John B. Rekstad

Professor emeritus - Nuclear Physics
Image of John B. Rekstad
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Phone +47 22856475
Mobile phone +47 905 85 390
Room FV104
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Visiting address 0371 Oslo Sem Sælandsvei 26 Fysikkbygningen
Postal address N-0316 Oslo PO Box 1048 Blindern Norway

 

Tags: Nuclear physics, Solar Energy, Energy

Publications

  • Steffen, Ronald; Meir, Michaela Georgine; Rekstad, John Bernhard & Röder, Beate (2018). Kinetics of degradation-induced polymer luminescence: A polyphenylene sulfide/elastomer blend under dry heat exposure. Polymer. ISSN 0032-3861. 136, p. 71–83. doi: 10.1016/j.polymer.2017.12.045.
  • Steffen, Robert; Wallner, Gernot; Rekstad, John Bernhard & Röder, Beate (2016). General characteristics of photoluminescence from dry heat aged polymeric materials. Polymer degradation and stability. ISSN 0141-3910. 134, p. 49–59. doi: 10.1016/j.polymdegradstab.2016.09.032.
  • Carlsson, Bo; Meir, Michaela Georgine; Rekstad, John Bernhard; Preiss, Dieter & Thomas, Ramschak (2016). Replacing traditional materials with polymeric materials in solar thermosiphon systems – Case study on pros and cons based on a total cost accounting approach. Solar Energy. ISSN 0038-092X. 125, p. 294–306. doi: 10.1016/j.solener.2015.12.005.
  • Rekstad, John Bernhard; Meir, Michaela Georgine; Murtnes, Espen & Dursun, Aylin Maria (2015). A comparison of the energy consumption in two passive houses, one with a solar heating system and one with an air-water heat pump. Energy and Buildings. ISSN 0378-7788. 96, p. 149–161. doi: 10.1016/j.enbuild.2015.02.059.
  • Carlsson, Bo; Persson, Helena; Meir, Michaela Georgine & Rekstad, John Bernhard (2014). A total cost perspective on use of polymeric materials in solar collectors – Importance of environmental performance on suitability. Applied Energy. ISSN 0306-2619. 125, p. 10–20. doi: 10.1016/j.apenergy.2014.03.027.
  • Meir, Michaela Georgine; Murtnes, Espen; Dursun, Aylin Maria & Rekstad, John Bernhard (2014). Polymeric collectors or Heat Pump? Lessons learned from passive houses in Oslo. Energy Procedia. ISSN 1876-6102. 48C, p. 914–923. doi: 10.1016/j.egypro.2014.02.105.
  • Seljom, Pernille Merethe; Rosenberg, Eva; Fidje, Audun; Haugen, Jan Erik; Meir, Michaela Georgine & Rekstad, John Bernhard [Show all 7 contributors for this article] (2011). Modelling the effects of climate change on the energy system—A case study of Norway. Energy Policy. ISSN 0301-4215. 39(11), p. 7310–7321. doi: 10.1016/j.enpol.2011.08.054.
  • Larsen, Ann-Cecilie; Guttormsen, Magne Sveen; Krticka, Milan; Betak, Emil; Bürger, Alexander & Görgen, Andreas [Show all 14 contributors for this article] (2011). Analysis of possible systematic errors in the Oslo method. Physical Review C. Nuclear Physics. ISSN 0556-2813. 83. doi: 10.1103/PhysRevC.83.034315.
  • Larsen, Ann-Cecilie; Goriely, Stephane; Algin, Emel; Agvaanluvsan, Undraa; Bürger, Annetta & Görgen, Andreas [Show all 22 contributors for this article] (2011). Gamma-ray strength functions and their relation to astrophysics. AIP Conference Proceedings. ISSN 0094-243X. 1377, p. 239–246. doi: 10.1063/1.3628386.
  • Kahlen, Susanne; Wallner, Gernot; Lang, R.W.; Meir, Michaela Georgine & Rekstad, John Bernhard (2010). Aging behavior of polymeric solar absorber materials: Aging on the component level. Solar Energy. ISSN 0038-092X. 84(3), p. 459–465. doi: 10.1016/j.solener.2010.01.003.
  • Olivares, A; Rekstad, John Bernhard; Meir, Michaela Georgine; Kahlen, Susanne & Wallner, Gernot (2010). Degradation model for an extruded polymeric solar thermal absorber. Solar Energy Materials and Solar Cells. ISSN 0927-0248. 94(6), p. 1031–1037. doi: 10.1016/j.solmat.2010.02.001.
