Fibrous Products (5 cpu / 3.5 ov) 3513057
Kuiturakenteet Petri P. Kärenlampi
Student will gain ability to analyze,
evaluate and develop principal manufacturing processes and product properties,
utilizing high-school level mathematics and physics.
Lectures 24 h, Exercises 46 h,
literature, excursion and examinations 58 h
The student will gain an ability to
analyze, evaluate, and develop principal manufacturing processes and product
properties, utilizing high-school level mathematics and physics.
Essentials: Filtration and
Consolidation. Pulp Manufacturing. Papermaking materials. Relationships between
product structure and properties.
Complementary knowledge: Paper
grades. Demand. Productivity. Anisotropy. Mechanical Properties. Wet pressing
and density effects.
Special knowledge: Kubelka-Munk optics. Color co-ordinates.
Link to lectures on Mondays:
Link to lectures on Wednesdays:
Lectures:
Monday, Wednesday, Room Bor101
5.9. 2022, 8-10 Fiber, Paper and Paperboard Products
7.9., 8-12 Fibrous Structures
Papermaking
Materials
RBA and Fiber Coverage
Filtration
and Consolidation
12.9., 8-10 Pulp Manufacturing
14.9., 8-12 Pulp Beating
19.9., 8-10 The Filtration Problem
21.9., 8-12 The Retention Problem
Forming Anisotropy
26.9., 8-10 Drying
Shrinkage
Wet Pressing and Density Effects
Stiffness
and Strength
28.9., 8-12 Kubelka-Munk Optics
Grading:
Weekly exercises 25%
Exam 75%
Weekly exercises are due each Monday
at 9 am, between September 12 and October 3, to be returned to the grey/green
metallic mailbox by the Northern entrance of the Borealis Building.
Discussion of the last weekly
exercise at October 5, 08-10 at N106.
In addition, there is an
experimental exercise by September 30.
Reporting session by October 7. The experimental exercises are
supervised by Dr. Pekka Tynjälä.
Experimental exercise is predominantly group work and does not affect grading.
Excursion
- Product structure, from the viewpoint of product properties
- Manufacturing processes
- Fiber raw materials, their production processes
- Product development, process development
- Measurements and steering actions on the production line
- Laboratory practices
and equipment
Reporting Session for experimental
Exercises on October 7 at 14-16, Room
Bor100.
Literature:
Saltman, D. and Thompson, L., Pulp and
paper primer. Technical Association of Pulp and Paper Industry (Tappi), 2nd Ed. 1998.
Smook, G. A., Handbook for pulp and paper
technologists. Angus Wilde Publications, 2nd Ed. 1992. Pages 1-19, 36-132,
186-363.
Final Examination October 12, at
14-16, Room F101.
Possibility for eventual renewals October 26, at
12-14, Room Bor 101.
Weekly Exercises:
Some References:
Lecture recordings:
Experimental exercise:
1.
Size effect due to thickness
Size effect on mechanical properties.
2.
Size effect due to in-plane dimensions
Size effect on mechanical properties.
3.
Anisotropy / Drying shrinkage
Fiber orientation & Drying
Shrinkage -> anisotropy in mechanical properties.
Effect on filtration resistance
5.
Blending of Chemical and Mechanical Pulp
Effect on filtration resistance
6.
Groundwood Pulp Manufacturing
Effect of feeding rate
7.
Groundwood Pulp Manufacturing
Effect of peripheral speed