EKSPERIMENTAL PENGARUH VARIASI SUDUT SUDU BERPENAMPANG SEGITIGA TERHADAP DAYAaDANaEFISIENSI TURBIN CROSSFLOWlPOROSlHORIZONTAL
Indonesia's electricity generation development patterns still tend to rely on the availability of fossil fuel-based fuels. By utilizing renewable energy, in an effort to reduce reliance on fossil fuels. Hydropower has been widely carried out development in various regions in Indonesia, especially Crossflow water turbines whose applications include all locations with water flow discharge and head or high low and medium water falls. The purpose of this study is to determine the effect of triangular angle variations on power and efficiency in horizontal shaft crossflow turbines.
This study used an experimental method using variations in triangular angles of 80°, 90°, 100° and 110° with a total of 6 spoons and variations in water flow capacity of 9,855 L/s, 11,804 L/s, and 14,320 L/s. These turbines are tested on the system for power value and efficiency.
The results of this study on variations of angles of 80°, 90°, 100° and 110° obtained optimum turbine power generated from at a 110° angle at a capacity of 14,320 L/s of 2,839 Watts with a load of 6000 grams and has a load resistance of up to 8000 grams. While the maximum turbine efficiency is generated from at a 110° angle at a capacity of 11,804 L/s of 77.14% with a load of 6500 grams and has a load resistance of up to 9500 grams.
This is because the characteristics of the 110° angle of blade are having a smaller blade angle, so obstacles caused by the flow of water can be reduced and water thrust to turn the turbine can be optimized.
Keywords: Crossflow, Power, Efficiency, Triangular Angle, Turbine
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