Quantitative Visualisation of Pulp Refining in a Production Line Refiner, 1999 International Mechanical Pulping Conference Proceedings

Taito Alahautala, Juha Vattulainen & Rolf Hernberg

Tampere University of Technology Physics Department, Plasma Technology Laboratory

In this work pulp flow in a production-line first-stage TMP-refiner operating at 10 MW has been visualised using multipulse stroboscope, endoscope optics, specialised illumination system and a CCD camera. Measurements have been performed at different radial locations and with different refiner operation parameters. The parameters measured from the plate gap were pulp velocity (magnitude and direction), pulp orientation, percentage area covered with pulp and the presence of fibre flocs .

Author: Alahautala, T., Vattulainen, J., Hernberg, R.
Quantitative Visualisation of Pulp Refining in a Production
Quantitative Visualisation of Pulp Refining in a Production Line Refiner, 1999 International Mechanical Pulping Conference Proceedings
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