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All Journal CIVED (Journal of Civil Engineering and Vocational Education) Mechanical Engineering Education Journal Sainstek JURNAL PENDIDIKAN TAMBUSAI JOURNAL OF SCIENCE AND SOCIAL RESEARCH Eksakta : Berkala Ilmiah Bidang MIPA Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali Journal of Applied Engineering and Technological Science (JAETS) MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Teknomekanik Fokus Elektroda: Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Jurnal Vokasi Mekanika MASALIQ: Jurnal Pendidikan dan Sains Fleksibel: Jurnal Pengabdian Kepada Masyarakat Journal of Engineering Researcher and Lecturer Journal of Innovative and Creativity IJIMCE : International Journal of Innovation in Mechanical Construction and Energy Journal of Civil Engineering and Vocational Education Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer
Yolli Fernanda
Universitas Negeri Padang
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Journal : JOURNAL OF SCIENCE AND SOCIAL RESEARCH

 1 
ANALISIS KINERJA TURBIN AIR VERTIKAL TIPE S-SHAPE PADA SALURAN MELENGKUNG MENGGUNAKAN COMPUTATIONAL FLUID DYNAMICS (CFD) Asadellah, Dimas Pandhu; Qalbina, Fitrah; Fernanda, Yolli; Putra, Randi Purnama
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol 9, No 1 (2026): February 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i1.5793

Abstract

Abstract: The s-shaped turbine is a hydrokinetic turbine that has the potential to be applied to open channel flows due to its ability to operate at low flow velocities and its simple construction. However, the performance of this turbine is greatly influenced by the surrounding hydrodynamic conditions, including the geometry of the flow domain. This study aims to analyze the effect of variations in the open channel domain angle on the flow characteristics and performance of the s-shaped Savonius turbine using a Computational Fluid Dynamics (CFD) approach. Simulations were carried out at three variations of domain angles, namely 20°, 30°, and 40°, with an inlet flow velocity of 0.5 m/s, a turbine diameter of 76 mm, and a turbine height of 76 mm. The performance parameters analyzed included torque, power coefficient (Cp), and torque coefficient (Ct), as well as flow characteristics in the form of velocity contours, pressure contours, and streamlines. The simulation results show that variations in the domain angle have a significant effect on the flow distribution, pressure pattern, and torque stability produced by the turbine. The domain with an angle of 20° produces the highest Cp and Ct values, while the 30° domain shows a significant decrease in performance due to the increase in the recirculation zone and pressure imbalance around the rotor. Keyword: S-Shape Turbine; Hydrokinetics; Open Channel; CFD; Domain Angle Abstrak: Turbin tipe s-shape merupakan salah satu turbin hidrokinetik yang potensial untuk diaplikasikan pada aliran saluran terbuka karena kemampuannya beroperasi pada kecepatan aliran rendah dan konstruksinya yang sederhana. Namun, kinerja turbin ini sangat dipengaruhi oleh kondisi hidrodinamika di sekitarnya, termasuk geometri domain aliran. Penelitian ini bertujuan untuk menganalisis pengaruh variasi sudut domain saluran terbuka terhadap karakteristik aliran dan performa turbin s-shape menggunakan pendekatan Computational Fluid Dynamics (CFD). Simulasi dilakukan pada tiga variasi sudut domain, yaitu 20°, 30°, dan 40°, dengan kecepatan aliran masuk 0,5 m/s, diameter turbin 76 mm, dan tinggi turbin 76 mm. Parameter kinerja yang dianalisis meliputi torsi, koefisien daya (Cp), dan koefisien torsi (Ct), serta karakteristik aliran berupa kontur kecepatan, kontur tekanan, dan streamline. Hasil simulasi menunjukkan bahwa variasi sudut domain memberikan pengaruh signifikan terhadap distribusi aliran, pola tekanan, dan stabilitas torsi yang dihasilkan turbin. Domain dengan sudut 20° menghasilkan nilai Cp dan Ct tertinggi, sedangkan domain 30° menunjukkan penurunan kinerja yang cukup signifikan akibat meningkatnya zona resirkulasi dan ketidakseimbangan tekanan di sekitar rotor. Kata kunci: Turbin S-Shape; Hidrokinetik; Saluran Terbuka; CFD; Sudut Domain
Co-Authors - Primawati A, Yufrizal Abdu Idham Adam Mandra Suwandi Agustian, Rizki Ahmed, Shabir Akbar, Arifki Akhmad Rais Al Rahman, Muhammad Fadil Albasyit, Muhammad Ravi Alhakim, Rezki Ambiyar, Ambiyar Aminuyati Ananda, Yoga Rizki Andika Putra ANDIKA SAPUTRA Andre Kurniawan Andre Kurniawan Andre Kurniawan Arafat, Andril Arwizet Arwizet Arwizet Arwizet, Arwizet Arwizet. K Asadellah, Dimas Pandhu Ashekul Islam Azis, Ismail Budi Syahri Delima Yanti Sari Desyandri Desyandri Devky Meinaldi Fernanda Dionova, Aldi Dori Yuvenda Dwi Sakti Putra DWI SURYANTO Egis Egis Eko Indrawan Elvira Zondra, Elvira Erizon, Nelvi Fadhilah Fadhilah Fadri, Muhammad Al Fahrendra, Aqsal Faisal, Afdal Fathi Aulia DZ Febri Prasetya Felia Maresta Fido Delfri Tamasya Firma Yulianis Fitrah Qalbina Fitri Amelia Fonny Maswija Priscilla Fretina Sari Hadi, Farhan Handayani, Meisuri Handrianto Handrianto Hendri Nurdin Hidayattullah, Riezky Irfan, Abdillah Irzal Irzal Irzal, Irzal Jasman Jasman Kandena Putra, Tegar Kiwata, Takahiro Kurniawan, Badri La Ode Ahmad Barata M Chalid Kurnia M. Ilham Anugrah Illahi Mega Oktaviani Mochammad Haikal Muhammad Akhbar Muhammad Ihsan Muhammad Raihan Muhammad Riski Hidayat Muhammad Shiddiq Muhammad, Maghfiridhani Mulianti Nasution, Ridhollah Nelvi Erizon Nurdin Hendri Nurwijayanti Prasetya, Kresna Adi Pratomo, Muhammad Agung Primandari, Sri Riski Putri Primawati Primawati, Primawati Purwantono Purwantono purwantono purwantono Purwantono, Purwantono Putra, Randi Purnama Rahmadiawan, Dieter Ramadhan, Fadli Randi Purnama Putra Refdinal Refdinal, Refdinal Refdinal, Refdinal Refitra Irawan Remon Lapisa Ridhatul Arif Rifelino Rifelino Riki Saputra, Riki Riky Satria Rizki Ramadhan Nasution, Muhammad Robby, Muhammad Rudy Anarta Salmat, Salmat Seprianto, Ekon Sherly Rahmayani Shi, Shih-Chen Sri Rizki Putri Primandari Surya, Fajar Syahril Syahril Syaiful Salim Teki Haryono Toto Sugiarto Usin Usin Waskito Willy Vernando Yovindra, Difa Yufrizal Yufrizal Yuliardiansyah, Haris Yusmaita, Eka Zainal Abadi Zhuang, Wei-Ting Zulvani Adha