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| ORE7223 | High Temp. Drying in Panel Products Industry | 3+0+0 | ECTS:7.5 | | Year / Semester | Spring Semester | | Level of Course | Third Cycle | | Status | Elective | | Department | DEPARTMENT of FOREST INDUSTRY ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face, Lab work | | Contact Hours | 14 weeks - 3 hours of lectures per week | | Lecturer | Prof. Dr. İsmail AYDIN | | Co-Lecturer | None | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | The course aims to determine the reasons for applying high temperature drying in wood based panels industry, to reveal the effects of high temperature drying on physical and mechanical properties of wood based panels and discussing the important points should be taken into consideration in high temperature drying. |
| Programme Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | PO - 1 : | define the high temperature drying concept for wood based panels industry. | 2,3,4 | 1 | | PO - 2 : | evaluate physical and mechanical properties of wood based panels after high temperature drying | 3,4 | 1 | | PO - 3 : | solve some problems in strength properties caused by drying at high temperatures. | 2,3,4 | 1 | | PO - 4 : | discuss the reasons for applying high temperature drying in wood based panels industry. | 2,3,4 | 1 | | PO - 5 : | take some precautions to eliminate problems in bonding strength and other mechanical properties of wood based panel products. | 2,3,4 | 1 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), PO : Learning Outcome | | |
| High temperature drying concept for wood materials,
Reasons for applying high temperature drying,
Effects of high temperature drying on physical and mechanical properties of panels,
Formation of thermal degradation in high temperature drying,
Drying at high temperatures depending on dryer types,
Wood species sensitive for high temperature drying,
The points should be taken into consideration in high temperature drying
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Drying process and the reasons for drying of wood materials | | | Week 2 | High temperature drying concept, the reasons for high temperature drying / Determining home work subject | | | Week 3 | Occurrence of thermal degradation in high temperature drying | | | Week 4 | Surface inactivation caused by high temperature drying and the reasons for inactivation phenomenon | | | Week 5 | Effects of high temperature drying depending on drier types | | | Week 6 | Sensitive wood species against to high temperature drying | | | Week 7 | Cases to be taken into consideration in high temperature drying | | | Week 8 | Processes that can be made for preventing surface inactivation as results of high temperature drying | | | Week 9 | Mid-term exam | | | Week 10 | Effects of high temperature drying on surface properties of wood | | | Week 11 | Characterization of surface properties of wood materials dried at high temperature | | | Week 12 | Bonding of wood dried at high temperatures | | | Week 13 | Effects of high temperature drying on chemical properties of wood based panel products | | | Week 14 | Effects of high temperature drying on mechanical properties of wood based panel products | | | Week 15 | Effects of high temperature drying on physical properties of wood based panel products | | | Week 16 | End-of-term exam | | | |
| 1 | Lehtinen, M., Syrjänen, T. Koponen, S. 1997; Effect of Drying Temperature on Properties of Veneer, Helsinki University of Technology, Laboratory of Structural Engineering and Building Physics, Finland. | | | 2 | Christiansen, A.W. 1990; How Overdrying Wood Reduces Its Bonding to Phenol Formaldehyde Adhesives: A Critical Review of The Literature, Part I. Physical Responses, Wood and Fiber Science, 22, 4: 441-459. | | | |
| 1 | Christiansen, A.W. 1994; Effect of Overdrying of Yellow-Poplar Veneer on Physical Properties and Bonding, Holz als Roh- und Werkstoff, 52: 139-149. | | | 2 | Sernek, M. 2002; Comparative Analysis of Inactivated Wood Surfaces, Ph.D. Thesis, Faculty of The Virginia Polytechnic Institute and State University, Blacksburg, Virginia. | | | 3 | Forbes, C. 1998; Wood Surface Inactivation and Adhesive Bonding, Wood Product Notes, North Carolina State University, Department of Wood and Paper Science, College of Forest Resources. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | 21.11.2012 | 1 | 50 | | End-of-term exam | 16 | 09.01.2013 | 1 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 3 | 14 | 42 | | Laboratuar çalışması | 1 | 5 | 5 | | Arasınav için hazırlık | 4 | 7 | 28 | | Arasınav | 1 | 1 | 1 | | Uygulama | 0 | 0 | 0 | | Klinik Uygulama | 0 | 0 | 0 | | Ödev | 4 | 10 | 40 | | Proje | 0 | 0 | 0 | | Kısa sınav | 0 | 0 | 0 | | Dönem sonu sınavı için hazırlık | 9 | 6 | 54 | | Dönem sonu sınavı | 1 | 1 | 1 | | Diğer 1 | 0 | 0 | 0 | | Diğer 2 | 0 | 0 | 0 | | Total work load | | | 213 |
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