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All Journal TEKNIK Rotasi J@TI (TEKNIK INDUSTRI) El-HARAKAH : Jurnal Budaya Islam Geological Engineering E-Journal JSEH (Jurnal Sosial Ekonomi dan Humaniora) Jurnal Pendidikan Islam Jurnal Rekayasa Mesin Al-Jabar : Jurnal Pendidikan Matematika Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Ahkam: Jurnal Hukum Islam AL-IDARAH: JURNAL KEPENDIDIKAN ISLAM Jurnal Pendidikan Dasar Jurnal Sains Teknologi dan Lingkungan (JSTL) International Journal Pedagogy of Social Studies SAINS TANAH - Journal of Soil Science and Agroclimatology Al-Dzikra: Jurnal Studi Ilmu al-Quran dan al-Hadits Desimal: Jurnal Matematika Syntax Literate: Jurnal Ilmiah Indonesia Kinerja: Jurnal Ekonomi dan Manajemen Seminar Nasional Teknologi Informasi Komunikasi dan Industri PROMINE Jurnal Geosains dan Teknologi MITRA: Jurnal Pemberdayaan Masyarakat Martabe : Jurnal Pengabdian Kepada Masyarakat JURNAL PENDIDIKAN TAMBUSAI YUME : Journal of Management PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Review Pendidikan dan Pengajaran (JRPP) JAIM (Jurnal Abdi Masyarakat) Jurnal InTent: Jurnal Industri dan Teknologi Terpadu JAS (Jurnal Agri Sains) Jurnal Ilmiah Profesi Pendidikan Al-Ittijah : Jurnal Keilmuan dan Kependidikan Bahasa Arab Jurnal Abdi Insani Jurnal PORKES Jurnal Pengabdian Masyarakat Teknik JIIP (Jurnal Ilmiah Ilmu Pendidikan) Journal of Applied Science, Engineering, Technology, and Education Jurnal Pengabdian Masyarakat Khatulistiwa PAKAR Pendidikan Jurnal Bakti Masyarakat Indonesia Biofarm : Jurnal Ilmiah Pertanian Hijai - Journal on Arabic Language and Literature Indonesian Community Service and Empowerment Journal (IComSE) Community Empowerment Jurnal Riset Teknologi Pencegahan Pencemaran Industri Al-Ulum: Jurnal Pendidikan Islam Hermeneutik : Jurnal Ilmu Al-Qur'an dan Tafsir Jurnal Ilmiah Wahana Pendidikan Journal La Lifesci Journal La Multiapp Jurnal SIAR ILMUWAN TANI Jurnal Akutansi Manajemen Ekonomi Kewirausahaan (JAMEK) TARBAWY: Indonesian Journal of Islamic Education Agroteksos Journal of Education Research Indonesian Journal of Innovation Studies Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) AKADEMIK: Jurnal Mahasiswa Ekonomi & Bisnis Al-Ulum: Jurnal Pendidikan Islam TRILOGI: Jurnal Ilmu Teknologi, Kesehatan, dan Humaniora Jurnal Manajemen Stratejik dan Simulasi Bisnis Edukasia: Jurnal Pendidikan dan Pembelajaran Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Jurnal Pengabdian Masyarakat Bhinneka Journal of Artificial Intelligence and Digital Business AL ULYA: JURNAL PENDIDIKAN ISLAM Journal of Educational Management Research Sabangka Abdimas Jurnal Pengabdian Masyarakat Sabangka Jurnal Pengabdian Masyarakat Berkarya Jurnal Akuntansi Syariah IIJSE Jurnal Pengabdian Sosial Jurnal Penelitian Pendidikan Indonesia Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Journal of Soil Quality and Management Al-Hukama: The Indonesian Journal of Islamic Family Law PENG: Jurnal Ekonomi dan Manajemen Agroland: Jurnal Ilmu-ilmu Pertanian Jurnal Keadaban: Jurnal Sosial dan Humaniora Proceeding Of International Conference On Education, Society And Humanity Jurnal Cendekia Ilmiah Jurnal Ekonomi, Manajemen, Akuntansi PESHUM Balance: Jurnal Ekonomi Jp.jok (Jurnal Pendidikan Jasmani, Olahraga dan Kesehatan)
