Investigation the Performance of a Low-Cost Test Box Design Like to the Alpha Cabin for Sound Transmission Loss Tests

Authors

  • Hatice Mehtap Buluklu

    Graduate Education Institute, Tarsus University, 33400 Mersin, Turkey

DOI:

https://doi.org/10.30564/jbms.v7i1.8198
Received: 24 December 2024 | Revised: 8 January 2025 | Accepted: 17 January 2025 | Published Online: 28 February 2025

Abstract

Today, noise control is of critical importance. In order to provide sound insulation, parameters such as Sound Transmission Loss (STL) and sound absorption coefficient are measured in environments such as impedance tubes, Alpha Cabin and echo chambers. However, the low number of accredited acoustic test rooms in Turkey and the high-test costs cause these tests to be performed in limited numbers. In this direction, test box similar to the Alpha Cabin designed aims to both reduce costs and perform tests in a healthy way using natural and recyclable materials, and to prevent damage to test devices caused by hard materials. In this study, samples with STL values above 30 dB at 500-8000 Hz. were selected and tested in the designed system. As a result, it was seen that the data were close to each other. The highest value was obtained as 49, 13 dB at 4000 Hz. in a 2 cm thick gypsum board, gypsum and concave walnut shell sample (moving surface L1). This situation provides an important contribution in terms of sound insulation by using natural and recyclable materials and the proposed test box, meeting the experimental criteria at low cost and in the field of noise control.

Keywords:

Acoustic; Sound Transmission Loss (STL); Alpha Cabin; Natural Material; Noise

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How to Cite

Hatice Mehtap Buluklu. (2025). Investigation the Performance of a Low-Cost Test Box Design Like to the Alpha Cabin for Sound Transmission Loss Tests. Journal of Building Material Science, 7(1), 30–43. https://doi.org/10.30564/jbms.v7i1.8198

Issue

Vol. 7 , Iss. 1 (March 2025): In Progress

Article Type

Article

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Copyright © 2025 Hatice Mehtap BULUKLU

Creative Commons License

This is an open access article under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) License.

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