ICUAS 2020 Paper Abstract

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Scanavino, Matteo (Politecnico di Torino), Avi, Arrigo (Eurac Research), Vilardi, Andrea (Eurac Research), Guglieri, Giorgio (Politecnico di Torino)

UAS Testing in Low Pressure and Temperature Conditions

Scheduled for presentation during the Regular Session "UAS Testbeds" (FrD1), Friday, September 4, 2020, 17:50−18:10, Macedonia Hall

2020 International Conference on Unmanned Aircraft Systems (ICUAS), September 1-4, 2020 (Postponed from June 9-12, 2020), Athens, Greece

This information is tentative and subject to change. Compiled on March 28, 2024

Keywords UAS Testbeds, Environmental Issues, Technology Challenges

Abstract

The increasing demand of UAS has generated interest in the scientific community to understand how the environmental parameters affect performance of these emerging vehicles. A bias in the existing tests has been the nonreproducibility of the same climatic conditions. Therefore, UAS have not been fully exploited by the marker so far. Standard protocols for UAS testing in unconventional weather conditions have not been investigated from both industry and academic research. Temperature and pressure are environmental parameters that affect the aerodynamics of Unmanned Aircraft Systems (UAS). Low Reynolds numbers are common for small scale UAS and have a strongly influence on propeller and vehicle capabilities. In the past years, experimental studies on the effects of low Reynolds numbers have been carried out in wind tunnel facilities in conventional atmospheres (ambient temperature and pressure). Moreover, the complexity of the aerodynamic field results in propeller and full vehicle performance prediction methods with limited accuracy. In this paper an experimental setup inside a climatic and hypobaric laboratory is used to highlight temperature and pressure influence on single propeller and full vehicle performance in static conditions (hover). Test results are discussed and provided to the reader, highlighting the complexities of the measurements when extreme temperature and low pressure are set. The main contribution of this study is a set of experimental data to pave the way for a deep investigation on harsh environmental conditions on UAS propulsion system. Index Terms—Propeller and UAS Performance, Harsh Environmental Conditions, Test Stand

 

 

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