Optimization of Non-Traditional Wind Turbines

What optimal blade design, size, and pitch, optimizes a dual rotor wind turbines output? If an optimal blade can be found for a single rotor turbine design, and then applied to a dual rotor turbine then the efficiency for the wind turbine will increase. And once the dual rotor design is found. It needs to be optimized. The purpose of the experiment is to find the optimal blade size ratio, as well as design of the blade itself. However before either of those could be achieved, since the hub rods will be spinning in opposite directions, testing had to be done to compensate for the criteria of the rotation of the system. The procedure involves choosing counter rotating, and non counter rotating blades. Then the blades are tested to see which set outputs the most power, in a given time period of 30 min over a set of 6 trials. Thus finding that the counter rotating blades were more effective for increasing the efficiency of the dual rotor system. These implications can be applied to blade design/material and size ratio to to improve the efficiency of the dual rotor turbine. Future work involving a single piece hub and blade assembly, with different materials is still to be done