Micro power generation blades

How are screw turbine blades made?

These screw turbine blades are made by using a 3D printer with ABS material. 3D printing can make screw blades and a tubular core (as the inner diameter of the screw) in one part. The production of a very small screw blade is difficult to manufacture from an industrial point of view. It needs milling, cutting, and soldering or welding.

How many blades does a screw turbine have?

In this section experimental results have been discussed for three different configurations of the screw turbine: one blade, two blades, and three blades. A comparative study between each of these sets of results has been presented.

How many blades should a turbine have?

Further, the results show that with the increasing number of blades, the efficiency and power generation capacity can be increased, but the overall performance improvement relative to one blade turbine peaks at around 7 blades. Increasing the power generation capacity can in turn make the turbine compact and could be fabricated at a low-cost. 1.

What is a micro-power generator system?

A micro generator system can be designed from waterpower to generate enough power for houses, a plantation, and a small village . One important advantage of this micro-power generator system is that the electric power output can be predicted via weather forecasting , and it has a positive impact on the environment .

Does a screw turbine have a better performance than one blade?

A comparison of the experimental performance shows that the screw turbine has higher performance with three blades compared to one, provided there are no manufacturing constraints. At low-speed operation, a turbine with three blades exhibited far better performance than one blade; hence it could be a better operational selection in most cases.

Are three blade turbines a good choice for hydrodynamic design?

Various performance parameters such as power, torque and efficiency were computed for comparison of the turbines. The turbine with three blade configuration was observed to strike an optimum balance between performance and effective hydrodynamic design.