  • Siem, Sunniva; Agvaanluvsan, Undraa; Bürger, Alexander; Guttormsen, Magne Sveen; Larsen, Ann-Cecilie & Nyhus, Hilde-Therese [Show all 11 contributors for this article] (2009). Level densities and radiative strength functions. AIP Conference Proceedings. ISSN 0094-243X. 1090, p. 66–73. doi: 10.1063/1.3087125.
  • Syed, Naeem Ul Hasan; Guttormsen, Magne Sveen; Ingebretsen, Finn; Larsen, Ann-Cecilie; Lonnroth, T & Rekstad, John Bernhard [Show all 9 contributors for this article] (2009). Level density and gamma-decay properties of closed shell Pb nuclei. Physical Review C. Nuclear Physics. ISSN 0556-2813. 79(2). doi: 10.1103/PhysRevC.79.024316.
  • Olivares, Lopez Andres F; Rekstad, John Bernhard; Meir, Michaela Georgine; Kahlen, Susanne & Wallner, Gernot (2008). A test procedure for extruded polymeric solar thermal absorbers. Solar Energy Materials and Solar Cells. ISSN 0927-0248. 92(4), p. 445–452. doi: 10.1016/j.solmat.2007.10.006.
  • Algin, Emel; Agvaanluvsan, Undraa; Guttormsen, Magne Sveen; Larsen, Ann-Cecilie; Mitchell, Gary & Rekstad, John Bernhard [Show all 9 contributors for this article] (2008). Thermodynamic properties of 56,57Fe. Physical Review C. Nuclear Physics. ISSN 0556-2813. C78(054321).
  • Siem, Sunniva; Guttormsen, Magne Sveen; Chankova, Rositsa; Larsen, Ann-Cecilie; Rekstad, John Bernhard & Syed, Naeem Ul Hasan [Show all 11 contributors for this article] (2008). Experimental Level densities and gamma-strength functions in rare earth nuclei. AIP Conference Proceedings. ISSN 0094-243X. 1005.
  • Larsen, Ann-Cecilie; Guttormsen, Magne Sveen; Chankova, Rositsa; Ingebretsen, Finn; Lönnroth, Tom & Rekstad, John Bernhard [Show all 11 contributors for this article] (2008). Experimental nuclear level densities and gamma-ray strength functions in Sc and V isotopes. AIP Conference Proceedings. ISSN 0094-243X. 1005, p. 70–73.
  • Guttormsen, Magne Sveen; Larsen, Ann-Cecilie; Rekstad, John Bernhard; Schiller, Andreas; Siem, Sunniva & Syed, Naeem Ul Hasan [Show all 7 contributors for this article] (2008). Thermodynamic properties of atomic nuclei with T<1 MeV. AIP Conference Proceedings. ISSN 0094-243X. 1012, p. 198–202.
  • Larsen, Ann-Cecilie; Guttormsen, Magne Sveen; Chankova, Rositsa; Ingebretsen, Finn; Lönnroth, Tom & Rekstad, John Bernhard [Show all 11 contributors for this article] (2008). Puzzling gamma-ray strength functions in 44,45Sc and 50,51V. AIP Conference Proceedings. ISSN 0094-243X. p. 380–382.
  • Siem, Sunniva; Guttormsen, Magne Sveen; Chankova, Rositsa; Larsen, Ann-Cecilie; Nyhus, Hilde-Therese & Rekstad, John Bernhard [Show all 9 contributors for this article] (2008). Level densities and gamma-strength functions in Sm isotopes. AIP Conference Proceedings. ISSN 0094-243X. p. 425–427.
  • Larsen, Ann-Cecilie; Guttormsen, Magne; Chankova, Rosita; Ingebretsen, Finn; Lönnroth, Tom & Messelt, Svein [Show all 11 contributors for this article] (2007). Radiative strength functions of warm nuclei in the 1f(7/2) shell. Acta Physica Polonica B. ISSN 0587-4254. 38(4), p. 1495–1498.
  • Guttormsen, Magne; Chankova, Rosita; Larsen, Ann-Cecilie; Rekstad, John Bernhard; Siem, Sunniva & Syed, Naeem Ul Hasan [Show all 9 contributors for this article] (2007). The role of broken cooper pairs in warm nuclei. Acta Physica Polonica B. ISSN 0587-4254. 38(4), p. 1489–1493.
  • Siem, Sunniva; Guttormsen, Magne; Chankova, Rosita; Larsen, Ann-Cecilie; Rekstad, John Bernhard & Schiller, Andreas [Show all 7 contributors for this article] (2007). Level densities and gamma strength functions in Sm-146,Sm-147 nuclei. Acta Physica Polonica B. ISSN 0587-4254. 38(4), p. 1499–1502.
  • Algin, E; Schiller, A; Voinov, A; Agvaanluvsan, U; Belgya, T & Bernstein, LA [Show all 19 contributors for this article] (2007). Bulk properties of iron isotopes. Physics of Atomic Nuclei. ISSN 1063-7788. 70, p. 1634–1639. doi: 10.1134/S1063778807090232.
