[HTML][HTML] Experimental heat loads for electrothermal anti-icing and de-icing on UAVs

R Hann, A Enache, MC Nielsen, BN Stovner… - Aerospace, 2021 - mdpi.com
Atmospheric in-flight icing on unmanned aerial vehicles (UAVs) is a significant hazard.
UAVs that are not equipped with ice protection systems are usually limited to operations …

[HTML][HTML] Experimental and numerical icing penalties of an S826 airfoil at low Reynolds numbers

R Hann, RJ Hearst, LR Sætran, T Bracchi - Aerospace, 2020 - mdpi.com
Most icing research focuses on the high Reynolds number regime and manned aviation.
Information on icing at low Reynolds numbers, as it is encountered by wind turbines and …

UAV icing: The influence of airspeed and chord length on performance degradation

R Hann, TA Johansen - Aircraft Engineering and Aerospace …, 2021 - emerald.com
Purpose The main purpose of this paper is to investigate the effects of icing on unmanned
aerial vehicles (UAVs) at low Reynolds numbers and to highlight the differences to icing on …

[HTML][HTML] UAV icing: Development of an ice protection system for the propeller of a small UAV

NC Müller, B Løw-Hansen, KT Borup, R Hann - Cold Regions Science and …, 2023 - Elsevier
Atmospheric icing, also called in-flight icing, is a common hazard for the operation of
uncrewed aerial vehicles (UAVs). With the background of a growing commercial and military …

[PDF][PDF] Unsettled topics in unmanned aerial vehicle icing

R Hann, TA Johansen - 2020 - ntnuopen.ntnu.no
Unmanned aerial vehicles (UAVs) are an emerging technology with a large variety of
commercial and military applications. In-flight icing occurs during flight in supercooled …

UAV icing: a performance model for a UAV propeller in icing conditions

NC Müller, R Hann - AIAA AVIATION 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3903. vid In-flight icing on
unmanned aerial vehicles is a severe hazard and imposes limits on the operational …

UAV Icing: A Survey of Recent Developments in Ice Detection Methods

B Løw-Hansen, R Hann, BN Stovner, TA Johansen - IFAC-PapersOnLine, 2023 - Elsevier
In-flight icing remains a significant challenge for the aviation industry. While mature solutions
for conventional aircraft exist, the options for small fixed-wing uncrewed aerial vehicles …

[HTML][HTML] Atmospheric ice accretions, aerodynamic icing penalties, and ice protection systems on unmanned aerial vehicles

R Hann - 2020 - ntnuopen.ntnu.no
This thesis focused on atmospheric ice accretions, aerodynamic icing penalties, and ice
protection systems (IPS) on fixed-wing unmanned aerial vehicles (UAVs). The motivation for …

[HTML][HTML] A Review of Icing Research and Development of Icing Mitigation Techniques for Fixed-Wing UAVs

L Zhou, X Yi, Q Liu - Drones, 2023 - mdpi.com
With the continuous expansion of Unmanned Aerial Vehicle (UAV) applications, the threat of
icing on UAV flights has garnered increased attention. Understanding the icing principles …

UAV icing: experimental investigation of ice shedding times with an electrothermal de-icing system

J Wallisch, R Hann - AIAA AVIATION 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3905. vid Icing encounters can
reduce the aerodynamic performance of aircraft significantly. To protect aircraft against the …