Torbjørn Helle

Professor Department of Chemical Engineering
+47 73594031
Høgskoleringen 6B, PFI * 2112

Background and activities

Scientific, academic and artistic work

A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database

Journal publications

  • Helle, Torbjørn. (2015) Paper and the history of printing. IPH Paper History. vol. 19 (2).
  • Helle, Torbjørn. (2015) Papiret og trykkehistorien. Nordisk pappershistorisk tidskrift. vol. 2.
  • Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2014) Discrete element modeling of brittle crack roughness in three dimensions. Frontiers of Physics. vol. 2.
  • Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2007) Effects of buckling on crack propagaton in paper - A stochastic modelling experiment. Appita journal.
  • Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2007) Scaling behaviour of damage in the fracture of two-dimensional elastic beam lattices. Europhysics letters. vol. 80.
  • Helle, Torbjørn. (2005) Massefabrikken i Aracruz, del 1 : Utviklingstrekk gjennom 25 år. Et blikk inn i fremtiden ?. Skogindustri.
  • Helle, Torbjørn. (2005) Massefabrikken i Aracruz, del 2 : Utviklingen av masse-egenskapene i forhold til sluttproduktet : Jakten på den optimale massen. Skogindustri.
  • Furuheim, Knut Magne; Axelson, David E.; Anthonsen, Henrik; Helle, Torbjørn. (2004) Phase Structural Analyses of Polyethylene Coatings on High-Density Papers by 13C CP-MAS Solid State High Resolution NMR. Part 3. Determinations of the Crystallite Thickness by T1-Measurements. Journal of Applied Polymer Science. vol. 91.
  • Furuheim, Knut Magne; Axelson, David E.; Anthonsen, Henrik; Helle, Torbjørn. (2004) Phase Structural Analyses of Polyethylene Extrusion Coatings on High-Density Papers. Part 2. Influence of Paper Surface Properties on the Polyethylene Morphology. Journal of Applied Polymer Science. vol. 91.
  • Furuheim, Knut Magne; Axelson, David E.; Anthonsen, Henrik; Helle, Torbjørn. (2004) Phase Structural Analyses of Polyethylene Extrusion Coatings on High-Density Papers. Part I. Monoclinic Crystallinity. Journal of Applied Polymer Science. vol. 91.
  • Furuheim, Knut Magne; Axelson, David E.; Antonsen, Henrik W.; Helle, Torbjørn. (2004) Phase Structural Analyses of Polyethylene Coatings on Hig-Density Papers. III. Determination of the Crystallite Thicknesses by T1 Measurements. Journal of Applied Polymer Science. vol. 91.
  • Furuheim, Knut Magne; Axelson, David E.; Antonsen, Henrik W.; Helle, Torbjørn. (2004) Phase Structural Analyses of Polyethylene Extrusion Coatings on High-Density Papers. II. Influence of Paper Surface Properties on the Polyethylene Morphology. Journal of Applied Polymer Science. vol. 91.
  • Furuheim, Knut Magne; Axelson, David E.; Antonsen, Henrik W.; Helle, Torbjørn. (2004) Phase Structural analyses of Polyethylene Extrusion Coatings on High-Density Papers. I. Monoclinic Crystallinity. Journal of Applied Polymer Science. vol. 91.
  • Chinga, Gary; Helle, Torbjørn. (2003) Relationships Between the Coating Surface Structural Variation and Print Quality. Journal of Pulp and Paper Science. vol. 29.
  • Chinga, Gary; Helle, Torbjørn. (2003) Three-Dimensional Reconstruction of a Coating Layer Structure. Journal of Pulp and Paper Science. vol. 29 (4).
  • Furuheim, Knut Magne; Axelson, David E.; Helle, Torbjørn. (2003) Oxygen barrier mechanisms of polyethylene extrusion coated high-density papers. Nordic Pulp & Paper Research Journal. vol. 18.
  • Holmstad, Rune; Antoine, Christine; Nygård, Per; Helle, Torbjørn. (2003) Quantification of the three-dimensional paper structure: Methods and potential. Pulp & paper Canada. vol. 104:7.
  • Chinga, Gary; Helle, Torbjørn. (2002) Quantification of structure details of LWC paper coating layers. Nordic Pulp & Paper Research Journal. vol. 17 (no.3/2002).
  • Chinga, Gary; Helle, Torbjørn. (2002) Structure characterisation of pigment coating layer on paper by scanning electron microscopy and image analysis. Nordic Pulp & Paper Research Journal. vol. 17 (no. 3/2002).
  • Reme, Philip André; Johnsen, Per Olav; Helle, Torbjørn. (2002) Assessment of Fibre Transverse Dimensions using SEM and Image Analysis. Journal of Pulp and Paper Science. vol. 28.