  • Larsen, Ann-Cecilie; Guttormsen, Magne Sveen; Chankova, Rositsa; Ingebretsen, Finn; Lönnroth, Tom & Messelt, Svein [Show all 11 contributors for this article] (2007). Nuclear level densities and gamma-ray strength functions in Sc-44,Sc-45. Physical Review C. Nuclear Physics. ISSN 0556-2813. doi: 10.1103/PhysRevC.76.044303.
  • Schiller, Andreas; Voinov, Alexander; Algin, Emel; Becker, J.A.; Bernstein, Lee & Garrett, P.E. [Show all 10 contributors for this article] (2006). Low-energy M1 excitation mode in 172Yb. Physics Letters B. ISSN 0370-2693. B633, p. 225–230.
  • Chankova, Rositsa; Schiller, A; Agvaanluvsan, U; Algin, E; Bernstein, LA & Guttormsen, Magne [Show all 14 contributors for this article] (2006). Level densities and thermodynamical quantities of heated Mo93-98 isotopes. Physical Review C. Nuclear Physics. ISSN 0556-2813. 73.
  • Larsen, Ann-Cecilie; Chankova, Rositsa; Guttormsen, Magne; Ingebretsen, Finn; Messelt, Svein & Rekstad, John Bernhard [Show all 11 contributors for this article] (2006). Microcanonical entropies and radiative strength functions of 50,51V. Physical Review C. Nuclear Physics. ISSN 0556-2813. 73. doi: 10.1103/PhysRevC.73.064301.
  • Sandnes, Bjørnar & Rekstad, John Bernhard (2006). Supercooling salt hydrates: Stored enthalpy as a function of temperature. Solar Energy. ISSN 0038-092X. 80, p. 616–625.
  • Voinov, Alexander; Grimes, S.M.; Agvaanluvsan, Undraa; Algin, Emel; Belgya, Thomas & Brune, C.R. [Show all 13 contributors for this article] (2006). Level densities of iron isotopes and low-energy enhancement of gamma-strength function. AIP Conference Proceedings. ISSN 0094-243X. 819, p. 545–549.
  • Voinov, Alexander; Grimes, S.M.; Agvaanluvsan, Undraa; Algin, Emel; Belgya, Thomas & Brune, C.R. [Show all 13 contributors for this article] (2006). Level density of 56Fe and low-energy enhancement of gamma-strength function. Physical Review C. Nuclear Physics. ISSN 0556-2813. 74.
  • Kaneko, K.; Hasegawa, M.; Agvaanluvsan, Undraa; Algin, Emel; Chankova, Rositsa & Guttormsen, Magne [Show all 12 contributors for this article] (2006). Breaking of nucleon Cooper pairs at finite temperature in 93-98Mo. Physical Review C. Nuclear Physics. ISSN 0556-2813. 74.
  • Schiller, A; Voinov, AV; Algin, E; Bernstein, LA; Garrett, PE & Guttormsen, Magne [Show all 9 contributors for this article] (2006). Primary versus secondary gamma intensities in Yb-171(n(th), gamma). Physical Review C. Nuclear Physics. ISSN 0556-2813. 74.
  • Guttormsen, Magne; Agvaanluvsan, Undraa; Chankova, Rositsa; Hjorth-Jensen, Morten; Rekstad, John Bernhard & Schiller, Andreas [Show all 10 contributors for this article] (2006). Single particle entropy in heated nuclei. AIP Conference Proceedings. ISSN 0094-243X. 831, p. 162–166.
  • Larsen, Ann-Cecilie; Guttormsen, Magne; Chankova, Rositsa; Ingebretsen, Finn; Lønnroth, Tom & Messelt, Svein [Show all 11 contributors for this article] (2006). Heating nuclei in the mass region of A = 40-50. AIP Conference Proceedings. ISSN 0094-243X. 831, p. 544–547.
  • Syed, Naeem Ul Hasan; Guttormsen, Magne; Siem, Sunniva; Ingebretsen, Finn; Lønnroth, Tom & Rekstad, John Bernhard [Show all 9 contributors for this article] (2006). Extracting experimental level densities in A=207-208 Nuclei. AIP Conference Proceedings. ISSN 0094-243X. 831, p. 548–550.
  • Guttormsen, Magne; Agvaanluvsan, Undraa; Chankova, Rositsa; Larsen, Ann-Cecilie; Rekstad, John Bernhard & Schiller, Andreas [Show all 9 contributors for this article] (2006). Experimental nuclear level densities and interpretation within the microcanonical ensemble. Proceedings of Science (PoS). ISSN 1824-8039.

