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Rahmat Azis Nabawi
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INDONESIA
Innovation in Engineering
Published by Researcher and Lecturer Society
ISSN : 30475473     EISSN : 30475473     DOI : https://ie.rlsociety.org/index.php/ie/oai
Core Subject : Engineering,
Engineering
Innovation in Engineering is an international journal dedicated to publishing the latest research in the field of engineering. The journal serves as a platform for researchers, engineers and designers to share their innovative findings, methodologies and insights into the conceptualisation, development and implementation of various techniques. Overall, Innovations in Engineering plays an important role in disseminating innovative research, fostering collaboration and inspiring progress in the ever evolving field of engineering. The journal s rigorous peer review process ensures the publication of accurate and reliable information, thereby enhancing credibility and trust among its readers. It welcomes all contributions related to the latest innovations and developments in Engineering field.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 21 Documents
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Design, CFD analysis, and experimental validation of a NACA 4415 ducted hydrokinetic turbine for low-velocity river applications Pepito, Ma. Leona Maye B.; Ignalig, Kent B.; Becoy, Ian Keanu E.; Tadifa, Keith John D.; Lumasag, John Kenno P.
Innovation in Engineering Vol. 3 No. 1 (2026): Regular Issue
Publisher : Researcher and Lecturer Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58712/ie.v3i1.43

Abstract

Hydrokinetic turbines represent a promising solution for renewable energy generation in low-velocity rivers where conventional hydropower systems are not technically or economically feasible. Despite increasing interest in ducted hydrokinetic turbines, experimental validation of turbines employing the NACA 4415 airfoil under low-flow river conditions remains limited. This study presents the design, computational fluid dynamics (CFD) analysis, and experimental validation of a horizontal-axis ducted hydrokinetic turbine using the NACA 4415 airfoil, specifically optimized for low-velocity river applications. Numerical simulations and field experiments were conducted for water velocities ranging from 0.89 to 1.03 m/s to evaluate turbine performance in terms of rotational speed, torque, power output, and power coefficient. The results indicate that the four-bladed ducted turbine achieved a maximum experimental power output of 67 W at a flow velocity of 1.03 m/s, corresponding to a power coefficient of 0.32. The diffuser-augmented configuration enhanced flow acceleration and rotational speed compared to theoretical predictions and numerical simulations, although performance discrepancies were observed due to hydrodynamic losses and mechanical inefficiencies. Overall, the findings demonstrate the feasibility and effectiveness of NACA 4415 ducted hydrokinetic turbines for decentralized renewable energy generation in low-flow river environments, contributing valuable experimental data for the development and optimization of small-scale hydrokinetic systems.

Page 3 of 3 | Total Record : 21

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