Google scholar publication statistics
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
2021 | Hann, R., Enache, A., Nielsen, M.C., Stovner, B.N., van Beeck, J., Johansen, T.A., Borup, K.T. (2021). Experimental Heat Loads for Electrothermal Anti-Icing and De-Icing on UAVs. Aerospace, 8(3), 83. DOI: 10.3390/aerospace8030083 |
Hann, R., Altstädter, B., Betlem, P., Deja, K., Dragańska-Deja K., Ewertowski, M., Hartvich, F., Jonassen, M., Lampert, A., Laska, M., Sobota, I., Storvold, R., Tomczyk, A., Wojtysiak, K. Zagórski P. (2021). Scientific Applications of Unmanned Vehicles in Svalbard. SESS Report 2020, Svalbard Integrated Arctic Earth Observing System. DOI: 10.5281/zenodo.4293283 | |
Jawak, S.D., Andersen, B.N., Pohjola, V., Godøy, Ø., Hübner, C., Jennings, I., Ignatiuk, D., Holmen, K., Sivertsen, A., Hann, R., Tømmervik, H., Kääb, A., Błaszczyk, M., Salzano, R., Luks, B., Høgda, K., Storvold, R., Nilsen, L., Salvatori, R., Krishnan, K.P., Chatterjee, S., Lorentzen, D.A., Erlandsson, R., Lauknes, T.R., Malnes, E., Karlsen, S.R., Enomoto, H., Fjæraa, A.M., Zhang, J., Marty, S., Nygård, K.O., Lihavainen, H. (2021). SIOS’s Earth Observation (EO), Remote Sensing (RS), and operational activities in response to COVID-19. Remote Sensing, 13(4), 712. DOI: 10.3390/rs13040712 | |
2020 | Hann, R., Johansen, T.A. (2020). Unsettled Topics in Unmanned Aerial Vehicle Icing. SAE International, SAE EDGE Research Report EPR2020008. DOI: 10.4271/EPR2020008 |
Hermanson, M.H., Isaksson E., Hann R., Teixeira C.F., Muir D.C.G. (2020). Deposition of Polychlorinated Biphenyls to Firn and Ice Cores at Opposite Polar Sites: Site M, Dronning Maud Land, Antarctica, and Holtedahlfonna, Svalbard. ACS Earth and Space Chemistry 4 (11), pp. 2096-2104. DOI: 10.1021/acsearthspacechem.0c00227 | |
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 | |
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). DOI: 10.1109/ICUAS48674.2020.9214054 | |
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 |
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. DOI: 10.1260/1475-472X.14.5-6.675 |
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). Applications of Unmanned Aerial Vehicles in Svalbard. Arctic Change conference. |
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, Deutscher Luft- und Raumfahrtkongress (DLRK). | |
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 simulations. Winterwind 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 turbines. Winterwind 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