View all works in Cristin

  • Rekstad, John Bernhard; Ingvild, Skjelland; De Meersman, Els; Yves, Klinger & Meir, Michaela Georgine (2016). Auf dem Sonnendach - Modifizierte Hochleistungskunststoffe zur Extrusion von Solarthermie Anwendungen. Kunststoffe. ISSN 0023-5563. 2, p. 77–79.
  • Meir, Michaela Georgine; Carlsson, Bo & Rekstad, John Bernhard (2013). Life-cycle assessment of polymeric thermosiphon collectors.
  • Meir, Michaela Georgine; Rekstad, John Bernhard; Dursun, Aylin Maria & Murtnes, Espen (2013). Polymeric solar collectors or heat pump? - Lessons learned from passive houses in Oslo.
  • Larsen, Ann-Cecilie; Bürger, Alexander; Eriksen, Tomas Kvalheim; Görgen, Andreas; Guttormsen, Magne Sveen & Hagen, Trine Wiborg [Show all 29 contributors for this article] (2011). Experiments of reaction model inputs: level density and gamma strength.
  • Larsen, Ann-Cecilie; Guttormsen, Magne Sveen; Bürger, Alexander; Eriksen, Tomas Kvalheim; Görgen, Andreas & Hagen, Trine Wiborg [Show all 16 contributors for this article] (2011). Level density and gamma strength - achievements and challenges.
  • Rekstad, John Bernhard (2010). Polymeric solar collectors. [Internet]. SolarThermal World.
  • Rekstad, John Bernhard (2010). Solar energy R&D in Norway. [Internet]. SolarThermal World.
  • Rekstad, John Bernhard (2010). Solar collector, recent development.
  • Rekstad, John Bernhard (2010). Progress report, solar thermal collectors.
  • Rekstad, John Bernhard (2010). New solar collectors in polymer materials.
  • Rekstad, John Bernhard (2010). Solar Collector Absorbers in High-performance Polymer Materials.
  • Berset, Simone Prytz & Rekstad, John Bernhard (2009). Uutnyttet potensial - Individuell måling av fjernvarme har et stort enøk-potensial. [Newspaper]. Magazin: Norsk VVS.
  • Rekstad, John Bernhard & Nylund, Hilde Kari (2009). Polymerer er framtida. [Newspaper]. Magazin: Norsk VVS.
  • Rekstad, John Bernhard & Kongsnes, Ellen (2009). Norge har jumboplass på solenergi. [Newspaper]. Stavanger Aftenbladet.
  • Rekstad, John Bernhard & Borgestrand, Odd (2009). Fornybar energi. [Newspaper]. VVS aktuelt.
  • Rekstad, John Bernhard (2009). Polymer Materials for Solar Thermal Applications.
  • Rekstad, John Bernhard (2009). Update of research: University of Oslo and Aventa.
  • Rekstad, John Bernhard (2009). Solar thermal R&D at the University of Oslo.
  • Rekstad, John Bernhard (2009). Solar thermal R&D at UiO.
  • Rekstad, John Bernhard (2009). Solar heat - of interest in Norway?
  • Rekstad, John Bernhard (2009). ESFRI Energy WR, Roadmap for large research infrastructures in Europe.
  • Rekstad, John Bernhard (2009). Solenergi.
  • Rekstad, John Bernhard (2009). Energibruk i bygg. Hva kan sola bidra med?
  • Rekstad, John Bernhard (2009). Solenergi - den største potensielle energikilden.
  • Rekstad, John Bernhard (2009). Solar collectors in polymer materials.
  • Rekstad, John Bernhard (2009). Om solenergi.
  • Rekstad, John Bernhard (2009). Solenergi - en kilde i våre hender.
  • Rekstad, John Bernhard (2008). Fang sol og spar strøm. [Newspaper]. VG.
  • Rekstad, John Bernhard (2008). Mot 100% vekst for solstrøm. [Newspaper]. Elektro Energiteknikk.
  • Rekstad, John Bernhard (2008). Oppvarmet med kosmisk energi. [Newspaper]. Folkevett no 5, 2008.
  • Meir, Michaela Georgine & Rekstad, John Bernhard (2008). IEA-SHC Task 39: Polymeric solar thermal Collectors - State of the Art.
