Theoretical outline of the cause for observed cavitation in a low-consistency refiner

Nordic Pulp and Paper Research Journal

Volumn 23, Issue 3, 2008, Pages 315-320

  Eriksen, Oddbjørn ^a   Holmqvist, Claes ^b   Mohlin, Ulla Britt ^b  

^a Papir og fiberinstituttet AS   (Norway)

^b INNVENTIA AB   (Sweden)

Author keywords

Cavitation; Fibre optic pressure sensor; Low consistency; Refining zone

Indexed keywords

CAVITATION; FIBERS; LIQUIDS; REFINING; SHOCK WAVES;

CAVITATION BUBBLE; COUNTER-FLOWS; FIBRE-OPTIC PRESSURE SENSOR; HIGH FREQUENCY HF; LOW CONSISTENCY; LOW PRESSURES; PRESSURE RISE; REFINING ZONE;

PULP REFINING;

BUBBLES; CAVITATION; FLUID MECHANICS; PRESSURE MEASUREMENT; PULPS; REFINERS; REFINING;

EID: 53949105456     PISSN: 02832631     EISSN: None     Source Type: Journal    
DOI: 10.3183/npprj-2008-23-03-p315-320     Document Type: Article

References (12)

1. Brodeur, P.H. and Gerhardstein, J.P. (1998): Overview of applications of ultrasonics in the pulp and paper industry, IEEE Ultrasonics Symposium, (1):809-815.
2. Ebeling, K. (1981): A critical review of current theories for the refining of chemical pulps, Institute of Paper Chemistry, Appleton, WI, Report 3, 69 p.
3. Eriksen, O., Gregersen, Ø. and Krogstad, P.-Å. (2005): Refining zone pressure in a mill-scale TMP refiner measured by fibre-optic sensors, Nord. Pulp Paper Res. J. 20(4):468-476.
4. Eriksen, O. and Hammar, L.-Å. (2007): Refining mechanisms and development of TMP properties In a low-consistency refiner, Proceedings, International Mechanical Pulping Conference, 7-9 May 2007, Minneapolis, MN, USA, TAPPI Press, Atlanta, GA, USA, 14 p.
5. Eriksen, O., Holmqvist, C., Mohlin, U.-B. and Johansson, O, (2007): Measures of cavitations In a low-consistency refiner by pressure measurements, International Pulp Refining Seminar 2007, Helsinki University of Technology, Reports Series B23, pp. 48-52, ISBN: 978-951-22-8823-6, Espoo, Finland.
6. Erlksen, O., Holmqvist, C. and Mohlin, U.-B. (2008): Fibre floc drainage resistance - a possible cause for substantial pressure peaks in low-consistency refiners, Nord. Pulp Paper Res. J. 23(3): 321 -326.
7. Escalar, X., Egusquiza, E., Farhat, M., Avellan, F. and Cousslrat, M. (2006): Detection of cavitation in hydraulic turbines, Mechanical Systems and Signal Processing, 20:983-1007.
8. Franc, J.-P. and Michel, J.-M. (2004): Fundamentals of cavitation, Kluwer Academic Publisher, Dordrecht, The Netherlands, 289 p., ISBN: 1 -4020-2232-8.
9. Laine, J.E., MacLeod, J.M, Bolker, H.I. and Goring, D.A.I. (1977): Applications of ultrasound In pulp and paper technology, Paperi Puu, 59 (4a):235-247.
10. Leider, RJ. and Rihs, J. (1977): Understanding the disk refiner. The hydraulic behaviour, Tappi, 60 (9):98-102.
11. Page, D.H., Kosky, J. and Booth, D. (1962): Some Initial observations on the action of the beater, BP&BIRA Bulletin 28:15-21.
12. Ponlatowski, S.E. and Walkinshaw, J.W. (2005): Ultrasonic processing of hardwood fiber, Practical Papermaking Conference, 11 p.