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
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2019 |
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2013 |
PhD
Thesis
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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
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2020 |
Hann, R., Johansen, T.A. (2020). Unsettled Topics in Unmanned
Aerial Vehicle Icing. SAE International, SAE EDGE Research Report EPR2020008. |
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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 |
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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 |
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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 |
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Hann, R., Hearst, R.J., Sćtran, 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 |
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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 |
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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). |
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2019 |
Hann, R., Hermanson, M. (2019). Derivation of flow rate and calibration
method for high-volume air samplers. Atmospheric Measurement Techniques, 12(9),
4725-4731. DOI: 10.5194/amt-12-4725-2019 |
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Hann,
R. (2019). UAV Icing: Ice Accretion
Experiments and Validation. SAE Technical Paper. No. 2019-01-2037. DOI: 10.4271/2019-01-2037 |
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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 |
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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 |
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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 |
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Hann, R. (2019). UAV Icing: Comparison of LEWICE and
FENSAP-ICE for Anti-Icing Loads. AIAA Scitech Forum. DOI: 10.2514/6.2019-1286 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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. |
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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. |
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Hann, R., (2013). Aeroakustische Analyse Vereister Profile
einer Windenergieanlage. Diplomarbeit/ Final-year thesis. University of
Stuttgart. |
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2012 |
Hann, R., (2012). Thermische Untersuchng der Eisbildung und
des Anti-Icings an einem Rotorblatt für Windenergieanlangen.
Studienarbeit/thesis. University of Stuttgart. |
Conference
Presentations
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2020 |
Hann, R. (2020). Overview of Unsettled Topics in UAV Icing. SAE
International AeroTech Digital Summit. |
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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. |
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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. |
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Hann, R. (2020). Icing on UAVs. Invited talk to the Advanced Modeling & Simulation (AMS) Seminar Series at the
National Aeronautics and Space Administration (NASA). |
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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. |
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Hann, R. (2020). Opportunities and
Challenges for Unmanned Aerial Vehicles (UAVs) in the Arctic. SIOS Polar Night Week
Conference. |
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2019 |
Hann, R., Hodson, A., Jonassen, M. (2019). Glacier Mapping and Wind
Estimation with UAVs on Svalbard. Svalbard Science Conference. |
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Hann, R. (2019). Unmanned Aerial Vehicles (UAVs) in
Cold Climate and Wind Energy Applications. Winterwind
Conference. |
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2018 |
Hann, R. (2018). Icing
Protection Systems for UAVs in the Arctic. Arctic Change conference. |
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Hann, R. (2018). Wind Turbine Noise due to Icing. Wind Turbine
Icing & Ice Prevention Forum |
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Hann, R. (2018). Icing on Unmanned Aerial Vehicles (UAVs). Wind
Turbine Icing & Ice Prevention Forum |
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2017 |
Krřgenes,
J., Brandrud, L., Hann, R., Bartl,
J., Bracchi, T., & Sćtran, L. (2017). Aerodynamic performance of the NREL S826
airfoil in icing conditions. Wind Energy Science Discussions, 1-17. |
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Hann, R., Veshniakova, L., Romero, M., Cicilio,
P.R. (2017). Cold
Climate Wind Energy in Longyearbyen, 78°N. Arctic Change conference. |
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2016 |
Hann, R. (2016). Applications of
iced wind turbines noise simulations. Winterwind
Conference. |
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2014 |
Hann, R. (2014). Simulation and validation of the
aerodynamic performance of iced wind turbine airfoils. Winterwind
Conference. |
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2012 |
Hann, R., Neumann, S. O., Miller, A., &
Dillingh, J. (2012). Thermal analysis of a
heated rotor blade for wind turbines. Winterwind
Conference. |
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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 Lřes 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
Krřgenes, 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
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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)
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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