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All Journal Bulletin of Electrical Engineering and Informatics Jurnal CoreIT Rekayasa Teknologi Prosiding Seminar Nasional Teknoka JURNAL KAJIAN TEKNIK MESIN Jurnal Informatika dan Rekayasa Perangkat Lunak KAIBON ABHINAYA : JURNAL PENGABDIAN MASYARAKAT Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Jurnal Komunitas: Jurnal Pengabidian Kepada Masyarakat Jurnal Konversi Energi dan Manufaktur Bubungan Tinggi: Jurnal Pengabdian Masyarakat Intervensi Komunitas: Jurnal Pengabdian Masyarakat Prosiding SNAST Jurnal Pengabdian Mandiri Berdikari : Jurnal Pengabdian kepada Masyarakat KAMI MENGABDI JPNM : Jurnal Pustaka Nusantara Multidisiplin Journal of Engineering Science and Technology Management Scientica: Jurnal Ilmiah Sains dan Teknologi Midang JTTT SWADIMAS: JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Polimesin
Saidah, Andi
Universitas 17 Agustus 1945 Jakarta
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Transportation Other

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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.
Evaluasi Kepuasan Mahasiswa terhadap Fasilitas Kampus Menggunakan Metode Simple Additive Weighting (SAW) Nugroho, Agung Yuliyanto; Tundo, Tundo; Saidah, Andi
Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Vol 10 No 2 (2026): APRIL 2026
Publisher : Lembaga Otonom Lembaga Informasi dan Riset Indonesia (KITA INFO dan RISET) - Lembaga KITA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/jtik.v10i2.5324

Abstract

Evaluation of student satisfaction with campus facilities is one important aspect in improving the quality of college services and infrastructure. However, this satisfaction evaluation process has a gap between student expectations of the facilities provided by the campus. This research aims to design a Decision Support System (DSS) that can help the campus in assessing student satisfaction levels using the Simple Additive Weighting (SAW) method. This method was chosen because of its ability to conduct an assessment based on criteria that have certain weights so as to produce the best alternative ranking. The criteria used in this study include cleanliness, maintenance, comfort, completeness, condition, service, and level of satisfaction. Data was obtained through questionnaires distributed to students in various study programs, focusing on various aspects of campus facilities such as classrooms, laboratories, libraries, hall areas, and podcast studios. It was then processed using SAW steps, including matrix normalization and final score calculation. The result showed that the final results of the evaluation of student satisfaction with campus facilitiesf from 100 respodents obtained a fairly high score of 44 which was said to be quite good. This SAW method is able to provide a clear ranking of the level of student satisfaction, as well as identify areas that require improvement or enchancement at the college.
Rancang Bangun Mesin Pencacah Sampah Plastik Berkapasitas 10 kg/jam Pramana Rizqi; Donisius Afoan Kono; Andi Saidah
JPNM Jurnal Pustaka Nusantara Multidisiplin Vol. 4 No. 2 (2026): May : Jurnal Pustaka Nusantara Multidisiplin (ACCEPTED)
Publisher : SM Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59945/jpnm.v4i2.1294

Abstract

Permasalahan sampah plastik memerlukan dukungan teknologi pengolahan sederhana yang dapat diterapkan pada skala rumah tangga, bank sampah, sekolah, dan UMKM. Penelitian ini bertujuan merancang serta menganalisis kinerja mesin pencacah sampah plastik berkapasitas target 10 kg/jam menggunakan motor listrik 1 HP. Metode penelitian menggunakan pendekatan rancang bangun melalui tahapan identifikasi kebutuhan, perancangan komponen, pembuatan alat, perakitan, pengujian, dan analisis kinerja. Mesin dirancang dengan sistem transmisi pulley dan V-belt, pisau pencacah berbahan baja SKD 11, hopper sebagai saluran masuk, ruang pencacah, serta saringan sebagai pengendali ukuran hasil cacahan. Pengujian dilakukan pada tiga jenis plastik rumah tangga, yaitu PET, HDPE, dan PP, masing-masing seberat 2 kg. Hasil pengujian menunjukkan kapasitas pencacahan PET sebesar 10 kg/jam, HDPE sebesar 8 kg/jam, dan PP sebesar 9,23 kg/jam, dengan rata-rata kapasitas 9,08 kg/jam. Perbedaan kinerja dipengaruhi oleh ketebalan, kekakuan, bentuk material, ketajaman pisau, dan kestabilan putaran poros. Mesin ini layak digunakan sebagai teknologi awal untuk mengurangi volume plastik sebelum proses daur ulang lanjutan. Temuan ini juga menunjukkan bahwa rancangan sederhana tetap dapat mendukung ekonomi sirkular apabila disertai pemilahan material dan perawatan komponen secara berkala oleh pengguna akhir.
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 Donisius Afoan Kono 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 Pramana Rizqi 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 Umasangadji, Fahmi Wahyu Kurniawan Zamali, Fikri