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The design of an aspirator device for the collection of olive fruits

Fytilis Konstantinos

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Summary

The aspirator device assists in the manual labor of collecting olives from the net, being a device that can be mounted on agricultural tractors and, through the creation of suction, manages to transfer the olives from the ground (net) into a discharge container. This device is available on the market, but it is entirely absent from the literature — not only as a product, but more importantly, there is no description of the construction process or the theoretical background required for the complex calculations necessary for the device's design process. This thesis initially presents the necessary background of theoretical aerodynamic equations needed for the design process and the modeling of the device’s operation. From the modeling, it is concluded that the theoretical background of pneumatic conveying can provide solutions for the design. Next, the design process begins by calculating the design parameters so that the device meets operational requirements. Then, a digital prototype is created, which will serve as a guide for the construction of the device. Finally, the device was constructed, and its performance was measured, providing both quantitative and qualitative observations for improving the device and developing a second, enhanced version.

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