Numerical Study of H-Darrieus Turbine as a Rotor for Gravitational Vortex Turbine
DOI:
https://doi.org/10.37934/cfdl.14.8.111Keywords:
Vortex, Geometry, Turbine, Energy, Darrieus, CFD, RotorAbstract
The main objetive of this study is to compare numerically the torque generated at 50, 75, 100, and 125 rpm by H-Darrieus turbine as a rotor for Gravitational Vortex Turbine. The rotational flow into the gravitational vortex turbine tank helped to decrease the negative torque in H-Darrieus rotor. The study was developed in ANSYS® CFX, where the model was configured at constant operating conditions. The highest torque was 0.117 Nm at 50 rpm, and the torque decreased with increasing rpm. The H-Darrieus works with increasing lift force, however, the rotor inside the Gravitational Vortex Turbine interacts with drag force.
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