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All Journal Jurnal Fisika Unand Emerging Science Journal Jurnal Ilmu Fisika MONSU'ANI TANO Jurnal Pengabdian Masyarakat BERNAS: Jurnal Pengabdian Kepada Masyarakat Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Eduvest - Journal of Universal Studies
Elvaswer Elvaswer
Departemen Fisika, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Andalas
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Karakteristik Koefisien Absorpsi Bunyi dan Impedansi Panel Akustik dari Styrofoam Menggunakan Metode Tabung Zahwa Khairunisa; Elvaswer Elvaswer
Jurnal Fisika Unand Vol 13 No 4 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.4.518-524.2024

Abstract

Research has been carried out regarding the sound absorption coefficient and impedance values of acoustic panels made from Styrofoam material, which aims to overcome sound noise. This research uses the impedance tube method, an acoustic material made from Styrofoam. Acoustic material samples are made from Styrofoam and have various shapes plain, non-perforated, perforated, serrated, ribbed, and hollow. The frequency ranges used in this research are 500 Hz, 1000 Hz, 2000 Hz, 4000 Hz, and 8000 Hz. The results of the study show that the highest sound absorption coefficient value is in the sample with a through hole with a hole diameter of 0.8 cm and a depth of 1.8 cm at a frequency of 1000 Hz, namely 0.99 and the lowest sound absorption coefficient value is at a frequency of 8000 Hz,0.78 in the sample Plain. The highest acoustic impedance value was obtained at a frequency of 1000 Hz, namely 4.16 dyne.s/cm5 with a sample with a through hole. This is influenced by the diameter of the hole and the depth on the surface of the Styrofoam. Styrofoam material can be used as a sound-absorbing material based on the sound absorption coefficient and acoustic panel impedance values. 
Education of Disaster Awareness through Disaster Readiness Socialization as an Effort to Increase Community Knowledge around the Nobita Hill Tourism Area on Disaster Mitigation Marzuki Marzuki; Mutya Vonnisa; Harmadi Harmadi; Dwi Pujiastuti; Arif Budiman; Dwi Puryanti; Sri Oktamuliani; Imam Taufiq; Meqorry Yusfi; Rahmat Rasyid; Astuti Astuti; Sri Handani; Sri Rahayu Alfitri Usna; Dian Fitriyani; Elvaswer Elvaswer; Muhammad Arif; Muhammad Kahfi; Naela Amalia Zulfa; Iqbal Ramadhan; Nurul Hasanah; Feriska Handayani Irka
Warta Pengabdian Andalas Vol 31 No 2 (2024)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jwa.31.2.353-361.2024

Abstract

Nobita Hill, a tourist site in Padang City, is undergoing development as a tourist destination that offers a bird's-eye view of Padang City. Unfortunately, the hilly topography with steep slopes increases the risk of landslides in this area. In order to address the problem, the community service team from the Physics Department of Andalas University has carried out a six-month community service program from July to December 2022. It focused on disaster awareness education and used a qualitative approach. This activity aims to socialize disaster mitigation efforts, especially those related to landslides and earthquakes, considering that Padang City is also prone to earthquakes. The results of this activity showed an increase in the knowledge of the local community after the socialization, but repeated activities are needed to achieve optimal results. This ongoing activity is essential to ensure continuous improvement in the community's understanding of disaster mitigation and to support efforts to make Bukit Nobita a disaster-resilient area. Thus, this activity makes a positive contribution to shaping a safe, sustainable, and disaster-resilient tourism environment.
Co-Authors Abu Khalid Rivai Abu Khalid Rivai Ade Oktavia Adella Kusmala Dewi Afdhal Muttaqin Arif Budiman Arlindo Rizal Arlindo Rizal, Arlindo Arva Yogi Astuti Astuti Astuti Astuti Astuti Astuti Astuti Ayu Afifah Al-Farzaq Azri Risandi Bery, Winda Surya Dahyunir Dahlan Dedi Mardiansyah Dian Fitriyani Dian Fitriyani Dwi Pujiastuti Dwi Pujiastuti Dwi Puryanti El Basthoh Enny Zarvianti Enny Zavianti Essy Puspa Zelvia Fajri Ridhola Fajri Ridhola, Fajri Feriska Handayani Irka, Feriska Handayani Frastica Deswardani Harma Dwi Putri Harmadi Harmadi Harmadi Harmadi Hendri , Hudya Fitra Hasmin Ikhsan, Khairatul Ilham Afriesta Bahar Ilham Perdana Imam Taufik Imam Taufiq Imam Taufiq Ingka Amelia Iqbal Ramadhan Iqbal Ramadhan Irene Wijaya Iswandi Iswandi Khairatul Ikhsan Mardaleni Mardaleni Mardiah Mardiyanto Mardiyanto Mardiyanto Mardiyanto Marzuki Marzuki Marzuki Marzuki Melia Rosa Meqorry Yusfi Mohammad Ali Shafii Mora Mora Mora Mora Mora Muhammad Arif Muhammad Arif Muhammad Kahfi Muhammad Kahfi Muhammad Nikon Muldarisnur, Mulda Mutya Vonnisa Naela Amalia Zulfa Naela Amalia Zulfa Nesfi Addina Nova Fitriani Nurul Hafifah Nurul Hasanah Palmasi Syahputra Paradita Ramli Prima Ade MD Rahmad Rasyid Rahmad Rasyid Rahmat Rasyid Rahmat Rasyid Ramacos Fardela Ramli, Paradita Rani Delvihardini Ratna Sari Dewi Reni Oktavia Reza Hamdani Rozi Riwanda Sinta Maiyeni Solly Aryza Sonya Yuliantika Sonya Yuliantika Sonya Yuliantika, Sonya Sri Handani Sri Oktamuliani Sri Ramadhani Sulistioso G.S Sulistioso G.S, Sulistioso Sulistioso Giat Sukaryo Sulistioso Giat Sukaryo, Sulistioso Giat Tika Wulan Dari Titit Puspita Sari Trengginas Eka Putra Sutantyo Usna, Sri Rahayu Alfitri Veithzal Rivai Zainal Vivi Wijaya Vonny Febrita Vonny Febrita, Vonny Wahyuni Putri Wildian Wildian Winda Surya Bery Ya Putri Yulda Risma Yulia Fitri Yulia Rezita Yulita Yulita Yusratul Aziza Zahwa Khairunisa Zarvianti, Enny Zavianti, Enny Zelvia, Essy Puspa Zulfi Zulfi Zulfi Zulfikri Syafnur