OPTIMIZATION OF TURBINE BLADE STATURE IN FREE VORTEX SYSTEM FOR POWER GENERATION
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Abstract
The objective of this study was to find the suitable turbine blade stature size for vortex system in power generation which was conducted in a free vortex pool with 1 meter of diameter and 0.5 meter of height and the water exit diameter of 0.2 meter. In conducting experiments, five-blade turbines of twelve different sizes of diameter at 0.5, .6, 0.7, 0.8 meter and with 3 different height at 0.2, 0.3 and 0.4 meter respectively were built. Experiments were carried out at the water flow rates of 0.02 to 0.06 cubic meters per second. Then they were tested for efficiency and appropriate size using the Response Surface Methodology (RSM). It was found that the turbine blade with the diameter of 0.7 meter and height of 0.4 meter with the rate of water flow at 0.02 cubic meter per second brought the highest efficiency for the free vortex system in power generation at 13.92%.
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