Analisis Performa Sonic Crystal Window Sebagai Passive Noise Control Dalam Pengendalian Kebisingan Lalu Lintas

Bangga, Eveline (2022) Analisis Performa Sonic Crystal Window Sebagai Passive Noise Control Dalam Pengendalian Kebisingan Lalu Lintas. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Penelitian tugas akhir berjudul “ANALISIS PERFORMA SONIC CRYSTAL WINDOW SEBAGAI PASSIVE NOISE CONTROL DALAM PENGENDALIAN KEBISINGAN LALU LINTAS” bertujuan untuk mendapatkan konfigurasi sistem pengendalian kebisingan menggunakan metode passive noise control dengan Sonic Crystal Window. Rentang frekuensi yang menjadi pertimbangan adalah 500-1000Hz yang yang merupakan wilayah frekuensi utama kebisingan lalu lintas dengan energi suara terkonsentrasi. Penelitian ini dibagi menjadi dua tahap, pembuatan Sonic Crystal Window dan pengukuran data. SCW mempunyai dimensi dengan panjang 96 cm dan tinggi 86 cm yang tersusun dari 15 bilah balok tertutup yang terbuat dari bahan PVC dan berjarak 1 cm antar bilah. Pengukuran dilakukan di ruang Semi-anechoic menggunakan signal generator dengan single tone frekuensi 100 Hz – 1000 Hz, whitenoise, dan rekaman traffic noise. Pengukuran data dilakukan di dalam ruang semi-anechoic dan reverberation menggunakan mikrofon dan loudspeaker yang terhubung dengan soundcard dan software YMEC untuk mendapatkan nilai Insertion Loss (IL) dan Transmission Loss (TL). Berdasarkan rekaman traffic noise di dapatkan target pengurangan kebisingan yaitu pada rentang frekuensi 500 Hz – 1000 Hz. Sehingga dilakukan pengukuran IL yang kemudian di dapatkan nilai rata-rata pada rentang frekuensi 100 Hz – 400 Hz sebesar -1,5 dB dan pada rentang 500 Hz – 1000 Hz sebesar 6,9 dB. Pengukuran TL di dapatkan nilai rata-rata pada rentang frekuensi 100 Hz – 400 Hz sebesar 3,7 dB dan pada rentang 500 Hz – 1000 Hz sebesar 9,9 dB. Sehingga, berdasarkan hasil pengukuran IL dapat dikatakan bahwa penggunaan SCW cukup untuk menjadi efektif sebagai passive noise control dalam kebisingan lalu lintas.
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The final project research entitled "SONIC CRYSTAL WINDOW PERFORMANCE ANALYSIS IN TRAFFIC NOISE CONTROL" aims to obtain a noise control system configuration using passive noise control method with Sonic Crystal Window. The frequency range under consideration is 500 Hz - 1000Hz which is the main frequency region of traffic noise with concentrated sound energy. This research is divided into two stages, making Sonic Crystal Window and measuring data. SCW has dimensions with a length of 96 cm and a height of 86 cm which is composed of 15 closed beams made of PVC material and a distance of 1 cm between the blades. Measurements were made in the Semi-anechoic room using a signal generator with a single tone frequency of 100 Hz – 1000 Hz, whitenoise, and recorded traffic noise. Data measurement was carried out in the semi-anechoic and reverberation room using a microphone and loudspeaker connected to a soundcard and YMEC software to obtain the Insertion Loss (IL) and Transmission Loss (TL) values. Based on the recorded traffic noise, the target for noise reduction is obtained in the frequency range of 500 Hz – 1000 Hz. So that the IL measurement is carried out which is then obtained the average value in the frequency range of 100 Hz - 400 Hz is -1.5 dB and in the range of 500 Hz - 1000 Hz is 6.9 dB. TL measurements obtained an average value in the frequency range of 100 Hz – 400 Hz of 3.7 dB and in the range of 500 Hz – 1000 Hz of 9.9 dB. So, based on the results of the IL measurement, it can be said that the use of SCW is sufficient to be effective as passive noise control in traffic noise.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Gelombang Suara, Insertion Loss, Passive Noise Control, Transmission Loss, Sonic Crystal.
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science and Data Analytics (SCIENTICS) > Physics > 45201-(S1) Undergraduate Thesis
Depositing User:	Mr. Marsudiyana -
Date Deposited:	08 Oct 2025 07:36
Last Modified:	08 Oct 2025 07:36
URI:	http://repository.its.ac.id/id/eprint/128517

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