Prof.
Publications
Reviewed Papers
1. Kärenlampi, P.: Puun lahonkestävyys ja
kosteusdynamiikka. Summary:
The Decay Resistance and Moisture Dynamics of Wood. A Literature Study. Silva
Fenn. 21(2):123-133 (1987).
2. Kärenlampi, P. and Suni, J.: Röjning på skogbevuxna
torvmarker. Summary: Motor-manual treatment of young
stands on peatlands. Suo 41(4-5):97-101 (1990).
3. Kärenlampi, P.: Quality Management in Wood Procurement. Paperi ja Puu - Paper and Timber
72(7):688-691 (1990).
4. Kärenlampi, P.: Wood Moisture
Content in Grinding. Paperi ja Puu - Paper and Timber 74(4):328-336 (1992).
5. Kärenlampi, P.: Spruce Wood Fiber Properties and Mechanical Pulps. Paperi ja Puu - Paper and Timber
74(8):650-664 (1992). (1991 Tappi Pulping Conference, pp. 361-384).
6. Kärenlampi, P.: Spruce Pulpwood Quality Parameters. Paperi ja Puu - Paper and Timber
74(10):807-812 (1992).
7. Kärenlampi, P., Retulainen,
E., and Kolehmainen, H., Properties of Kraft Pulps
from Different
8. Kärenlampi, P.: Effect of Distributions of Fiber Properties on Tensile Strength of Paper: A
Closed-Form Theory. J. Pulp Paper Sci. 21(4):138-134 (1995).
9. Kärenlampi, P.: Tensile Strength of Paper: A Simulation
Study. J. Pulp Paper Sci. 21(6):209-214 (1995).
10. Kärenlampi, P., and Suur-Hamari,
H.: Classified Wood Raw Materials for Diversified Softwood Kraft Pulps. Paperi ja Puu - Paper and Timber
79(6):404-410 (1997). (1995
Tappi Pulping Conference,
11. Kärenlampi, P.: Tensile Strength of a Mixture Two Pulps.
J. Pulp Paper Sci. 21(12):J432-436 (1995).
12. Kärenlampi, P.: The Effect of Fibre Connectivity on
Reinforcing Efficiency. J. Pulp Paper Sci. 22(1):J31-37 (1996).
13. Kärenlampi, P.: Reply to Comment on "The effect of
fibre connectivity on reinforcing efficiency." J. Pulp Paper Sci.
22(11):J410 (1996).
14. Kärenlampi, P.: The Effect of Pulp Fiber
Properties on the Tearing Work of Paper. Tappi
79(4):211-216 (1996).
15. Kärenlampi, P., Suur-Hamari, H.,
Alava, M. and Niskanen, K.: The Effect of Pulp Fiber Properties on In-Plane Tearing Work of Paper. Tappi 79(5):203-210 (1996).
16. Kärenlampi, P., Rantanen, R., Hämäläinen, T. and Suur-Hamari,
H.: Opacity, Smoothness and Toughness of Mechanical Printing Papers: the Effect
of Softwood Kraft Pulp Properties. Tappi
80(4):119-125 (1997). (1996 Papermakers Conference,
17. Niskanen, K., Kärenlampi, P. and
Alava, M.: Stochastic Analysis of Paper Toughness. J. Pulp Paper Sci.
22(10):J392-397 (1996).
18. Sirviö, J. and Kärenlampi, P.:
Distributions and Correlations of Softwood Fiber
Properties Within Age-Classified Pulps. Wood and Fiber Science 29(2):178-188 (1997).
19. Sirviö, J. and Kärenlampi, P.: Parempaa paperia
luokitellusta raaka-aineesta? Folia For. 1/1997:109-113.
20. Yu, Y. and Kärenlampi, P.: On Crack Stability in Paper
Toughness Testing. J. Mater. Sci. 32:6513-6517 (1997).
21. Kärenlampi, P., Cichoracki, T.,
Alava, M., Pylkkö, J. and Paulapuro,
H.: A Comparison of Two Test Methods for Estimating the Fracture Energy of
Paper. Tappi 81(3):154-160 (1998).
22. Sirviö, J. and Kärenlampi, P.:
Pits as Natural Irregularities in Softwood Fibers.
Wood and Fiber Science 30(1):27-39 (1998).
