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Saidah, Andi
Universitas 17 Agustus 1945 Jakarta
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Design Modeling and Aerodynamic Optimization of a Micro-Scale 3-Blade HAWT Wind Turbine at Tip Speed Ratio (λ= 6) Saidah, Andi; Darman, Yahadi
Journal of Engineering Science and Technology Management (JES-TM) Vol. 6 No. 1 (2026): Maret 2026
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v6i1.430

Abstract

This study investigates the geometric design and performance estimation of a micro-scale three-blade Horizontal Axis Wind Turbine (HAWT) using a Computer Aided Design (CAD) approach operating at a tip speed ratio (TSR) of λ = 6. The study focuses on low wind speed characteristics obtained from field measurements in the range of 3–8 m/s with an average speed of approximately 5–6 m/s. Micro wind turbines operating under these conditions often experience low aerodynamic efficiency due to low Reynolds numbers and fluctuating airflow. The research methodology includes determining initial turbine parameters with a rotor diameter of 1.5 m, parametric blade modeling using CAD software, and performance estimation using theoretical wind energy equations involving wind power, tip speed ratio, and power coefficient (Cp). Design adjustments were conducted by modifying blade chord distribution, twist angle, and pitch angle to achieve stable performance at TSR = 6. The results indicate that the estimated power coefficient increases from approximately 0.28 in the initial configuration to about 0.35–0.38 after geometric adjustment. The turbine is estimated to produce theoretical power in the range of 90–150 W under moderate wind conditions. The three-blade configuration with gradual twist distribution and moderate pitch angle improves aerodynamic stability and energy conversion efficiency. This study provides a CAD-based design framework for micro-scale HAWT turbines intended for low wind speed environments, particularly in urban coastal areas where wind potential is limited.
Co-Authors Abdul Rachman Ajeng Wijayanti Akbar, Riolandi Alosius Eka Kurnia Anjari, Warih Anjari Arinal, Veri Arnold Arnold Arwanto, Arwanto Asrol Basri Astiani, Rangki Batjo, Siti Ristyani Putri Betty Yel, Mesra Bobby Arvian James Bobby Reza Bohang, Fain Faleri Cania, Alvan Danang Trijayanto Darman, Yahadi Delia Kusuma Didit Sumardiyanto Fadillah Purwanto Fajri Hidayat Farudin, Arief Fauziah Fauziah Fauziah Fauziah Harini _ Kasiono, Roy Khoirunnisa Khoirunnisa Lukiyana, Lukiyana Marcia Rizky Hamdala Masnia Ahmad Mohammad Yusuf Djeli Muas Muchtar Mubarak, Zulfikar Yusya Muhammad Arsyad Suyuti muhammad junaid kamaruddin Muhammad Nurdin Muhammad Nurdin Muktar Sinaga Muktar Sinaga Muktar Sinaga Muliya, Amma Nofendri, Yos Noviana, Fitri Nugroho, Agung Yuliyanto NUR KHOLIFAH Nurazizah, Siti Opi Irawansah, Opi Prasetyo, Sisman Ridwan, Mochamad Ely Riong Saulina Panjaitan Riris Rotua Sitorus Rizky, Permana Romadhoni, Amma Muliya Romadoni, Amma Muliya Saifullah, Shoffan Salman, Nidya Jullanar Sinaga, Muktar Sri Endah Susilowati Sri Henny Indarti Sri Henny Indarti, Sri Henny Suparman Suparman Syaharuddin Rasyid Teguh Riyanto Tundo Tundo, Tundo Umasangadji, Fahmi Wahyu Kurniawan Zamali, Fikri