Dr. Richard Hann, Postdoc
Phone: +47 48 020 891

Mail: richard.hann@ntnu.no

 

Google scholar publication statistics
ORCID

 

Research Interests

-        Icing on Unmanned aerial vehicles (UAVs)

-        Computational fluid dynamics (CFD)

-        Cold climate wind energy

-        Drone applications in the Arctic

-        Atmospheric pollution & long-range transport processes

  

Media

-     Blog

-     NASA lecture on UAV icing (2020) link

-     Exploring the Hazards of Drone Icing (2019) link

-     Drones Help Reveal the Secret of Glacier Crevasses (2019) link

-     Icing on Drones and Wind Turbines (2019) link

-     How to Mesh a Frozen Drone (2020) link / link



 

 

Awards

2019

SAE Engineering Events Outstanding Oral Presentation Award

2013

Award by the Boysen Foundation for Outstanding Thesis

 

PhD Thesis

2020

Hann, R. (2020). Atmospheric Ice Accretions, Aerodynamic Icing Penalties, and Ice Protection Systems on Unmanned Aerial Vehicles. PhD Thesis NTNU2020:200, Norwegian University of Science and Technology.

 

Paper Publications

2020

Hann, R., Johansen, T.A. (2020). Unsettled Topics in Unmanned Aerial Vehicle Icing. SAE International, SAE EDGE Research Report EPR2020008.

 

Wallisch, J., Hann, R. (2020). Design of a Low-Speed Icing Wind Tunnel for UAVs. Deutsche Gesellschaft für Luft- und Raumfahrt. DOI: 10.25967/530188

 

Hermanson, M.H., Isaksson E., Hann R., Teixeira C.F., Muir D.C.G. (2020). Atmospheric deposition of organochlorine pesticides and industrial compounds to seasonal surface snow at four glacier sites on Svalbard, 2013-2014. Environmental Science & Technolgy, vol. 54, issue 15, pp. 9265–9273. DOI: 10.1021/acs.est.0c01537

 

Hovenburg, A. R., Andrade, F. A. A., Hann, R., Rodin, C. D., and Johansen, T. A., Storvold, R. (2020). Long range path planning using an aircraft performance model for battery powered sUAS equipped with icing protection system. IEEE Journal on Miniaturization for Air and Space Systems. DOI: 10.1109/JMASS.2020.3003833

 

Hann, R., Hearst, R.J., Sætran, L.R., Bacchi, T. (2020). Experimental and Numerical Icing Penalties of an S826 Airfoil at Low Reynolds Numbers. Aerospace, 7(4), 46. [Data] DOI: 10.3390/aerospace7040046

 

Hann, R., Enache, A., Nielsen, M.C., Stovner, B.N., Johansen, T.A., Borup, K.T. (2020). UAV Icing: Experimental Heat Loads for Electrothermal Anti-Icing and De-Icing. AIAA Atmospheric and Space Environments Conference. DOI: 10.2514/6.2020-2833

 

Narum, E.F.L., Hann, R., Johansen, T.A. (2020). Optimal Mission Planning for Fixed-Wing UAVs with Electro-Thermal Icing Protection and Hybrid-Electric Power Systems. International Conference on Unmanned Aircraft Systems (ICUAS) (accepted).

 

 

2019

Hann, R., Hermanson, M. (2019). Derivation of flow rate and calibration method for high-volume air samplersAtmospheric Measurement Techniques12(9), 4725-4731. DOI: 10.5194/amt-12-4725-2019

 

Hann, R. (2019). UAV Icing: Ice Accretion Experiments and Validation. SAE Technical Paper. No. 2019-01-2037. DOI: 10.4271/2019-01-2037

 

Hann, R., Borup, K., Zolich, A., Sorensen, K., Vestad, H., Steinert, M., & Johansen, T.A. (2019). Experimental Investigations of an Icing Protection System for UAVs. SAE Technical Paper. No. 2019-01-2038. DOI: 10.4271/2019-01-2038

 

Fajt, N., Hann, R., Lutz, T. (2019). The Influence of Meteorological Conditions on the Icing Performance Penalties on a UAV Airfoil. 8th European Conference for Aeronautics and Aerospace Sciences (EUCASS). DOI: 10.13009/EUCASS2019-240

 

Winter, A., Hann, R., Wenz, A., Gryte, K., & Johansen, T. A. (2019). Stability of a Flying Wing UAV in Icing Conditions. 8th European Conference for Aeronautics and Aerospace Sciences (EUCASS). DOI: 10.13009/EUCASS2019-906

 

Hann, R. (2019). UAV Icing: Comparison of LEWICE and FENSAP-ICE for Anti-Icing Loads. AIAA Scitech Forum. DOI: 10.2514/6.2019-1286

 

 

2018

Gryte, K., Hann, R., Alam, M., Roháč, J., Johansen, T. A., Fossen, T. I. (2018). Aerodynamic modeling of the skywalker x8 fixed-wing unmanned aerial vehicle. In 2018 International Conference on Unmanned Aircraft Systems (ICUAS) (pp. 826-835). IEEE. DOI: 10.1109/ICUAS.2018.8453370

