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All Journal Journal of Marine and Aquatic Sciences International Journal of Renewable Energy Development POSITRON PRISMA FISIKA Jurnal Fisika Unand JOURNAL ONLINE OF PHYSICS Acta Aquatica: Aquatic Sciences Journal Jurnal Laut Khatulistiwa Jurnal Penelitian Pengelolaan Daerah Aliran Sungai Jurnal Geofisika Jurnal Fisika dan Terapannya Bubungan Tinggi: Jurnal Pengabdian Masyarakat Community Development Journal: Jurnal Pengabdian Masyarakat Community Empowerment Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Bulletin of Geology Jurnal Geosaintek JuTISI (Jurnal Teknik Informatika dan Sistem Informasi)
Yoga Satria Putra
Program Studi Geofisika, Fakultas MIPA, Universitas Tanjungpura, Pontianak
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Other

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Journal : International Journal of Renewable Energy Development

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Numerical Study of The Effect of Penstock Dimensions on a Micro-hydro System using a Computational Fluid Dynamics Approach Putra, Yoga Satria; Noviani, Evi; Muhardi, Muhardi
International Journal of Renewable Energy Development Vol 11, No 2 (2022): May 2022
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.2022.42343

Abstract

The performance of a micro-hydro system needs always to be improved so that the electrical power produced can be more optimal. This article aims to study numerically the effect of penstock dimensions on the potential of electrical energy in a micro-hydro system using a computational fluid dynamics (CFD) approach. The study of the effect of dimensions on the performance of a hydropower system is still quite rare. In this paper, the impact of dimensions on the micro-hydro system has been analysed by constructing thirty simulations of water flow in the penstock consisting of five variations of penstock slope ( and ) for six penstock diameter variations (  m,  m,  m,  m,  m, and  m). The simulation was built using the open-source CFD software OpenFOAM which applies the finite volume method to solve the Navier-Stokes equation as a flow model. The simulated water velocity profile is then validated against the velocity profile of the analytical solution (power-law) for turbulent flow in the pipe. Energy loss analysis on the penstock has been carried out to determine the cause of the energy loss in the penstock characterised by loss coefficient . An enormous  value will impact the decrease in the electric power potential of a micro-hydro system. The total length of the penstock  induces the variation of the   which affects the changes in the electrical power of the micro-hydro system. The shorter  will increase the electric power potential of a micro-hydro system. With a high flow velocity of water in the penstock (  m/s), the electric power increases linearly with increasing the diameter value of the penstock. The analysis results show that the penstock dimensions can affect the changes in the electric power of the micro-hydro system. In addition, the work presented in this article has shown that the CFD approach can be used as a low-cost initial step in building an actual micro-hydro system 
Co-Authors . Agato . Timotius A.A. Ketut Agung Cahyawan W Aang Kurniady Adiningsih, Nadia Adriati Adriati Ahmad Mushawwir Anastasia Anastasia Andi Ihwan Apriyanto Ramadhan Ardianto, Randy Ari Antasari Kushadiwijayanto Arie Antasari Kushadiwijayanto Arminingsih, Diah Astuti, Ayu Dwi Aswati, Tiara Aprileonadha Azrrue, Tsa Tsa Aisyha Yuditha Azrul Azwar Bedry Yuveno Denny Boni Pahlanop Lapanporo Christy, Maria Citra Puella Dayang Samsul Hidayah Delfi Warsita Masdat Desti, Desti Dwiria Wahyuni Elfrida Ratnawati Evi Noviani Fadziella, Syarifah Resha Faisal Faisal Faisal Faisal Faras, Angelia Millenis Febriana Diah Permata Fitriana, Zuliya Eka Fossetta, Bella Gustiani, Siska Hasanuddin Hasanuddin Hasanuddin Hasanuddin Hendro Tira Hendromi, . Heni Susiati Hermawan, Rikki Irfana Diah Faryuni Irvan Nur Prasetya Jennifer Sulastri Joko Sampurno Jumarang, Muh Ishak Kurnia, Elsa Kushadiwijayanto, Arie Antasari Latifah Maesaroh Menas Aswan Mentari Yuniar Muh. Ishak Jumarang Muhammad Sholeh Muhardi Muhardi Muhardi Muliadi Muliadi Muliadi Muqsit J.A, Ibrahim Nadia Nadia Natasha, Ingga Noang, Aurel Vivaldi Noviani , Evi Nugraha, Alfa Nugroho, Kunto Adi Nur Hayati Nurhaliza Nurhaliza Nurhasanah Nurhasanah Nurhasanah Nurhasanah Nurhasanah Nurhasanah Nursiani, Tuti Perdana, Radhitya Perdhana, Radhitya Pradipta, Aditya Tri Prasetya, Irvan Nur Pratiwi, Tasya Mahardika Purnama, Desi Indah Puteri, Martsa Farindi Dwi Putri, Tiara Nusa Qonita, Ismi Rizqi Radhitya Perdhana Rahwanda Rahwanda Rezeki, Desi Saputri Sri Risko, Risko Riza Adriat Rumyati Pujiastuti Salawati Salawati Salawati, Salawati Santi, Maria Aventri Saputra, Sepbriyan Rizky Sari Sari Sri Rahayu Ningsih Suci Fitri Nazila Suteja, Aji Syntia Apriani Taruna, Fizza Tri, Mario Andika Triwerdhana, Afriadhi Tuti Nursiani Wilnaldo, Andre Yudha Arman Yuliana, Dylla Yundari, Yundari Yuniar, Mentari Yupensius Febi Ariputra Yuris Sutanto Zulfian Zulfian