  • Meir, Michaela Georgine; Rekstad, John Bernhard; Gjessing, Jo & Rumler, Nele (2008). Overheating protection of polymeric solar collectors by triggered ventilation.
  • Rekstad, John Bernhard (2008). Utarbeidelse av ny "ESFRI Roadmap for Large Reserach Infrastructures" i Europa.
  • Rekstad, John Bernhard (2008). Progress report, solar energy research.
  • Rekstad, John Bernhard (2008). Results from solar thermal energy reserach at the University of Oslo.
  • Rekstad, John Bernhard (2008). "All polymer" solar collectors for medium temperature applications.
  • Rekstad, John Bernhard (2008). Polymers in Solar Systems.
  • Rekstad, John Bernhard (2008). Næringslivets kompetansebehov innen solenergi.
  • Rekstad, John Bernhard (2008). Solenergi og klima.
  • Rekstad, John Bernhard (2008). Solar Energy.
  • Rekstad, John Bernhard (2008). Om solenergi.
  • Rekstad, John Bernhard (2008). Fornybare energikilder - tema solenergi.
  • Rekstad, John Bernhard (2008). Sola som energigiver. Praktisk utnyttelse av solenergi.
  • Rekstad, John Bernhard (2008). Finnes løsningen på energiutfordringene i kjernefysikken ?
  • Rekstad, John Bernhard (2008). Utnyttelse av varmestråling - varme og kulde fra solstråling.
  • Rekstad, John Bernhard (2008). Solvarme, demonstrasjon av fungerende solvarmesystem.
  • Rekstad, John Bernhard (2008). Eneregi, tjenester, komfort.
  • Rekstad, John Bernhard (2008). Termisk solenergi i større bygninger.
  • Rekstad, John Bernhard (2008). Forskning og utvikling innen termisk solenergi.
  • Rekstad, John Bernhard (2008). Nye energiløsninger.
  • Rekstad, John Bernhard (2008). Energisituasjonen - trusler og muligheter.
  • Meir, Michaela Georgine; Rekstad, John Bernhard & Meek, Frode (2007). Energimålinger i boligene i Bjørnveien 119. Arkitektur N. ISSN 1504-7628.
  • Siem, Sunniva; Guttormsen, Magne Sveen; Chankova, Rositsa; Larsen, Ann-Cecilie; Rekstad, John Bernhard & Syed, Naeem Ul Hasan [Show all 9 contributors for this article] (2007). Level densities and gamma-strength functions in rare earth nuclei.
  • Rekstad, John Bernhard (2007). Polymers from a market perspective, ideas for future development.
  • Rekstad, John Bernhard (2007). Energy Physics - Solar Energy.
  • Rekstad, John Bernhard (2007). Innovative solar thermal systems in Norway.
  • Rekstad, John Bernhard; Meir, Michaela Georgine; Olivares, Lopez Andres F & Gjessing, Jo (2007). Polymeric materials in solar collectors.
  • Larsen, Ann-Cecilie; Chankova, Rositsa; Guttormsen, Magne Sveen; Ingebretsen, Finn; Lönnroth, Tom & Messelt, Svein [Show all 11 contributors for this article] (2007). Puzzling gamma-ray strength functions in 44,45Sc and 50,51V.
  • Rekstad, John Bernhard (2007). Termisk solenergi, energibruk i bygg, vannbårne varme- og kjølesystemer.
  • Rekstad, John Bernhard & Meir, Michaela Georgine (2006). Disse husene varmes opp av sola. [Newspaper]. Bonytt .
  • Dursun, Aylin Maria; Rekstad, John Bernhard & Meir, Michaela Georgine (2013). Natural circulating flat plate collectors - Investigations of a new material and performance simulations. Universitetet i Oslo.
  • Lòpez, Andres Franklin Olivares; Rekstad, John Bernhard & Meir, Michaela Georgine (2008). Service life estimation for a polymeric solar absorber. Unipub forlag. ISSN 1501-7710.
  • Kristoffersen, Astrid Rusås; Rekstad, John Bernhard & Aurlien, Tormod (2006). Heat and mass transfer in buildings. Unipub forlag.

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Published Nov. 4, 2010 12:33 PM - Last modified Mar. 2, 2016 2:05 PM

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