 

Hann, R. (2018). UAV Icing: Comparison of LEWICE and FENSAP-ICE for Ice Accretion and Performance Degradation. AIAA Atmospheric and Space Environments Conference. DOI: 10.2514/6.2018-2861

 

 

2017

Hermanson, M.H., Hann, R., Johnson, G.W. (2017). Response to Comment on “Polychlorinated Biphenyls in Tree Bark near Former Manufacturing and Incinerator Facilities in Sauget, Illinois, United States”. Environ. Sci. Technol. 2017, 51, 8206−8207. DOI: 10.1021/acs.est.7b01688

 

Hann, R., Wenz, A., Gryte, K., & Johansen, T. A. (2017). Impact of atmospheric icing on UAV aerodynamic performance. In 2017 Workshop on Research, Education and Development of Unmanned Aerial Systems (RED-UAS) (pp. 66-71). IEEE. DOI: 10.1109/RED-UAS.2017.8101645

 

 

2016

Hermanson, M. H., Hann, R., & Johnson, G. W. (2016). Polychlorinated biphenyls in tree bark near former manufacturing and incineration facilities in Sauget, Illinois, United States. Environmental science & technology, 50(12), 6207-6215. DOI: 10.1021/acs.est.6b01053

 

 

2015

Lutz, T., Arnold, B., Bekiropoulos, D., Illg, J., Krämer, E., Wolf, A., Hann, R., Kamruzzaman, M. (2015). Prediction of flow-induced noise sources of wind turbines and application examples. International Journal of Aeroacoustics, 14(5-6), 675-714.

 

 

2013

Hann, R., Wolf, A., Bekiropoulos, D., Lutz, T., Krämer, E. (2013). Numerical investigation on the noise generation of iced wind turbine airfoils. Winterwind Conference.

 

Hann, R., (2013). Aeroakustische Analyse Vereister Profile einer Windenergieanlage. Diplomarbeit/ Final-year thesis. University of Stuttgart.

 

 

2012

Hann, R., (2012). Thermische Untersuchng der Eisbildung und des Anti-Icings an einem Rotorblatt für Windenergieanlangen. Studienarbeit/thesis. University of Stuttgart.

 

Conference Presentations

2020

Hann, R. (2020). Overview of Unsettled Topics in UAV Icing. SAE International AeroTech Digital Summit.

 

Müller, N., Hann, R., Lutz, T. (2020). The Influence of Meteorological Conditions on the Icing Performance Penalties on a UAV Propeller, Deutsche Luft- und Raumfahrtkongress.

 

Lindvall, J., Lee, L., Virk, M.S., Jin, J.Y., Lehtomäki, V., Hann, R., Revstedt, J. (2020). A CFD benchmark study of ice accretion on a wind turbine blade and a comparison to the ice accretion of a rotating blade cylinder model. Winterwind Conference.

 

Hann, R. (2020). Icing on UAVs. Invited talk to the Advanced Modeling & Simulation (AMS) Seminar Series at the National Aeronautics and Space Administration (NASA).

 

Hermanson, M.H., Isaksson, E., Hann, R., Teixeira, C., Muir, D.C.G. (2020). Deposition of polychlorinated biphenyls to ice cores at opposite polar sites: Holtedahlfonna, Svalbard and Site M, Antarctica. SETAC Europe 30th Annual Meeting.

Hann, R. (2020). Opportunities and Challenges for Unmanned Aerial Vehicles (UAVs) in the Arctic. SIOS Polar Night Week Conference.

 

 

2019

Hann, R., Hodson, A., Jonassen, M. (2019). Glacier Mapping and Wind Estimation with UAVs on Svalbard. Svalbard Science Conference.

 

Hann, R. (2019). Unmanned Aerial Vehicles (UAVs) in Cold Climate and Wind Energy Applications. Winterwind Conference.

 

 

2018

Hann, R. (2018). Icing Protection Systems for UAVs in the Arctic. Arctic Change conference.

 

Hann, R. (2018). Wind Turbine Noise due to Icing. Wind Turbine Icing & Ice Prevention Forum

 

Hann, R. (2018). Icing on Unmanned Aerial Vehicles (UAVs). Wind Turbine Icing & Ice Prevention Forum

 

 

2017

Krøgenes, J., Brandrud, L., Hann, R., Bartl, J., Bracchi, T., & Sætran, L. (2017). Aerodynamic performance of the NREL S826 airfoil in icing conditions. Wind Energy Science Discussions, 1-17.

 

Hann, R., Veshniakova, L., Romero, M., Cicilio, P.R. (2017). Cold Climate Wind Energy in Longyearbyen, 78°N. Arctic Change conference.

 

 

2016

Hann, R. (2016). Applications of iced wind turbines noise simulationsWinterwind Conference.

 

 

2014

Hann, R. (2014). Simulation and validation of the aerodynamic performance of iced wind turbine airfoils. Winterwind Conference.

