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Journal : Physics Education Research Journal

The Natural Composite of Sawdust Teak as a Sound Absorption Materials Using The Resonator Space Method Yulita Nurbaiti; Agus Yulianto; Upik Nurbaiti
Physics Education Research Journal Vol 4, No 1 (2022)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2022.4.1.8601

Abstract

The development of science and technology has resulted in the increasing use of sophisticated equipment that can produce unwanted sounds, resulting in noise. Acoustic materials are a solution that can reduce noise. This study aims to determine the sound absorption coefficient of a composite of teak sawdust and polyester resin as an environmentally friendly acoustic material. The sample was made in the form of a cylinder using a press of as many as six samples with a comparison of the mass fraction of teak sawdust and the mass fraction of polyester resin, namely sample 1 (30:70), sample 2 (40:60), sample 3 (50:50), sample 4 (60:40), sample 5(70:30), sample 6(80:20). The samples that have been made were tested using a resonance space and sound level meter to measure the value of the sound absorption coefficient (α) at frequencies of 500 Hz, 1000 Hz, 1500 Hz, 2000 Hz, 2500 Hz, and 3000 Hz. The optimal acoustic material sample in sample 1 with a fiber mass fraction of 30% and a sound absorption coefficient of 0.707 at a frequency of 3000 Hz.
Utilization of Magrove Muds In the Kuala Langsa as A Source of Electricity Meutia, Eva; Nurbaiti, Upik; Yulianto, Agus
Physics Education Research Journal Vol. 7 No. 1 (2025)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The economic potential of mangroves can be a provider of economic resources, preserving the ecological environment and providing environmental services. Mangrove soil in Kuala Langsa is important to study as the potential for carbon sequestration in the form of biomass, the social potential of the community in supporting the development of efforts. The purpose of this study was to determine how much electricity was generated by the Kuala Langsa mangrove mud soil and how the effect of variations in electrode material on the electricity produced by the Langsa mangrove mud soil. The method used is to use a series of voltaic cells. The results of this study obtained data that mangrove mud soil can be used as alternative energy by using variations of Cu-Zn and Cu-Al electrode pairs with a mangrove mud mass of 350 ml, at Cu-Zn electrode pairs the largest electric power obtained is 0,8736 J/s. with the lamp on while the Cu-Al electrode pair obtained an electric power of 0,1794 J/s with the lamp not lit
Co-Authors - Susanto .Gandri Haryono, M Abd Charis Fauzan Abd. Charis Fauzan Abdul Hamid Abdurrohman Khotim Nugraha Abu Bakar, Suriani Adi Tri Atmaja Adina Widi Astuti Aditya Marianti Afifah, Roidah Nur Agung Nugroho, Puguh Agung Setyo Darmawan Agus Raharjo AGUS SETIAWAN Ahmad Izzuddin Ahsani, Muh Syukri Akanboy, Jerikson Nastorius Akhmadi, Mohammad Fadnan Albari, Raffi Wizdaan Alfiyani, Lina Alifianto, Untung Alit Sadikin Allif Silfiyana Rohman Alvian, Alvian Amiruddin Amrullah Amiruddin Amrullah, Amiruddin Andriyanto Andriyanto Andya Satya Purnomo Putro Andya Satya Purnomo Putro, Andya Satya Purnomo Angelia, Adinda Ani Ariani, Ani Ani Rusilowati Anjaya, Perdana Dika Ansori, Redhitya Wempi Anugrahaini, Ulya Santa Arba Arianto, Ivan Setia Arif Widiyatmoko, Arif Arifin Arifin Armin Sukri Kanna, Armin Sukri Ati, Laras Aulia Litsa Ariffiyah Awaludin Jamil Ayu Paramitha, Amelia Ayu Paramitha, Amelia Ayubi, Dimas Mohamad Azka, Millati Bahar, Abely Aliya Bambang Genjik S Bambang Subali Budi Antoni Saputra Budi Antoni Saputra, Budi Antoni Budi Astuti Budi Astuti Budi Naini Mindyarto, Budi Naini Budi Sudrajat Budiyanto, Saraswati Putri Candra Fanleon