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Journal : rotasi

Comparative Study Of Solar Radiation On Clay Roof Tiles And Teki Grass-Based HDPE Composite Roof Tiles Hamzah, Muhammad Fakhri; Fahrudin, Fahrudin; Wahyuni, Fitri; Martana, Budhi
ROTASI Vol 26, No 2 (2024): VOLUME 26, NOMOR 2, APRIL 2024
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.26.2.8-14

Abstract

Along with the advancement of science and technology, various types of tiles one of them is the use of polymer composites as the main material for making tiles. Roof tiles are generally made of clay and metal. The high use of plastic in Indonesia causes high waste generation and environmental damage. Efforts to reduce the generation of plastic waste are by utilizing plastic waste into polymer composite tiles. The tile requirement is that it must be able to withstand solar heat radiation and rainwater. The purpose of this study was to determine the comparison of solar radiation values on clay tile aerial, pure HDPE tile and 20% teki grass reinforced HDPE composite tile given 5% alkaline treatment for 4 hours. The test was carried out using exposure to direct solar radiation with a tile angle of 30o. The test data was obtained on the composition of 20% teki grass, the temperature produced on the upper and lower surfaces of the tile tends to be lower than pure HDPE and the top surface of the composite tile has a difference of 0.6oC higher than clay tile but for the bottom surface has a difference of 1.3oC lower than clay tile. Based on the radiation rate of HDPE and 20% teki grass tiles have a higher value than clay tiles so that HDPE reinforced teki grass 20% of tiles can be used as alternative materials to replace clay tiles because they have good heat resistance.
Analisis Computational Fluid Dynamic (CFD) Pengaruh Overlap Ratio dan Jarak Bilah Berlapis pada Kinerja Turbin Angin Savonius Bilah Berlapis David, Jerico; Fahrudin, Fahrudin; Rhakasywi, Damora
ROTASI Vol 26, No 4 (2024): VOLUME 26, NOMOR 4, OKTOBER 2024
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.26.4.6-12

Abstract

Abstract  The demand for energy is increasing, therefore researchers are utilizing alternative energy sources such as wind energy. Savonius is a type of vertical axis wind turbine (VAWT) that is suitable for use in low wind speed conditions, making it capable of operating in urban areas. Researchers are conducting extensive studies to improve the performance of Savonius wind turbines. The Savonius wind turbine used is a Savonius wind turbine with added layered blades. This research was conducted using the computational fluid dynamics (CFD) simulation method with an existing layered Savonius wind turbine model and varied the overlap ratio and