Abstract
Banki turbine is a crossflow turbine, usually for micro-hydro power plant applications. The output power is the main important thing. To get the maximum output power, researchers had done various solutions, one of them was to regulate the velocity of the water entering the runner blade from the first stage to the second stage with a good flow trajectory and didn’t strike the shaft. This research aims to investigate the angle variations of the guide vane’s bottom guide plate against the inflow of banki turbine blades, so that a uniform flow and velocity were obtained, did not strike the shaft and maximize power. To find the best variant, 7 lower plate angle variants and 2 runner casing variants were made. Each geometry of variant was created in the 2D and 3D Software. The flow test simulation and analysis were carried out in the CFD Simulation. The discharge of water was 2 m3/min and head 5.5 m. After the CFD test simulation, the following results were obtained that the greater the angle the better the flow trajectory and not struck the shaft. In the KB-7 variant, it flows through blade 1, did not struck the runner shaft, then fully developed flow trajectory jumped to the blade 2 so that could stabilize the rotation and increased the power of the turbine. It was found that KB-7 was the best variant.
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Sirojuddin, Wardhana, L.K., Rizky, O., Ibnawati, R., R. Syahri, J. (2020). Investigation of the Angle Variations of the Guide Vane’s Bottom Guide Plate Againsts the Inflow of Banki Turbine Blades. In: Sabino, U., Imaduddin, F., Prabowo, A. (eds) Proceedings of the 6th International Conference and Exhibition on Sustainable Energy and Advanced Materials. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-4481-1_47
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DOI: https://doi.org/10.1007/978-981-15-4481-1_47
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