradable materials that could be utilized to reduce noise were examined. Sound absorption test was conducted with an impedance tube. Sawdust, coconut fiber, and expansive clay were used to create test samples.
Joseph Nyumutsu, Anthony Agyei-Agyemang, Prince Yaw Andoh, Peter Oppong Tawiah, Benjamin Atribawuni Asaaga   +4 more
doaj   +1 more source

Banana-Glass Fiber Composite for Acoustic Insulation and Prediction of Its Properties by Fuzzy Logic System

Journal of Natural Fibers, 2023
The objective of the current study is to develop a model employing a fuzzy logic expert system (FLES) for predicting the noise reduction coefficient (NRC) of a banana-glass fiber composite.
Moni Sankar Mondal, Syed Zubair Hussain
doaj   +1 more source

Optimization of acoustic performance of EPDM-based foams using Taguchi design of experiments: Appropriate content of additives [PDF]

Polyolefins Journal, 2023
Novel EPDM-based polymer foams were prepared using a combination of nanomaterials, namely nano silica, nano clay, and graphene nanoplatelets. In order to achieve optimal acoustic performance, the Taguchi design (TD) technique was applied to reduce the ...
Mohammad Nourmohammadi, Reza Jahanmardi, Hamid Moeenfard, Gholamhossein Zohuri, Saeed Bazgir   +4 more
doaj   +1 more source

Sound Absorption Behavior Related to Reduce the Melamine-Urea-Formaldehyde (MUF) Adhesives for the Coffee Silver Skin Board Production

Journal of Natural Fibers, 2023
The development of sound-absorbing panels which used coffee-silver-skin (CS) and melamine-urea-formaldehyde (MUF) as a composite board was studied. In this experiment, the objective was to examine the impact on the sound absorption coefficient (SAC) when
Visit Eakvanich, Putipong Lakachaiworakun, Wachara Kalasee, Panya Dangwilailux   +3 more
doaj   +1 more source

Jute Felt for Noise Reduction: Understanding Effect of Pore Size Distribution

Journal of Natural Fibers, 2022
Effect of pore size and its distribution on the noise reduction coefficient of jute felt were studied through capillary flow porometer and impedance tube.
Gautam Basu, Mallika Datta, Surajit Sengupta, Devarun Nath, Sayandeep Debnath   +4 more
doaj   +1 more source

Experimental Study on the Sound Absorption Properties of Finger Millet Straw, Darbha, and Ripe Bulrush Fibers

Advances in Materials Science and Engineering, 2021
Nowadays, emerging noise pollution by external factors causes harmful diseases in human beings. The development of a bio-based filler or panel will help to eliminate some unwanted noise in working places and living rooms.
K. M. Rakesh, Ramachandracharya Srinidhi, S. Gokulkumar, K. S. Nithin, S. Madhavarao, S. Sathish, Alagar Karthick, M. Muhibbullah, Sameh M. Osman   +8 more
doaj   +1 more source

Air permeability and sound absorption coefficient changes from ultrasonic treatment in a cross section of Malas (Homalium foetidum)

Journal of Wood Science, 2021
We investigated the effect of ultrasonic treatment on Malas (Homalium foetidum) gas permeability and sound absorption coefficient using the transfer function method.
Chun-Won Kang, Eun-Suk Jang, Nam-Ho Lee, Sang-Sik Jang, Min Lee   +4 more
doaj   +1 more source

Acoustical behavior of camellia sinensis/ananas comosus fiber based uni-directional corrugated panel for sound damping application

Materials Research Express, 2022
To achieve a durable, rigid, and lightweight construction material, a new class of Camellia sinensis / Ananas comosus fiber-enhanced corrugated sandwich panel was designed and produced.
N Karthi, S Gokulkumar, S Sathish, U S Rajkumar   +3 more
doaj   +1 more source