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All Journal Jurnal Ilmiah Teknologi dan Rekayasa Prosiding KOMMIT Jurnal Sains dan Teknologi JMPM (Jurnal Material dan Proses Manufaktur) Machine : Jurnal Teknik Mesin Jurnal AME (Aplikasi Mekanika dan Energi): Jurnal Ilmiah Teknik Mesin Jambura Science of Management JIIP (Jurnal Ilmiah Ilmu Pendidikan) Tsamratul Fikri (TF) International Journal of Innovation in Mechanical Engineering and Advanced Materials Engineering Science Letter Journal of Novel Engineering Science and Technology Bincang Sains dan Teknologi Jurnal Nusantara Madani International Journal of Advanced Science Computing and Engineering At-Tadzkir: Islamic Education Journal Jurnal Kedokteran Hewan AME (Aplikasi Mekanika dan Energi) : Jurnal Ilmiah Teknik Mesin Riwayat: Educational Journal of History and Humanities MRB ARBUS Jurnal Polimesin Journal of Applied Science and Advanced Engineering
Mohamad Yamin
Fakultas Peternakan Institut Pertanian Bogor
Religion Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Social Sciences Transportation Veterinary Other

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The Effect of the Number of Fins on Rocket Aerodynamic Performance Using Computational Fluid Dynamics Yamin, Mohamad; Hadi, Nuril
Bincang Sains dan Teknologi Vol. 5 No. 01 (2026): Article in Press - Bincang Sains dan Teknologi
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/bst.v5i01.2026

Abstract

This study aims to analyze the effect of the number of fins on the aerodynamic characteristics of a rocket using the Computational Fluid Dynamics (CFD) method. Three rocket configurations with different numbers of fins (3, 4, and 6 straight fins) were modeled and simulated at a subsonic speed of Mach 0.6 with angles of attack ranging from 0° to 25°. The main aerodynamic parameters analyzed include the lift coefficient (Cl), drag coefficient (Cd), and moment coefficient (Cm). The simulation results show that increasing the number of fins tends to improve rocket stability and produces a more uniform pressure distribution. The six-fin configuration yields the highest Cl/Cd ratio, particularly at an angle of attack of 10°, indicating the best aerodynamic efficiency. In addition to aerodynamic performance, economic considerations are also an important factor; the use of six fins provides advantages in terms of stability, although it requires higher manufacturing costs compared to three or four fins. Overall, the six-fin configuration is recommended for rocket applications that req uire high stability and aerodynamic efficiency.
Simulasi Numerik Aeroelastik Flutter Pada Sirip Roket Dengan Material Komposit Serat Tebu Ramadhan, Rasyid Ridho; Yamin, Mohamad; Mulyanto, Tri
AME (Aplikasi Mekanika dan Energi): Jurnal Ilmiah Teknik Mesin Vol. 12 No. 1 (2026)
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/ame.v12i1.2459

Abstract

Penelitian ini bertujuan untuk menganalisis karakteristik aeroelastisitas pada sirip roket RX-450 yang menggunakan material bio-komposit serat tebu, sebagai alternatif ramah lingkungan dari material konvensional. Fokus utama penelitian mencakup analisis frekuensi natural, kecepatan flutter, serta respons deformasi sirip terhadap beban aerodinamis. Simulasi dilakukan menggunakan pendekatan numerik berbasis ANSYS Workbench, dengan integrasi metode Modal Analysis, Computational Fluid Dynamics (CFD), dan Fluid-Structure Interaction (FSI). Hasil simulasi menunjukkan bahwa material bio-komposit serat tebu memiliki nilai frekuensi natural yang lebih rendah dibandingkan kayu balsa dan menunjukkan deformasi yang lebih besar serta redaman osilasi yang lebih lambat dibandingkan material logam seperti Al-7075 Namun demikian, Material bio-komposit serat tebu menunjukkan peningkatan kecepatan flutter sebesar 105% dibandingkan komposit kayu balsa, menandakan ketahanan yang lebih baik terhadap ketidakstabilan aeroelastik. Temuan ini menunjukkan bahwa bio-komposit serat tebu memiliki potensi sebagai material alternatif untuk sirip roket, meskipun masih perlu dilakukan optimasi desain untuk meningkatkan kekakuan dan redaman dinamis.
Co-Authors Alfasha, Muhammad Zidan Andewi Suhartini, Andewi Apriyadi, Kukuh Ivan Ariandi, Rian Dwi Asep Gunawan Berliana Nova, Chairunisa Cokorda Prapti Mahandari DEWI APRI ASTUTI Erni Haryanti Fadlil Munawwar Manshur Firmansyah, Riyan Fitri Meliani, Fitri Giyats, Ahmad Fakhri Hadi, Nuril Haryadi, Deni Hasan Basri Hasan, Muhammad Syukri Indriyati, Feni Jaelani, Toniyah Khalis, Muhana Kurniawan, Cucuk Laratiwi, Bella Novia Lenahatu, Adetia Mahandari, Cokorda P. Mukhaira, Inna Mumtaz, Mega Maulida Nashirudin, Hamzah Ali Natsir, Nanat Fatah Ningsih, Tiara Setia Nurcholis Nurcholis Permana, Sulaksana Prasetyo, Mustafa Dwi Putra, Andrian Putranto , Muhammad Naufal R. Iis Arifiantini Ramadhan, Rasyid Ridho Ronnie Permana Rudi Irawan Rudianto, Haris Rudy Priyanto Saleh, Nino Nopriandi sudirman palaloi Suharto Suharto Tri Mulyanto Wahyu Kurniawan Warliman, Wadli Yaqien, Angga Ainul Yusuf, Lucky Damara