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Fianti Fianti, Fianti
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Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Journal : Physics Education Research Journal

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POTENSI SEKAM PADI DAN JERAMI SEBAGAI ALTERNATIF MATERIAL AKUSTIK Rohim, Ahmad Minanur; Fianti, Fianti; Nurbaiti, Upik
Physics Education Research Journal Vol 2, No 1 (2020)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.3 KB) | DOI: 10.21580/perj.2020.2.1.4883

Abstract

Technology that is increasingly developing produces equipments in the form of information, communication, production, transportation and entertainment facilities. Most of the equipments produce noises. Noise can be reduced by using acoustic dampers. This study aims to determine the potential for sound absorption from rice husks and straw as natural acoustic materials. Materials used include rice husks, rice straw, and resin. 12 cylindrical samples were made. Samples that have been made are tested using a sound absorption measuring instrument that is the impedance tube to measure the value of the sample sound absorption coefficient. The test results show the value of the sound absorption coefficient (?) can be influenced by the thickness. At a frequency of 500 Hz the value of the sound absorption coefficient (?) for each sample is 0.034dB; 0.030dB; 0.030dB; 0.027dB; 0.026dB; 0.027dB; 0.025dB; 0.025dB; 0.025dB; 0.024dB; 0.024dB; 0.023dB; 0.023dB. The sample material is good in research on materials 1 and 2 which have a sound absorption of 0.034 dB and 0.030 dB.
Potensi Limbah Ampas Teh sebagai Alternatif Material Akustik Ramah Lingkungan Ukhti Mutia Munifatuzzahroh; Ian Yulianti; Fianti Fianti
Physics Education Research Journal Vol 3, No 2 (2021)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2021.3.2.8390

Abstract

The research aims to determine the potential of tea waste as an environmentally friendly alternative acoustic material. The acoustic material is made by mixing tea waste powder with fox glue and water, formed, and dried. The acoustic material was made into six samples with different compositions of tea wastes, that were 20 g, 40 g, 60 g, 80 g, 100 g, and 120 g. The value of the effectiveness of noise reduction and the coefficient of sound absorption, both were obtained the most optimum in sample 6 with a composition of 120 g, that were 10.1% and 0.07497 dB. The value of both increases with the increase of the composition of the tea wastes in the acoustic material.
Co-Authors Abu Sahmah Mohd Supaat Agus Yulianto Aji Purwinarko, Aji Al Aziz, Sofyan Amal, Mohammad Ikhlasul Anak Agung Gede Sugianthara Ani Rusilowati Asih, Nur Fitri Asmaul Husna Azizah Mutiarani Azizah Zhafirah Badrul Munir, Badrul Baiti, Upik Nur Bambang Subali Budi Astuti Budi Astuti Bunaya Hanif Wintribrata Candra Dewi Cholis, Muhammad Ridwan Nur Darsono, Teguh Didik Aryanto Didik Aryanto Durrotun Nafisah Durrotun Nafisah Dwi Indah Lestari DWI YULIANTI Dyah Rini Indriyanti Edi, Sukiswo Supeni Edy Cahyono Effendy, Suhardi Ellianawati, Ellianawati Etik Irawati Fariyya, Dewi Raokhil Iklima Fatmala, Rita Iva Firdhosiyah, Siti Gelu, Afrianus Givarin, Delvananta Hadi Susanto Hammam, Hammam Helvi Rumiana Henny Indah Pratiwi Hidayah, Rizki Roqissatul Hidayat, Sony Husna Arifah Ian Yulianti Ian Yulianti, Ian Iis Widya Harmoko, Iis Widya J.Y. Jung K.H. Kim Karimah, Naelatul Khoiru Ainin Nisa Khumaedi - Kim, Kyoo Ho Kukuh Eka Kurniansyah Kurniansyah, Kukuh Eka Laily Nur Azizah Langlang Handayani Leonardy, Joshu Liana, Yeni Rima Luqman Hakim M.I. Amal maimanah, siti Masturi Masturi Mufatihah, Nishfa Mugi Lestari Muhammad Rasyid Ridla, Muhammad Rasyid Munawaroh, Rosyidatul Mutiarani, Azizah Nafisah Irfani Setiasiwi Nafiusokhib, Nafiusokhib Neratania, Alvina Ngurah Made Dharma Putra Nisa, Narita Ainun Nugroho, Krisna Ardi NUR HAMID Nur Hamid Nurcahya, Mufid Eska Nurmaya, Eka Pakungwati, Intan Fauziyyah Paminto, Joko Prayogo, Defrian Putra, Ngurah Made Darma Putra, Ngurah Made Dharma Putut Marwoto Rachmawati, Sekar Rohim, Ahmad Minanur Rulyaimah, Rulyaimah Rumiana, Helvi S Sulhadi S.H. Lee Salim, Salisa Yumna Setyanugraha, Noval Siti Khodijah Afsas siti maimanah Sugianto - Sugianto Sugianto Sugiyanto - Suharto Linuwih Sujarwata Sujarwata Sulhadi - Sunarno Sunarno Supa’at, Abu Sahmah Mohd Supriyadi Supriyadi Susilo Susilo Sutikno Madnasri Sutikno Sutikno Swastika Ramadhanty Eka Putri Tri Mugirahayu Triwidianingsih, Novita Uding, Risnawati Ukhti Mutia Munifatuzzahroh Ulpha, Ramadhani Andrawina Upik Nurbaiti Utomo, Galih R. Utomo, Galih Ridho Utomo W. P, Wasi Sakti Yeni Rima Liana Yuliana Yuliana Zhafirah, Azizah