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All Journal International Journal of Electrical and Computer Engineering JUTI: Jurnal Ilmiah Teknologi Informasi Fakultas Pertanian ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Info-Teknik Journal of Mechanical Engineering Science and Technology JOIV : International Journal on Informatics Visualization Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Jurnal Riset Komunikasi JAVA Journal of Electrical and Electronics Engineering Enrichment : Journal of Management Journal of Energy and Electrical Engineering (JEEE) Reswara: Jurnal Pengabdian Kepada Masyarakat JAREE (Journal on Advanced Research in Electrical Engineering) JASATHP: Jurnal Sains dan Teknologi Hasil Pertanian Jurnal Media dan Komunikasi Indonesia Hexatech: Jurnal Ilmiah Teknik Sewagati Jurnal Riset Multidisiplin dan Inovasi Teknologi Jurnal Communio: Jurnal Jurusan Ilmu Komunikasi Jurnal Komunikasi Indonesia Jurnal Agribest Mahardika Adiwidia
Wirawan Wirawan
Institut Teknologi Sepuluh Nopember
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Journal : Journal of Mechanical Engineering Science and Technology

 1 
Simulation of Magnet Thickness and Angle of Attack on Magnetic Force for Magnetic Turbine Design Pratama, Eka; Wirawan, Wirawan
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 9, No 1 (2025)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v9i12025p258

Abstract

Electric motors play a vital role across various industries. As their electricity demand grows, improving efficiency has become a priority. One area of innovation involves the use of magnetic strips for improving performance. This study aims to determine the magnet thickness and the angle of attack position in producing the strongest repulsive force in the magnetic turbine. The study used a simulation using SOLIDWORKS and EMS software, applying neodymium N52 magnets with varying sizes and angles of attack. The results indicate that the most efficient magnetic turbine configuration utilizes rotor and stator magnets with dimensions of Ø10 × 20 mm and an angle of attack of 44°. Magnet thickness influences the magnetic force: Thicker magnets generate stronger repulsive forces due to higher stored magnetic energy, whereas thinner magnets result in weaker forces due to reduced magnetization volume. The simulation of two opposing magnets confirmed that the configuration of Ø10 × 20 mm at a 44° angle of attack produced the highest magnetic flux density of 2.277 × 10⁻¹ Tesla. Furthermore, the 44° angle between rotor and stator yielded a more stable magnetic flux distribution, effectively minimizing cogging torque, that a common cause of undesirable fluctuations in rotor motion. This angle can be recommended for achieving smoother and more efficient turbine operation.
Impact of Print Speed and Nozzle Temperature on Tensile Strength of 3D Printed ABS for Permanent Magnet Turbine Systems Wirawan, Wirawan; Firmansyah, Hilmi Iman; Adiwidodo, Satworo; Mustapa, Mohammad Sukri
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 9, No 1 (2025)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v9i12025p090

Abstract

Operational parameters must be integrated into turbine systems' main components, which are determined by turbine systems' functional requirements. The need for producing component designs more effectively raises the possibility of using additive manufacturing. The study focuses on the optimization of the mechanical properties of the principal components of magnetic turbines manufactured with 3D printers using Acrylonitrile Butadiene Styrene (ABS), by changing the temperature and speed of the nozzle. The approach consisted of modeling a standard test piece in CAD software and producing ABS-based test pieces using a 3D printer with print speeds of 50, 70, 90, and 110 mm/s and temperatures of 230, 240, 250, and 260 °C. The tensile properties of the samples were determined according to ASTM D638-14 Type I, and the results reveal a consistently greater tensile strength for the parts with high nozzle temperatures of approximately 250 °C and lower print speeds of 50 and 70 mm/s. At higher speeds of 90 and 110 mm/s, though the nozzle temperature has little effect on tensile strength, suggesting that the effect of other parameters is more significant. Whatever the print speed, at higher nozzle temperature (250℃), average tensile strength was improved. Control of nozzle temperature is paramount in increasing tensile strength in the 3D printing process performed at low speeds. Also, the average tensile strength is consistent and normalized. For all print speed values, a 250℃ nozzle produces consistently higher average tensile strength than a 235℃ nozzle. Analysed the parameters for print speed and nozzle temperature, providing optimal results for stronger and more reliable parts for use in turbines.
Co-Authors A. Sjamsjiar Rachman Achmad Affandi Adhi Dharma Wibawa, Adhi Dharma Adi Suprijanto Akhlis Rizza, Muhammad Boedinoegroho, Hany Bukit, Alexander Victor Busaeri, Nundang Dani, Agus Diniarti, Yulita Oktavia Editya Hendrawarman Endang Widjiati Endroyono Endroyono Etik Puspitasari, Etik Fathur Zaini Rachman Firmansyah, Mohammad Rifqi Gamantyo Hendrantoro Gatot Kusrahardjo Geofakta Razali Hamid Alhamid, Muhammad Syerif Hedinarta, Hedinarta Hendra Kusuma Hilmi Iman Firmansyah Kgs Ahmadi Lasmi Latu, Priska Sulfiaster Lemos, Jose Migunani, Mitariza Miptahudin, Rd Apip Mustapa, Mohammad Sukri Newol, Kristina Yaneti Nurul Hiron, Nurul Paman, Saverius Pamungkas, Johan Pramono Sasongko Prasetiyono Hari Mukti Pratama, Eka Pratama, Novan Sandy Qadrifa, Sabrina Sofi Rading, Yohana Vantiana Satworo Adiwidodo Setijadi, Eko SRI RAHAYU Sudirman Sudirman Sukandar, Rudi Suwadi Suwadi Suyanta, Suyanto Syamsul Hadi Titiek Suryani Wahyu Mushollaeni Wahyu Mushollaeni, Wahyu