23. Kärenlampi, P.: Mechanical properties of information
papers - the effect of softwood kraft pulp. Tappi 81(11):137-147 (1998). (TAPPI 1997
Papermakers/Engineering Conference,
24. Östlund, S.,
Niskanen, K. and Kärenlampi, P.: On the prediction of
the strength of paper structures with a flaw. J. Pulp Paper Sci. 25(10):356-360
(1999). (1998 Paper Physics Seminar,
26. Sirviö, J. and Kärenlampi, P.:
Two scales of variation in Norway Spruce tracheid properties. Wood and Fiber Science 32(3):311-331 (2000).
27. Kärenlampi, P.: (Comment on "Fracture Energy on Fibre
and Bond Failure".) J. Pulp Paper Sci. 26(2):41 (2000).
28. Sirviö, J. and
Kärenlampi, P.: Fiber property models for Norway
Spruce trees and logs. Paperi ja Puu 83(6):474-481 (2001).
29. Östlund, S. and Kärenlampi, P.: Structural
geometry effect on the size-scaling of strength. Int. J. Fract.
109(2):141-151 (2001).
30. Kärenlampi, P. and Riekkinen,
M.: Maturity and growth rate effects on Scots pine basic density. Wood Sci.
Tech 38(?):??-?? (2004).
31. Kärenlampi, P. and Riekkinen,
M.: Pine heartwood formation as a maturation phenomenon. J. Wood Sci.
48(6):467-472 (2002).
32. Tynjälä, P. and Kärenlampi, P. P.: Cell
wall porosity in spruce wood - variation within annual ring and drying
response. Submitted (10/2002).
33. Kärenlampi, P.: The effect of material disorder on fatigue damage
induced by unidirectional loading.
34. Kärenlampi, P. and Riekkinen,
M.: Prediction of the heartwood content of pine logs. Wood Fiber
Sci. 35(1):83-89 (2003).
35. Kärenlampi, P. P., Tynjälä,
P. and Ström, P.: Mechanical behavior
of steam-treated spruce wood under compressive strain. Submitted (10/2001).
36. Kärenlampi, P. P., Tynjälä,
P. and Ström, P.: Dynamic mechanical behavior of steam-treated wood. Mechanics of Materials 34(6):333-347
(2002).
37. Kärenlampi, P. P.: Viscoplasticity
of steam-treated wood. Mech. Time-Dep. Matls.
9:161-172 (2005).
38. Kärenlampi, P. P., Tynjälä,
P. and Ström, P.: The effect of temperature and
compression on the mechanical behavior of steam-treated
wood. J. Wood Sci. 49(4):298-304 (2003).
39. Kärenlampi, P. P., Tynjälä,
P. and Ström, P. Off-axis fatigue loading of steamed
wood. Int. J. Fatigue 24(12):1235-1242 (2002).
40. Kärenlampi, P. P., Tynjälä,
P. and Ström, P.: Molecular reorganization in wood.
Mechanics of Materials 35(12):1149-1159 (2003).
41. Kärenlampi, P. P., Tynjälä,
P. and Ström, P.: Molecular fatigue in steamed steamed wood. Int. J. Fatigue 25(6):489-497 (2003).
42. Kärenlampi, P. P., Tynjälä, P. and Ström, P.: Phase transformations of wood cell wall water. J. Wood Sci. 51:118-123 (2005).
43. Kärenlampi, P. P., Dilute-Crack Approximations for Damage and Fracture in Disordered Structures. Eur. Phys. J. B 59:385-390 (2007).
44. Borrega, M. and Kärenlampi, P., Mechanical behavior of heat-treated spruce (Picea abies) wood at constant moisture content and ambient humidity. Holz als Roh- und Werkstoff 66:63-69 (2008) (DOI 10.1007/s00107-007-0207-3).
45. Borrega, M. and
Kärenlampi, P. P., Effect
of relative humidity on thermal degradation of Norway spruce (Picea abies) wood. J. Wood Sci.
J. Wood Sci. 54(4):323-328 (2008).
46. Borrega, M. and Kärenlampi, P., Mechanical behavior of heat-treated spruce (Picea abies) wood at constant moisture content and ambient humidity. Holz als Roh- und Werkstoff 66:63-69 (2008).
47. Kärenlampi, P., Symmetry Considerations on the Stiffness and Eigen Deformations of Plant Fibers and Structures Made of Them. Eur. Phys. J. Appl. Phys. 48, 10402 (2009).
48. Borrega, M. and Kärenlampi, P., Three mechanisms affecting the mechanical properties of dried spruce wood. J. Wood Sci. 65:87-94 (2010).