the distance between the layered blades to determine the impact of these variations on efficiency improvement using Ansys Fluent 2022 R2 software. The variations in this study included an overlap ratio of 10% with a blade distance of 33 mm and an overlap ratio of 15% with blade distances of 22 mm and 33 mm at a wind speed of 6.46 m/s. The results showed that the layered Savonius wind turbine from previous research with a configuration of a 10% overlap ratio and a blade distance of 22 mm had the best performance with a power coefficient (Cp) of 0.173 and a torque coefficient (Ct) of 0.46. The results of this study provide an understanding of the impact of increasing the value of the layered blade distance and the overlap ratio on the performance of the Savonius wind turbine, which, if not appropriate, can reduce its efficiency. Keywords: wind energy, Savonius wind turbine, layered blades, overlap ratio, distance between layered blades
Co-Authors A'yun, Fatihatul A.A. Ketut Agung Cahyawan W Aam Abdussalam, Aam Abda Abda Abdul Bashith Abdul Qodir Abdullah, Sirajudin H. Abhitah, Athallah Nabiel Aceng Kosasih, Aceng Achmad Faqihuddin ACHMAD, IRFAN ZINAT Adi Pranata, Mohammad Sofyan Afandy, Arief Rahman Afian, Nanang Nur Afifi, A. Nawawi Alfan Agung Wibowo Agus Fakhruddin Agus Priyantoro Ahmad Shofiyuddin Ichsan Ahmad Syamsu Rizal, Ahmad Syamsu Ahmad Syauqi Hidayatillah Ahyar Ahyar Ainul Yaqin, Ifandi, Ghazali, Aji, Fabian Ismu Alfaini, Ainul Yaqin Alfionita, Feni Almaliki, Muh. Alwi Amarullah, Moh. Amudin, Amudin Anter Venus Anton Anton Aras, Irianto Arif Alfiansyah Arif Alfiansyah Arifin, Agus Zainul Asep Kurnia Permana Asep Kurnia Permana Asih Priyati Asmawati Asmawati Asrianti, Nadia Putri Asrin Asrin Aulia, Elva Fajar Bakti, Arifin Aria Bakti, Lalu Arifin Aria Bambang Hari Kusumo Budhi Martana Bustan Choirunisa, Maria Choirunisa Citra Ningtyas Citra Ningtyas Dadi Setiadi Damora Rhakasywi David, Jerico Dewi Nur Asih Dian Safitri Diana Ariana Diana Ariana Diana Puspita Sari Dimas Asmarakandy Dimas Asmarakandy Diraharja, Rifat Satrio Dusturia, Nida Dwi Pramita, Riska Dwi Supriyanto, Muhammad Sofyan Dwiyanto Joko Suprapto Dwiyanto Joko Suprapto Dwiyanto Joko Suprapto Dyah Ika Rinawati Edi Suresman Efendi, Jauhari Ega Naufal, Hanif Endis Firdaus, Endis Erna Hernawati, Erna Erny Erny, Erny Fadlillah Rumanda Fadlillah Rumanda Fahmi Abdillah Fahmi Abdillah Fajar Islamy, Mohammad Rindu Fajriya, Siti Fakhrurrozi, Pupu Fakhrurrozi, Pupu Fathoni, Ilham Fauzi, Ade Fikri Fauzi, Muhammad Ihsan Fauziah, Arum Febriana, Indah Karima Febriana, Miftakhul Jannah Firdausi, Jinnani Fitri Wahyuni Fitriyah Fitriyah Francisco, Jeremi Fuad Muhammad Fuzie Priatamphatie, Fuzie Ghazali, M. Ghufron, Moh Idil Gunawan, Rizaldi Chandra Gustiawati, Resty Hadi Nugroho Hadi Nugroho Hamdani, Moh. Ulil Absor Hamzah, Muhammad Fakhri Haqiqi, M. Deni Hendrayadi, Dedik Henry Binsar Hamonangan Sitorus Hery Heryanto Hidayaturrohman, Qisthi Alhazmi Hopiana, Nida Husnah, Dalilatul I Gusti Made Kusnarta Ifandi Ifandi