Publikationer

Artiklar i tidskrifter Doktorsavhandlingar, sammanläggningar Konferensbidrag Licentiatavhandlingar, sammanläggningar

Artiklar i tidskrifter

Hellström, L. M. , Biller, S. , Edvardsson, S. & Gradin, P. A. (2014). A theoretical and experimental study of the circular sawing process. Holzforschung, vol. 68: 3, ss. 307-312.

Lusth, H. , Gradin, P. A. & Hellström, L. M. (2013). A theoretical model for the prediction of energy consumption during the chipper canter process. Nordic Pulp & Paper Research Journal, vol. 28: 2, ss. 211-215.

Isaksson, P. , Gradin, P. A. & Hellström, L. M. (2013). A numerical and experimental study regarding the influence of some process parameters on the damage state in wood chips. Holzforschung, vol. 67: 6, ss. 691-696.

Lusth, H. , Gradin, P. A. & Hellström, L. M. (2012). The dependency of energy consumption on cutting angles in the canter chipping process. Nordic Pulp & Paper Research Journal, vol. 27: 5, ss. 886-889.

Hellström, L. , Carlberg, T. , Engstrand, P. , Gradin, P. & Gregersen, Ø. (2012). EVALUATION OF COLLIMATED CHIPPING TECHNOLOGY FOR REDUCING ENERGY CONSUMPTION IN MECHANICAL PULPING. J-For: The Journal of Science and Technology for Forest and Processes, vol. 2: 3, ss. 6-9.

Hellström, L. , Gradin, P. , Gulliksson, M. & Carlberg, T. (2011). A laboratory wood chipper for chipping under realistic conditions. Experimental mechanics, vol. 51: 8, ss. 1309-1316.

Hellström, L. , Gradin, P. , Engstrand, P. & Gregersen, Ø. (2011). Properties of wood chips for thermomechanical pulp (TMP) production as a function of spout angle. Holzforschung, vol. 65: 6, ss. 805-809.

Hellström, L. M. , Isaksson, P. , Gradin, P. A. & Eriksson, K. (2009). An Analytical and Numerical Study of some aspects of the Wood Chipping Process. Nordic Pulp & Paper Research Journal, vol. 24: 2, ss. 225-230.

Hellström, L. M. , Gradin, P. A. & Carlberg, T. (2008). A Method for Experimental Investigation of the Wood Chipping Process. Nordic Pulp & Paper Research Journal, vol. 23: 3, ss. 339-342.

Doktorsavhandlingar, sammanläggningar

Hellström, L. (2010). On the wood chipping process : a study on basic mechanisms in order to optimize chip properties for pulping. Diss. (Sammanläggning) Sundsvall : Mittuniversitetet, 2010 (Mid Sweden University doctoral thesis : 83)

Konferensbidrag

Hellström, L. , Carlberg, T. , Engstrand, P. , Gradin, P. & Gregersen, Ø. (2011). Collimated chipping technology in order to reduce the energy consumption in mechanical pulping. I Proceeding for International Mechanical Pulping Conference, Xi'an, P.R. of China.. S. 457--460.

Hellström, L. & Engstrand, P. (2010). The effect on the energy consumption in mechanical pulping of different wood chipping conditions. I Proceedings of 7^th International Seminar of Fundamental Mechanical Pulp Research (IFMPRS 2010).. S. 124--126.

Hellström, L. M. , Gradin, P. A. & Carlberg, T. (2009). A device for studying wood chipping under realistic conditions. I Proceedings - 2009 International Mechanical Pulping Conference, IMPC 2009. (SPCI meddelande). S. 252--254.

Hellström, L. M. , Gradin, P. A. & Carlberg, T. (2008). A Study of Fracture processes in Wood Chipping. I 6th Fundamental Mechanical Pulp Research Seminar. Espoo :

Hellström, L. , Gradin, P. & Carlberg, T. (2007). Strain Distrbution in Wood During Chipping. I International Mechanical Pulping Conference, Minneapolis, May 2007.

Licentiatavhandlingar, sammanläggningar

Hellström, L. (2008). Fracture processes in wood chipping. Lic.-avh. (Sammanläggning) Sundsvall : Mid Sweden University, 2008 (Mid Sweden University licentiate thesis : 32)