Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Introduction of a Novel Structure for Light Unmanned Balloon’s Payload: A Comprehensive Hybrid Study

Version 1 : Received: 16 March 2024 / Approved: 18 March 2024 / Online: 18 March 2024 (10:44:18 CET)

How to cite: Hegyi, N.; Fekete, G.; Jósvai, J. Introduction of a Novel Structure for Light Unmanned Balloon’s Payload: A Comprehensive Hybrid Study. Preprints 2024, 2024031021. https://doi.org/10.20944/preprints202403.1021.v1 Hegyi, N.; Fekete, G.; Jósvai, J. Introduction of a Novel Structure for Light Unmanned Balloon’s Payload: A Comprehensive Hybrid Study. Preprints 2024, 2024031021. https://doi.org/10.20944/preprints202403.1021.v1

Abstract

This article introduces a novel payload structure, which has been experimentally proven to have smaller impact force while the carried internal electronics remains intact. The study describes in details how materials and geometric structures were chosen based on information analysis. It is clarified how possible geometric structures and materials can be chosen to yield optimal efficiency. Finite element method simulations were carried out to investigate the mechanical properties of several geometric structures, which has led to the dodecahedron form. For the frame, Polylactic Acid were chosen as an optimal material. A low air pressure test for parts of the structure, and also the whole structure were carried out with successful results. Drop tests, with force measuring sensors and high speed videos, were carried out for measuring and comparing the maximal impact force of classical payloads and the novel one. Laboratory and real life tests demonstrated that the developed new structure is safer and it is applicable.

Keywords

novel payload structure; dodecahedron; PLA; low air pressure test; drop test; flight test

Subject

Engineering, Aerospace Engineering

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