Pengujian dan Analisis Unjuk Kerja Runner Tipe Silindris pada Sistem Turbin Air Vortex
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Abstract
The vortex turbine system test model has been created in the Machine Performance Laboratory of the Mechanical Engineering Study Program, Faculty of Engineering, Udayana University. As a baseline, a cylindrical turbine runner with curved blades was first tested considering that this runner has a simpler design and is easier to manufacture and has been widely applied. This runner has an outer diameter of 240mm and an inner diameter (shaft bossing) of 42mm and a height of 180mm. The test was carried out with variations in the pump drive water flow rate of around 4 ~ 10 litres/second, and with variations in load or torque. The results show that the greater the load/torque given, the turbine rotation decreases and vice versa. In addition, the greater the flow rate of the turbine drive water produces higher turbine power and torque. However, the highest efficiency is achieved at a water flow rate of around 9 litres/second. The turbine rotation at the highest efficiency is around 120 rpm. So, from the results of the study, this turbine system is recommended to be operated at a flow rate of 8 ~ 9 litres/second.
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How to Cite
SUARDA, Made et al.
Pengujian dan Analisis Unjuk Kerja Runner Tipe Silindris pada Sistem Turbin Air Vortex.
Prosiding Seminar Nasional Sains dan Teknologi (Senastek), [S.l.], v. 9, n. 1, p. 92-98, dec. 2024.
Available at: <https://ojs.unud.ac.id/index.php/senastek/article/view/119265>. Date accessed: 04 feb. 2025.
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References
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[3] A. Kumar et al. 2011. Hydropower. In IPPC Special Report on Renewable Energy Sources and Climate Change Mitigation. Cambridge University Press, Cambridge.
[4] D. Egre & J.C. Milewski. 2002. The diversity of hydropower projects. Energy Policy, vol. 30 (2002), pp. 1225–1230.
[5] T. Khan et al. 2021. Design and Development of a Vortex Turbine for the Hilly Regions of Bangladesh. Advances in Engineering Research, vol. 207, pp. 290-297.
[6] P. Sritram & R. Suntivarakorn. 2017. Comparative Study of Small Hydropower Turbine Efficiency at Low Head Water. Energy Procedia, vol. 138 (2017), pp. 646–650.
[7] A.B. Timilsina, S. Mulligan & T.R. Bajracharya. 2018. Water vortex hydropower technology: a state‑of‑the‑art review of developmental trends. Clean Technologies and Environmental Policy, vol. 20, pp. 1737–1760. https://doi.org/10.1007/s10098-018-1589-0.
[8] T.R.Bajracharya, R.M. Ghimire & A.B. Timilsina. 2018. Design and Performance Analysis of Water Vortex Powerplant in Context of Nepal. 20th International Seminar on Hydropower Plants, 14-16 November 2018, Vienna, Austria, pp. 1-20.
[9] R. Dhakal et al. 2017. Computational and Experimental Investigation of Runner for Gravitational Water Vortex Power Plant. 6th International Conference on Renewable Energy Research and Applications, Sandiego, 5-8 November 2017, pp. 365-373.
[10] O.O. Micheal et al. 2019. Design and Fabrications of A Gravitational Vortex Hydraulic Turbine. Department of Mechanical Engineering Faculty of Engineering University of Benin, Benin-City, pp. 1-70.
[11] Dahal, et al. 2019. Performance Analysis of Booster based Gravitational Water Vortex Power Plant. Journal of the Institute of Engineering, vol.15, No.3, 90-96.
[12] S. Dhakal et al. 2015. Comparison of cylindrical and conical basins with optimum position of runner: Gravitational water vortex power plant. Renewable and Sustainable Energy Reviews, vol. 48 (2015), pp. 662–669.
[13] T.C. Kueh et al. 2017. Experimental study to the influences of rotational speed and blade shape on water vortex turbine performance. IOP Conf. Series: Journal of Physics: Conf. Series, vol. 822 (2017), pp. 1-7.
[14] D.S. Edirisinghe, et al. 2023. Numerical and experimental investigation on water vortex power plant to recover the energy from industrial wastewater. Renewable Energy, vol. 204, March 2023, pp. 617-634.
[15] Kouris, P.S. 2000. Hydraulic Turbine Assembly. US Patent, Number: 6,114,773.
[16] Domfeh, M.K., et al. 2020. Numerical simulation of an air-core vortex at a hydraulic intake using OpenFOAM. Elsevier: Scientific African, vol. 8, pp. 2468-2276.
[17] E. Quaranta et al. 2022. The Very Low Head Turbine for hydropower generation in existing hydraulic infrastructures: State of the art and future challenges. Sustainable Energy Technologies and Assessments, vol. 51 (2022), pp. 1-13.
[18] Herbhakti, F.A. 2020. Perancangan dan Eksperimen Model Turbin Gravitasi Vortex Skala Laboratorium (Tesis). Surabaya: Institut Teknologi Sepuluh Nopember.
[19] A. Sedai et al. 2020. Performance analysis of Gravitational water vortex power plant using scale-down model. Proceedings of Current Research in Hydropower Technologies, CRHT X, pp. 1-10.
[20] Edirisinghe, D.S., et al. 2023. Numerical and experimental investigation on water vortex power plant to recover the energy from industrial wastewater. Renewable Energy, Vol. 204, pp. 617-634. https://doi.org/10.1016/j.renene.2023.01.007
[21] S. Mulligan, J. Casserly & R. Sherlock. 2016. Effects of Geometry on Strong Free-Surface Vortices in Subcritical Approach Flows. Journal of Hydraulic Engineering, vol. 04016051, pp. 1-12.
[22] Warjito et al. 2020. The effect of basin geometry on gravitational vortex hydropower. IOP Conf. Series: Materials Science and Engineering, vol. 788, pp. 1-10. doi:10.1088/1757-899X/788/1/012081
[23] A.S. Saleem et al. 2018. Experimental Investigation of Various Blade Configurations of Gravitational Water Vortex Turbine (GWVT). Proc. of the 4rth International Conference on Power Generation Systems and Renewable Energy Technologies (PGSRET), 10-12 September 2018, Islamabad, Pakistan, pp. 1-5.
[24] Power et al. 2016. A Parametric Experimental Investigation of the Operating Conditions of Gravitational Vortex Hydropower (GVHP). Journal of Clean Energy Technologies, Vol. 4, No. 2, pp. 112-119.
[25] R. Ghani et al. 2019. Experimental investigation of a water vortex power plant – performance and degree of efficiency. https://www.researchgate.net/publication/333516760, pp. 1-5.