Experimental study of small hydro turbine propeller performance with a variety of blade angles of attack
DOI:
https://doi.org/10.22441/sinergi.2022.3.001Keywords:
Angle of attack, Double propeller, Hydro turbine,Abstract
The availability of non-renewable energy has recently been running low and so impacts electrical energy. Renewable energy is converted from natural sources to kinetic energy. The Double Propeller Water Turbine is a water turbine that is suitable to be applied using a small flow head. This research is a development of previous research by changing the degree of inclination of the blade angle on the turbine, which is used to determine changes in the power and efficiency of the Double Propeller turbine at various speeds. The results showed that the Double Propeller turbine rotation’s performance was directly proportional to the slope of the turbine blade angle. The optimum angle of attack on the hydro turbine affected the lift force and the ability of the water flow to capture water power. At the lowest blade angle, which is 20 degrees, the highest rotational speed is obtained with a value of 335 rpm. The turbine generates the most significant power with a blade angle of 20o, with a value of 4.81 watts, and the highest efficiency is 24%. The degree of blade angle affects the performance of the Double Propeller turbine.
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