Iman, M. Kamilul Imawan, Yuli Indra Kusuma Isnaini, Putri Lailatul Jamaluddin Majid jannah, lailatul Januar Aziz Zaenurrohman Jeinanda, Vidia Puti Joko Tunggal Joko Tunggal Joko Wahyudiono Joko Wahyudiono Joko Wahyudiono Joshua Shima Joshua Shima juwariyah, tatik Kafin, Achmad Kahfi, Nazih Sadatul Kallaba, Yulianti Khalaksita Amikani Asbella Khalaksita Amikani Asbella Khoiriyah, Binti Kiki Fatmala, Kiki Kosim, Mohammad Nanang Lalu Sukardi Lestari, Eka Dwi Lukmana, M. Arifudin Lukmana, Muhammad Arifudin M. Ridwan Hidayatulloh, M. Ridwan Mahardhika, Dhika Bayu Mahfudi, Mohammad Khoiri Mahrup Mahrup Mahrup, Mahrup Maman Abdurrahman Masruroh, Nuril MASYHUR, AHMAD Ma’ali, Izzul Mia Rhianti, Ghefira Mirasari, Titi Montreano, Donny Muhamad Ali Muhamad Parhan Muhammad Ridwan Muhammad Ridwan Hidayatulloh, Muhammad Ridwan Muhammad Roehil Amin, Ayatullah,, Mochammad Sofyan Dwi, Dimas Hidayatullah, Ghufron Shodiqin, Muhammad Sarjan Muhammad Subhan Muhammad Zaironi Muhlis, Nur Khozim Mukhammad Sofyan Rizka A Mulya, Viona Santi Mulyadi, Henki Desri Mulyana Abdullah Mulyana, Arif Mulyati Munawar Rahmat Mundzir, Ali Murad, Murad Muslih Muslih Mustari, Muhammad Muthi’ah, Nadia Nabila Fajrina Noviana, Nabila Fajrina Nabilatus Sa'adah, Rashika Narulita Santi Nasrulloh, Ilham Netriwati Novitasari, Ita Nugroho, Setio Nur Cholis Nurhedi, Moh. Nurza, Ashfira Nurza, Ashfira Nurzati, Syarif Adhika Adhin Oktavitasari, Dini Padusug, Padusung Padusung Prabawanto, Sufiyani Pramono, Setio Pranoto, Agus Pranoto, Agus Prasetyo Hadi Prasetyo, Eko Andi Priyambudi, Gathot Pudjihardjo Henarno Putri Pratiwi, Metalis Putri, Fadila Rahmatika Qomariyah, Nurul Ulfa Rachman, Muhammad Nanda Fatur Ramadhan, Muh Syahru Ratnasari, Iis Rianda Dirkareshza Rica Rachmawati Ridha, Azhari Ali Rizal, Moh Syaiful Rizki Wahyu Yunian Putra Rizzasila Widiartha Rohmaniati, Baiq Siti Rolly Afrinaldi Romadhoni, Riyan Rusmawati Rusmawati, Rusmawati Sa'diyah, Iis Sari, Maula Sari, Retna Sarjan, M Sa’adah, Rashika Nabilatus Selvia, Siska Ita Septin, Althearae Nira Septiyaningsih, Rina Shadiqul W , K Shafa, Naura Shafiyullah, Alhadi Shakila, Nur Asri Shodiqin, Ghufron Shofi, Ahmad SHOLIHIN, MOH. Sigit Pradana Siti Saniah, Siti Sitti Chaeriah Ahsan Soemeinaboedhy, I Nym Sofiana, Nadia Nurcahyani Sri Wahyuni Sugiarto S Sukartono Sulasminingsih, Sri Sumarno, Ardawi Sunaika, Sunaika Sunarsih Sunarsih Sundussiyah, Sundussiyah Supriyadi Supriyadi Suryo, Taufik Hadi Susilowat, Lolita Endang Sutarya, Muhamad Farad Suwardji Syafei, Makhmud Syahruddin Hattab Syaifuddin, Ahcmad Syaiful Rizal Tajidan, Tajidan TATANG HIDAYAT, TATANG Taufik Hidayat Taupiqqurrahman Tedi Purbangkara Tengku Riza Zarzani N Tidar, Anisa Nava Tri Retnaningsih Soeprobowati Tri Winarno Tri Winarno Turmudi Ummi Kulsum Uswatun Hasanah Vydia Ridha Ariati Wafiqah, Wafiqah Wahju Krisna Hidajat Wahyuni, Tri Indah Warjono, Warjono Wawan Hermawan Wawan Hermawan Widya Kurniawan Yahya, M. Wildan Bin H.M. Zainal Abidin, Moh Ali Zainal Arifin Zainullah, M. Rizki Zuhdiyah Matienatul Iemaaniah