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Johannes Falnes

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Johannes Falnes
Born15 December 1931
Skudenes, Norway
Died2 June 2024
Trondheim, Norway
NationalityNorwegian
CitizenshipNorwegian
Alma materNorwegian Institute of Technology
Scientific career
FieldsExperimental physics
Wave energy
InstitutionsNorwegian University of Science and Technology

Johannes Falnes (1931–2024) was a Professor Emeritus of Experimental Physics at the Department of Physics of the Norwegian University of Science and Technology noted for his contributions to wave energy research. He was one of the pioneers of modern wave energy research.

Education

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Falnes received his master's and doctoral degrees both from the Norwegian Institute of Technology.[1]

Career

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Falnes spent his career at the Norwegian Institute of Technology (1956–1959), CERN (1959–1961), the University of Bergen (1961–1964), the Norwegian Institute of Technology/Norwegian University of Science and Technology (1965–2001), and SINTEF (1966–1972), before retiring in 2002.

Falnes' main research interest has been ocean wave energy and its utilisation. Together with Kjell Budal, he initiated wave energy research in Norway in the 1970s. Falnes and Budal discovered the so-called antenna effect, where a floating point absorber could theoretically absorb far more wave energy from the sea than that which is directly incident upon its geometry, analogous to a radio antenna's ability to absorb radio waves.[2] They also developed the latching control strategy to maximize energy extraction.[3]

In December 2006, a seminar titled Challenges for Wave Energy Technology was dedicated in tribute to Falnes on his 75th anniversary. The seminar was held in Trondheim, Norway. Wave energy experts such as Stephen Salter (University of Edinburgh), António Falcão (Instituto Superior Técnico), Alain Clément (École centrale de Nantes), and Richard Yemm (Ocean Power Delivery) addressed various topics in the seminar.[4]

Falnes is a member of The Royal Norwegian Society of Sciences and Letters[5] and the Norwegian Academy of Technological Sciences.[6]

Personal life

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Among his pastimes are hiking and cross-country skiing.[7]

Selected publications

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  • Budal, K. & Falnes, J. (1975), "A resonant point absorber of ocean-wave power", Nature, 256 (5517): 478–479, Bibcode:1975Natur.256..478B, doi:10.1038/256478a0, S2CID 4253462
  • Falnes, Johannes (2002). "Optimum Control of Oscillation of Wave-Energy Converters". International Journal of Offshore and Polar Engineering. 12 (4): 147–155.
  • Johannes Falnes (2002). Ocean Waves and Oscillating Systems. Cambridge University Press. ISBN 0-521-78211-2.
  • Falnes, Johannes (2007). "A review of wave-energy extraction". Marine Structures. 20 (4): 185–201. Bibcode:2007MaStr..20..185F. doi:10.1016/j.marstruc.2007.09.001.

References

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  1. ^ "Peaks and troughs of wave energy: the dreams and the reality – speaker biographies". royalsociety.org. Retrieved 24 October 2011.
  2. ^ "The economics and technology of taming Atlantic waves". waveenergy.ie. Retrieved 22 December 2009.
  3. ^ Drew, B.; Plummer, A. R.; Sahinkaya, M. N. (2009). "A review of wave energy converter technology". Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy. 223 (8): 887–902. Bibcode:2009PIMEA.223..887D. doi:10.1243/09576509JPE782. S2CID 17186882.
  4. ^ "Challenges for Wave Energy Technology". cesos.ntnu.no. Retrieved 22 December 2009.
  5. ^ "Akademimedlemmer, Fysikk" (in Norwegian). Royal Norwegian Society of Sciences and Letters. Archived from the original on 9 October 2016. Retrieved 20 July 2016.
  6. ^ "Medlemmer: FALNES, Johannes" (in Norwegian). Norwegian Academy of Technological Sciences. Retrieved 4 December 2012.
  7. ^ "Johannes Falnes". Retrieved 18 June 2024.
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