49. Borrega, M. and Kärenlampi, P., Hygroscopicity of heat-treated Norway spruce (Picea abies) wood. European Journal of Wood and Wood Products 68(2):233-235 (2010).
50. Kärenlampi, P. P., The Effect of Logging Compartment Division on Harvesting Pricing. Int. J. For. Eng. 21(2):8-13 (July 2011).
51. Kärenlampi, P. P., Age Distribution of Trees in Stationary Forest System. Journal of Theoretical Biology 270(2011):13-18.
52. Borrega, M. and Kärenlampi, P., Cell wall porosity in Norway spruce wood as affected by high-temperature drying. Wood and Fiber Science 43(2):206-214 (2011).
53. Borrega, M. and Kärenlampi, P., Radial mechanical properties of high-temperature dried Norway spruce (Picea abies) wood. Wood Material Science and Engineering, 6(3):147-154 (2011).
54. Kärenlampi, P. P., Thermal and Moisture Expansion of Material Elements and Macroscopic Bodies with Geometrical Symmetries - Wood Logs and Sawn Goods as Practical Examples. Materials and Structures 45(5):747-764 (2012).
55. Kärenlampi, P. P., Species extinction in finite replicator systems. Biological Journal of the Linnean Society, Volume 106, Issue 3, pages 689–697, July 2012.
56. Kärenlampi, P. P., Symmetry of interactions rules in incompletely connected random replicator ecosystems . Eur. Phys. J. E 37(6):56 (2014).
57. Kärenlampi, P. P., Extremal Dynamics in Random Replicator Ecosystems. Physics Letters A 379(37):2209-2214 (2015).
58. Kärenlampi, P. P., Evolution Models with Extremal Dynamics. Heliyon 2(8), August 2016, e00144.
59. Wu, F. and Kärenlampi, P. P. 2017. Phase Transition in a Growing Network. Journal of Complex Networks 6(5):788-799 (2018).
60. Kärenlampi P. P., Stationary forestry with human interference. Sustainability 2018, 10(10), 3662.
61. Kärenlampi P. P., Spruce forest stands at stationary state. J. For. Res. 30:??-?? (2018).
Proceedings Articles
P1.
Kärenlampi,
P.: Quality Management in Spruce Pulpwood Procurement. IUFRO S3.04.01
Conference, 27-31.January 1992, pp. 57-68.
P2. Kärenlampi,
P.: Nordic Softwood Fibers and Chemical Pulps. 1992 Tappi Pulping Conference,
P3. Kärenlampi, P., Retulainen, E.,
and Kolehmainen, H.: Nordic Softwood Alternatives for
Kraft Pulps. SPP Progress -93, XI International Papermaking Conference,
27.-30.9.1993, Lódz, Poland, 2, 77-93.
P4. Kärenlampi, P., Niskanen, K. and
Alava, M.: The Fracture Toughness of Paper: the Effect of Fiber
Properties and Fiber Bonding. 1995 International
Paper Physics Conference, Niagara-on-the-lake, Ontario, Canada, Sept. 11-14.,
pp, P39-46.
P5. Kärenlampi, P., Cichoracki, T., Pylkkö, J. and Paulapuro, H.: A
Comparison of Paper Toughness Testing Methods: The Effect of Fiber Properties and Furnish Design. 1996 Paper Physics
Seminar, Stockholm, Sweden, 137-139.
P6. Sirviö,
J. and Kärenlampi, P.: Distributions and Correlations of Fiber
Properties. 1996 Paper Physics Seminar, Stockholm, Sweden, 173-175.
P7. Kärenlampi,
P. and Yu, Y.: Fiber Properties and Paper Fracture - Fiber Length and Fiber Strength.
11th Fundamental Research Symposium,
P8. Sirviö,
J. and Kärenlampi, P.: Classification of wood raw material for fiber dimensions. 1998 Tappi
Pulping Conference,
P9. Östlund, S. and Kärenlampi, P.: Scaling law
for the strength of paper structures with a flaw. 1999 Paper Physics
Conference, San Diego, CA, Sept. 26-30, 1999, pp. 179-198.
P10. Sirviö,
J. and Kärenlampi, P.: Three scales of variation in fiber
geometry. 1999 Paper Physics Conference, San Diego, CA, Sept. 26-30, 1999, pp.
199-210.