Chairumin Alfin D.R, Priyandika Darmoko, Cahya Darsono, Teguh Delvita Puspitasari Dewi, Adelina Ryan Candra Dian Uswatun Hasanah Dian Wahid Hermawan, Dian Wahid Didit Darmawan E. Marhaeniyanto Edi, Sukiswo Supeni Effendy, Suhardi - Eko Budianto Eko Nugroho Yuliono, Eko Nugroho Eli Masnawati Eling Purwantoyo Ellianawati, Ellianawati Endang Susilaningsih Erry Hidayanto Fandi Musthofa A. S. Fandi Musthofa A. S., Fandi Musthofa Fathul Niam Fatiatun, Fatiatun Fianti Fianti Fianti, Fianti Firdhosiyah, Siti Firmansyah Firmansyah Firmansyah Firmansyah, Firmansyah - Fitrianti, Dwi Agung Fitriawan, Margi Fitriawan, Margi Fitriyah, Maghfirotul Gamal Kusuma Zamahsari Gandri Haryono, M. Giovani Siahaan, Fery Hadi Susanto Hariani, Mila Haris Hasni, Nur 'Ainiyyah Herkulana Herkulana Hidayat, Rezaldi Ian Yulianti, Ian Ibnul Mubarok Ihwanudin, Maulana Ika Vidiasari Aristawati Imra, Imra Indra Yuzal Insyiroh, Ilusia Ira Maya Abdiani Issalillah, Fayola Iwan Iwan Iwan junaedi Iwan Junaedi Jahdiah Jahdiah, Jahdiah Jery, Jery Junaedi Harmiansyah, Junaedi Kartono , Kewa, Kristofora Karolina Khayru, Rafadi Khan Khoirun Nisa Khoirun Nisa’, Khoirun Khoirun Nisa’ Khumaedi - Khuzaimah, Ima Siti Kirana, Elsa Kusjuriansah, Kusjuriansah Langlang Handayani Lubis, Mutia Hariza Lucky Zaehir Maulana M. Ainur Rofiq Made D.P, Ngurah Mahardika Prasetya Aji Masduki Masduki Mashudi Mashudi Masturi Masturi Meutia, Eva Moh. Shofi Nur Utami Moh. Shofi Nur Utami, Moh. Shofi Nur Mohamad Ayubi, Dimas Mohammad Qois Syafi Mufatihah, Nishfa Mufidah, Isna Mainnatul Mufti, Afrizal Mufti, Afrizal Muhammad Firdaus Muhammad Haikal Muhammad Rasyid Ridla, Muhammad Rasyid Mukhlisin, Latutik Mulia Rahmayu Mulyanti, Restina Muji Mulyono Mulyono Mumtaza Putri, Anne Nafiusokhib, Nafiusokhib Naila Hilmiyana Syifa Nanang Zamroji Nathan Hindarto Nisa’, Khoirun Nita Rosita Nita Rosita, Nita Noor Alis Setiyadi Noviyanto Noviyanto, Noviyanto Nugroho, Adhi Nugroho, Krisna Ardi Nur Farida Haryanto, Lailin Nur Khasanah Nur Rohman Arif Nur Rohman Arif, Nur Rohman Nurdjanah Hamid Nuri Nuri Nurida Putri, Riska Nurlita, Putri Sandra Nursugiharti, Titih Nuryati, Iis Nur’ainiyyah Hasni Nuzulina, Khoirun Palaifana, Oktorinda Parmin - Parmin Parmin Pramuko Ilmu Purboputro Praptiwi, Ucca Swasti Primadian, Fatimah Putra , Arif Rachman Putra, Ngurah Made Darma Putri Arif, Nur Nabilah Putut Marwoto Rahmah, Nurul Rahman, Nuril Endi Ramadhani, Amanda Dhyan Purna Ramadhani, Athirah Nur Randa, Dendy Redhitya Wempi Ansori Rengganis, Amalia Puspita Reza Faizal, Reza Riameinda Br. Bangun Riameinda Br. Bangun, Riameinda Br. Rivaldi, Muhammadi Rizal Syarief Rizka Silviana Hartanti, Rizka Silviana Roch Aris Hidayat, Roch Aris Rohasad, Rohasad Saeful Bahri Safei, Mawar Samsul Arifin Saputra, Andi Prasasti Saputra, Muhammad Kholil Bayu Sarjito - Sarwi - Sauri, Salsabila Scolastika Mariani Sekarpratiwi, Farah Kinayu Senda, Tamara Rizky Septiono, Priyo Shelly Salista Rahmayanti Sidiq, Alif Lombardoaji Sikumbang, Dandy Julian Simanjuntak, Ricky Febrinaldy Siti Haerani Siti Haerani Siti Munazilah Siti Uswatun Kasanah Sobirin, Mohamad Sobirin, Mohamad Sri Buwono . Sugianto Sugianto Sugiyanto - Sulhadi - Sulistiyo Rini, Ari Sumarli Sumarli, Sumarli Sumini Sumini, Sumini Sunyoto Eko Nugroho, Sunyoto Eko Suparmi Suparmi Supraptomo, RTH Supriyadi Supriyadi Suranto Suranto Suroto, Karunia Setyowati Susanto Sutikno Madnasri Sutikno Sutikno Syafi, Mohammad Qois Syafi’i, Farrel Fadillah Syarif, Junaidi Tere, Theresia Theasy, Yoan Theresia Theresia Topan, Andi Tri Novianto, Tri Ucca Swasti Praptiwi Umi Nahdiyah Upik Nurbaiti Usriyah, Farida Usriyah, Farida Victory, Raja Pingkir Wahyuni, Asri Warol, Khoirul Warol, Warol Wigandi, Dikdik Permana Wulandari, Martina Diah Yani Puspitarini Yani Puspitarini, Yani Yulianto, Sisworo Yulita Nurbaiti Yusuf, Dini Hidayati Zainal Rosyadi