Jan-Erik Berg

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Background

Ph D, Research Engineer
Present research interests are within the area of mechanical pulping technology. One current topic is development of measurement techniques that with sufficiently high resolution describe the load distribution in refiner zones.

Exams
•2008 Doctor of Philosophy in the subject of Chemical Engineering
Mid Sweden University
•1997 Licentiate of Engineering in the subject of Paper Technology
Royal Institute of Technology, Sweden
•1982 Master of Science in Engineering, Engineering Physics
Royal Institute of Technology, Sweden

Publications

Articles in journals

Sandberg, C. , Berg, J. & Engstrand, P. (2017). Low consistency refining of mechanical pulp - system design. TAPPI Journal, vol. 16: 7, pp. 419-429.

Sandberg, C. , Berg, J. & Engstrand, P. (2017). Mill evaluation of an intensified mechanical pulping process. Nordic Pulp & Paper Research Journal, vol. 32: 2, pp. 204-210.    

Sandberg, C. , Berg, J. & Engstrand, P. (2017). Process intensification in mechanical pulping. Nordic Pulp & Paper Research Journal, vol. 32: 4, pp. 615-622.    

Gradin, P. , Berg, J. & Nyström, S. (2016). Measuring Tangential Forces in a Pulp Refiner : A Novel Approach. Experimental techniques (Westport, Conn.), vol. 40: 2, pp. 789-793.  

Sandberg, C. & Berg, J. (2015). Effect of flow recirculation on pulp quality and energy efficiency in low consistency refining of mechanical pulp. Nordic Pulp & Paper Research Journal, vol. 30: 2, pp. 230-233.  

Berg, J. , Sandberg, C. , Engberg, B. A. & Engstrand, P. (2015). Low-consistency refining of mechanical pulp in the light of forces on fibres. Nordic Pulp & Paper Research Journal, vol. 30: 2, pp. 225-229.    

Berg, J. , Gulliksson, M. E. & Gradin, P. A. (2009). On the energy consumption for crack development in fibre wall in disc refining - A micromechanical approach. Holzforschung, vol. 63: 2, pp. 204-210.  

Berg, J. (2001). Effect of impact velocity on the fracture of wood as related to the mechanical pulping process. Wood Science and Technology, vol. 35: 4, pp. 343-351.  

Berg, J. & Gradin, P. A. (2000). Effect of Temperature on Fracture of Spruce in Compression, Investigated by Use of Acoustic Emission Monitoring. Journal of Pulp and Paper Science (JPPS), vol. 26: 8, pp. 294-299.

Berg, J. & Gradin, P. A. (1999). A Micromechanical Model of the Deterioration of a Wood Fibre. Journal of Pulp and Paper Science, vol. 25: 2, pp. 66-71.

Gradin, P. A. , Johansson, O. , Berg, J. & Nyström, S. (1999). Measurement of the Power Distribution in a Single Disc Refiner. Journal of Pulp and Paper Science, vol. 25: 11, pp. 384-387.

Hagen, N. & Berg, J. (1989). Filtration theory as applied to the dimensioning of flat band washers. TAPPI Journal, vol. 72: 6, pp. 93-96.

Conference papers

Sandberg, C. , Engstrand, P. & Berg, J. (2016). System Aspects on Low Consistency Refining of Mechanical Pulp. In TAPPI 2016 International Mechanical Pulping Conference (IMPC).. pp. 485--495.

Berg, J. , Sandberg, C. , Engberg, B. & Engstrand, P. (2014). LC Refining Intensity In The Light Of Forces On Fibres. In International Mechanical Pulping Conference, IMPC 2014. Espoo :

Engberg, B. & Berg, J. (2011). A comparative study of models describing high consistency refining. In Proceedings of International Mechanical Pulping Conference.. pp. 96--100.

Gradin, P. , Berg, J. , Gulliksson, M. & Nyström, S. (2011). Measuring forces in a refiner plate gap. In Proceedings of International Mechanical Pulping Conference.. pp. 81--83.

Berg, J. & Gradin, P. A. (2009). Fibre wall crack development. In Proceedings - 2009 International Mechanical Pulping Conference, IMPC 2009. (SPCI meddelande). pp. 340--343.

Berg, J. & Gradin, P. (1995). Effect of Temperature on Fracture of Spruce in Compression Using Acoustic Emissions. In AECM-5, Fifth International Symposium on Acoustic Emission From Composite Material. Columbus, OH, USA : . pp. 139--148.

Doctoral theses, comprehensive summaries

Berg, J. (2008). Wood and fibre mechanics related to the thermomechanical pulping process. Dis. (Comprehensive summary) Sundsvall : Mid Sweden University, 2008 (Mid Sweden University doctoral thesis : 63)  

Licentiate theses, monographs

Berg, J. (1996). Fracture Behaviour of Wood and Fibres as Related to the Mechanical Pulping Process. Lic. , 1996 (Licentiate thesis, Royal Institute of Technology : )