P11. Sirviö,
J. and Kärenlampi, P.: Variation of spruce fiber
properties between logs and trees. 1999 Tappi Pulping
Conference, Orlando, FL, Oct. 31- Nov. 4., 1999, pp. 857-870.
P12. Kärenlampi,
P.: Fatigue damage induced by compressive loading. First International
Conference of the European Society of Wood Mechanics,
P13. Tynjälä,
P. and Kärenlampi, P.: Spruce cell wall porosity - variation within annual ring
and drying response. First International Conference of the European Society of
Wood Mechanics, Lausanne, Swizerland, April 19-20,
2001, pp. 55-58.
P14. Kärenlampi, P. P., Tynjälä, P. and Ström, P.:
Molecular fatigue in cell walls. 2002 Paper Physics Seminar,
P15. Tynjälä, P., Kärenlampi, P. P. and
Ström, P.: Variation and changes in cell wall
structure, as reflected in phase transformations of cell wall water. Second
International Conference of the European Society of Wood Mechanics,
P16. Kärenlampi, P. P., Tynjälä,
P. and Ström, P.: Wood response to periodic
compressive straining. 4th plant biomechanics conference,
P17. Borrega, M. and Kärenlampi, P., Hygroscopicity of heat-treated wood. Proceedings from Nordic Workshop on Wood Engineering, Skellefteå, February 21, 2007, pp. 4-11.
Other scientific publications
O1. Kärenlampi, P.: Kartiokaatopäällä
varustetun kaivukoneen käytöstä puunkaato- ja kasauskoneena. Metsähallitus, tutkimusselostus
146, 67 s., 1985. (On the use
of an excavator with conical felling head as a feller-buncher, The Finnish Forest
and Park Cervice, Research report 146, 67 p., In
Finnish).
O2. Kärenlampi, P., Lundström, H., Milberg, P., Tamminen, Z., and Thörnqvist, T.:
Vedegenskaper och mikrobiella angrepp i och på
byggnadsvirke. Litteraturstudie.
Byggforskningsrådet, Sweden, Rapport R10:1987. (Wood
properties and microbial activity in and on construction wood. A literature Study. In Swedish).
O3. Kärenlampi, P.: Mekaanisen massan puuraaka-aineen vaikutus
puupitoisten painopaperien ominaisuuksiin. Paperi ja Puu - Paper and Timber 77(8):472-478 (1995).
O4. Kärenlampi, P.: Sulfaattihavusellun puuraaka-aineen
vaikutus puupitoisten painopaperien ominaisuuksiin. Paperi ja Puu - Paper and Timber
77(9):565-570 (1995).
O5. Niskanen, K. and Kärenlampi, P.:
In-plane tensile properties. In
textbook of Pulp and Paper Technology, part 17, "Paper Physics", (ed.
K. Niskanen), Finnish Pulp and Paper Engineers' Association, 1998.
O6. Kärenlampi, P., Suur-Hamari, H.,
Rantanen, R. and Hämäläinen, T.: Havusellun laadun ohjaus raaka-ainetta luokittelemalla.
Management of Softwood
Kraft Pulp Quality by Wood Raw Material Classification.
O7. Sirviö, J. and Kärenlampi, P.: Puukuitujen
ominaisuuksien jakaumia ja korrelaatioita. (Distributions and correlations of fiber properties.)
O8. Kärenlampi,
P.: Strength and Toughness of Paper: the Effect of Pulp Fiber
Properties.
O9. Sirviö, J. and Kärenlampi, P.: Kuusipuun kuituominaisuuksien
vaihtelu. (Variation in spruce wood fiber properties.)
Patents,
patent applications, and patentahle inventions
i1. Kärenlampi, P.: A packaging paper product and
method of producing same. Finnish Patent Application 20000924.
i2. Kärenlampi,
P.: Menetelmä saheiden tuottamiseksi. (Method for the production of sawn goods.) Finnish Patent Application
20001235.
i3. Kärenlampi, P.: Highly productive wood pulp grinding method and apparatus. Finnish Patent Application 20001449.
i4. Kärenlampi, P.: A method for drying wood and wood based products. Finnish Patent Application 20031003.
i5. Kärenlampi, P.: A Method for Dividing a Logging Site to Compartments.. Patentable Invention, January 2009.
i6. Kärenlampi, P.: A Method for Producing and Classifying Sawn Goods. Patentable Invention, October 2009.
i7. Kärenlampi, P.: A Method for Forest Regeneration. Patentable Invention, June 2017.