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All Journal International Journal of Renewable Energy Development BIMASTER Equator Journal of Management and Entrepreneurship Epsilon: Jurnal Matematika Murni dan Terapan Abdimas Al-Jabar : Jurnal Pendidikan Matematika Al Ishlah Jurnal Pendidikan Indonesian Journal of Science and Mathematics Education BAREKENG: Jurnal Ilmu Matematika dan Terapan JPMI (Jurnal Pendidikan Matematika Indonesia) Martabe : Jurnal Pengabdian Kepada Masyarakat GERVASI: Jurnal Pengabdian kepada Masyarakat Jurnal Matematika UNAND Jurnal Pengabdian kepada Masyarakat Nusantara KUBIK: Jurnal Publikasi Ilmiah Matematika Jurnal Abdimas Bina Bangsa Jurnal PkM (Pengabdian kepada Masyarakat) Komatika: Jurnal Pengabdian Kepada Masyarakat Journal of Education Research Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Bestari: Jurnal Pendidikan dan Kebudayaan Jurnal Matematika Integratif Limits: Journal of Mathematics and Its Applications Jurnal bahasa, sastra, seni, dan pengajarannya
Evi Noviani
Department Of Mathematics, Faculty Of Mathematics And Natural Science, Tanjungpura University, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry 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 Library & Information Science Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Journal : International Journal of Renewable Energy Development

 1 
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 Adhazi, Tri Adventa, Maria Wisda Agung Hartoyo AGUS PRIYANTO Ahmad Yani T Aljona, Sarah Amalia Wigati Ananda Rizky Amelia Andriani, Rika Fitri Annisatul Khairiah Awalia, Alma Putri Awaliyah, Ilka Nur Bayu Prihandono Budiono, Satwiko Christy, Maria Citra Puella Cucu Suhery Dwi Oktaviana Ekaristi, Mita Elvi Rusmiyanto Pancaning Wardoyo, Suci Lestari, Mukarlina, Epifania Kurva Evi Utami FAJRIN NURSETYA DESI Fatonah, Fatma Arum Feby Fitria Ramadhita Fitriah Fitriah Fitriani Fitriani Fran, Fransiskus Fransiskus Fran Fransiskus Fran Gusrizal Gusrizal Hari Rahman Alam Hasanuddin Hasanuddin Helmi Helmi Helmi Helmi Helmi Hendra Perdana Hestivera, Eva Novianti HUDA, NUR’AINUL MIFTAHUL Huda, Nur’ainul Miftahul Humaira Ichlashi Amaliah Ibnur Rusi Ika Widiastuti, Ika Josua, Josua Juandi Juandi Kurnia, Elsa Lili Oktaviana Lili Surai’ya Linisius Caesar Kevin Sinopa Mariatul Kiftiah Meilyna Habibullah Meliana Pasaribu Mohamad Rif’at Mudinillah, Adam Muhardi Nadia Nadia Nazara, Valeri Nilamsari Kusumastuti Nurin Hafizah NUR’AINUL MIFTAHUL HUDA Paranditus Paranditus Paranditus, Paranditus Pratama, Anjeryan Sapta ratih ratih Renisa Auditaputri Renny Puspita Sari Resti Julia Susanti Safitri, Fauziah Sari, Nyemas Yupika Sari, Weni Kartika Sariyanti, Eka Sary, Febriani Setyo Wira Rizki Simin Simin Siti Nur Amanah Sugiatno Sugiatno Suriyana Suriyana Suryaningsih, Dwi Syafitri, Kintan Salsabila Hasria Syed Bilal Asim Tari, Shovita Anugrah Uray Agustian Yoga Satria Putra Yoga Satria Putra Yudha Arman Yudhi Yuli Rahayu Yundari, Yundari