 

 

2012

Hann, R., Neumann, S. O., Miller, A., & Dillingh, J. (2012). Thermal analysis of a heated rotor blade for wind turbinesWinterwind Conference.

 

 

 

Databases

·       Hann, R., Müller, N. (2020). Icing Validation Database. DataverseNO, Version 1. DOI: 10.18710/5XYALW

·       Hann, R., Wallisch, J. (2020). UAV Specification Database. DataverseNO, Version 1. DOI: 10.18710/L41IGQ

 

People

·       Johannes Oswald, Experimental and numerical investigations on a RG-15 UAV airfoil in icing conditions, 2020/21, Uni Stuttgart / von Karman Institute / NTNU, main supervisor.

·       Max Nüßle, Simulating atmospheric heat exchange of crevassed glaciers with CFD methods, 2020/21, Uni Stuttgart / UNIS / NTNU, main supervisor. 

·       Mikkel Tiller, Advanced path planning for UAVs in icing conditions, 2020/21, NTNU, co-supervisor.

·       Nicolas Carlo Müller, Simulation of Propeller Icing on a UAV, 2020, NTNU / Uni Stuttgart, main supervisor.

·       Armin Dachauer, Estimating aerodynamic surface roughness based on DEM on crevassed glaciers on Svalbard, 2020, UNIS / ETH Zürich, main supervisor.

·       Arthur Garreau, Validation and Application of Novel Wind Estimation Methods with Quadcopter UAVs in the Arctic, 2020, UNIS / École nationale de la météorologie (ENM), main supervisor.

·       Edvard Frimann Løes Narum, Mission planning for fixed-wing UAVs in wind and icing conditions, 2020, NTNU, co-supervisor.

·       Joachim Wallisch, Design of a low-speed icing wind tunnel for UAVs, 2020, NTNU / Uni Stuttgart, main supervisor.

·       Nicolas Fajt, The Influence of Meteorological Conditions on the Icing Performance Penalties on a UAV Airfoil, master thesis, 2019, NTNU / Uni Stuttgart, main supervisor.

·       Adrian Winter, Systems Identification, Flight Performance, and Control of a Fixed-Wing UAV in Icing Conditions, master thesis, 2019, NTNU / Uni Stuttgart, main supervisor.

·       Julie Krøgenes, Aerodynamic Performance of the NREL S826 Airfoil in Icing Conditions, master thesis, 2017, NTNU, co-supervisor.

·       Lovisa Brandrud, Aerodynamic Performance of the NREL S826 Airfoil in Icing Conditions, master thesis, 2017, NTNU, co-supervisor.

 

Lectures

·       TRST Terrestrial Remote Sensing Training, guest lecturer, Svalbard Integrated Earth Observing System SIOS, 2020

·       AMS Advanced Modeling & Simulation Seminar Series, guest speaker. National Aeronautics and Space Administration (NASA), 2020.

·       AGF-350/850 The Arctic Atmospheric Boundary Layer and Local Climate Processes, guest lecturer. University Centre in Svalbard (UNIS), 2020.

·       AG-204 The Physical Geography of Svalbard, guest lecturer. University Centre in Svalbard (UNIS), 2019.

·       TTK4 Unmanned Aerial Vehicles, guest lecturer. Norwegian University of Science and Technology (NTNU), 2018-2019.

·       AT-331/831 Arctic Environmental Pollution: Distribution and Processes, course responsible. University Centre in Svalbard (UNIS), 2017.

·       AT-331/831 Arctic Environmental Pollution: Distribution and Processes, guest lecturer. University Centre in Svalbard (UNIS), 2015-2016.

·       Workshop on using graphic calculators in aerospace engineering studies, course responsible. University of Stuttgart, 2012-2013.

 

Research Projects

·       D•ICE ROTORS – Protecting the unmanned aircraft industry, funded by Research Council of Norway (BIA) and UBIQ Aerospace

·       IKTPLUSS – Icing effects, detection and mitigation on unmanned aerial vehicles (UAVs)

·       1st AIAA Ice Prediction Workshop (IPW)

·       Aircraft Icing Technology – SAE Technical Committee (AC-9C)

·       NATO RTG AVT-299 – Assessment of Anti-Icing and De-Icing Technologies for Air and Sea Vehicles

·       UAV Crevasse – Using UAVs to investigate effects of crevasses upon glacier surface melting (RIS-ID 11148)

·       Arctic ABL Wind – Novel method for wind measurements in the arctic atmospheric boundary layer (RIS-ID 11372)

·       Center of Excellence, Autonomous Marine Operations and Systems (AMOS), 2013-2023. Funded by the Research Council of Norway, NTNU, Equinor, DNV GL and the Sintef Group.

·       NTNU Unmanned Aerial Vehicles Laboratory (UAV-lab).

·        Centre for integrated remote sensing and forecasting for arctic operations (CIRFA).

 

Norwegian University of Science and Technology (NTNU)

Autonomous Marine Operations and Systems (AMOS)
Department of Engineering Cybernetics (ITK)
Address: O.S. Bragstads plass 2D, NO7491 Trondheim, NORWAY