In-Situ Cloud Particle Measurements on an UAV
Kaikkonen, Ville A.; Molkoselkä, Eero O.; Juttula, Harri J.; Mäkynen, Anssi J. (2024-06-18)
UiT-The Arctic University of Norway
18.06.2024
Kaikkonen, V. A., Molkoselkä, E. O., Juttula, H. J. & Mäkynen, A. J. (2024). In-Situ Cloud Particle Measurements on an UAV. In M. Shakeel Virk (ed.), 20th International Workshop on Atmospheric Icing of Structures (IWAIS 2024) (pp.285-289). UiT-The Arctic University of Norway. https://uit.no/Content/854455/cache=20243007101750/IWAIS%202024%20-%20Proceeding.pdf
https://creativecommons.org/licenses/by/4.0/
The IWAIS 2024 conference proceedings is published under the Creative Commons Attribution License (CC-BY 4.0), where authors retain the copyrights.
https://creativecommons.org/licenses/by/4.0/
The IWAIS 2024 conference proceedings is published under the Creative Commons Attribution License (CC-BY 4.0), where authors retain the copyrights.
https://creativecommons.org/licenses/by/4.0/
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:oulu-202412167306
https://urn.fi/URN:NBN:fi:oulu-202412167306
Tiivistelmä
Abstract
Cloud particle measurements have been typically carried out with specialized manned aircraft, limiting the measurement opportunities only for those parties having large enough resources. Hence, new tools are being developed to be used on small-scale unmanned aerial vehicles (UAVs) to make the measurements available for a larger user group and to increase the amount of cloud particle data collected around the globe. Lensless digital holographic imaging enables fast sampling rates together with lightweight construction, making it an appealing design choice for cloud particle sensor implementation on small-scale UAVs. The relative low air speeds of the small-scale UAVs also enable a dense spatial sampling of clouds. In this paper, we present a prototype of an UAV-mounted cloud particle sensor and results from the first test flights in varying weather conditions flown in 2023 on Muonio, Finland. With the sensor, cloud particles in the size range from 5 µm to 1 mm can be imaged and measured. Result presented are from the first flight campaign in September 2024 from Muonio, Finland. The flights were done using an X-UAV Talon UAV, which could perform typically 30 min flights and the maximum altitudes reached were 2 km ASL. Cloud particle measurement using the UAV cloud particle sensor from a cloud event with changing phase from liquid to ice is presented and discussed.
Cloud particle measurements have been typically carried out with specialized manned aircraft, limiting the measurement opportunities only for those parties having large enough resources. Hence, new tools are being developed to be used on small-scale unmanned aerial vehicles (UAVs) to make the measurements available for a larger user group and to increase the amount of cloud particle data collected around the globe. Lensless digital holographic imaging enables fast sampling rates together with lightweight construction, making it an appealing design choice for cloud particle sensor implementation on small-scale UAVs. The relative low air speeds of the small-scale UAVs also enable a dense spatial sampling of clouds. In this paper, we present a prototype of an UAV-mounted cloud particle sensor and results from the first test flights in varying weather conditions flown in 2023 on Muonio, Finland. With the sensor, cloud particles in the size range from 5 µm to 1 mm can be imaged and measured. Result presented are from the first flight campaign in September 2024 from Muonio, Finland. The flights were done using an X-UAV Talon UAV, which could perform typically 30 min flights and the maximum altitudes reached were 2 km ASL. Cloud particle measurement using the UAV cloud particle sensor from a cloud event with changing phase from liquid to ice is presented and discussed.
Kokoelmat
- Avoin saatavuus [38840]
Ellei muuten mainita, aineiston lisenssi on https://creativecommons.org/licenses/by/4.0/