Course code MatZ3012
Credit points 3
Total Hours in Course81
Number of hours for lectures4
Number of hours for seminars and practical classes28
Independent study hours49
Date of course confirmation29.11.2016
Responsible UnitInstitute of Civil Engineering and Wood Processing
Dr. sc. ing.
MatZ3060, Hydrothermical Processing of Wood
MatZP008, Hydrothermical Processing of Wood
MatZ3035 [GMTR3035] Hydrothermical Processing of Wood
Project of the drying department for kiln drying of sawn timber, according to the issued individual task.
Knowledge about wood and different wood products drying theory and technology – discussions at lectures, elaboration and defence of course project.
Skills to define and analyse questions regarding wood drying process, manage wood drying process in wood processing companies and evaluate drying quality - discussions at lectures, elaboration and defence of course project.
Competence to evaluate, analyse and develop wood drying technology in wood processing companies - discussions at lectures, elaboration and defence of course project.
. Introduction lecture about course project genaral requiremnts and principe – 4 h.
2 Determination of the number and productivity of drying kilns – 2h
3 Elaboration of drying schedules – 6h.
4 Heat engineering calculations – 6h.
5 Heat carrier and fuel quantity calculations – 2h.
6 Determination of the amount of drying agent, drying power, calculation of ventilation ducts and hotplate surface – 4h.
7 Aerodynamic calculations – 4h.
8 Constructive elements of the dryer and drying kiln design – 4h.
Assessment of learning outcomes is done by evaluation of course project.
Elaboration of course project of wood drying kiln according individual task and containing following calculations:
• technical calculations of the drying kiln;
• thermal calculations;
• aerodynamic calculations;
• fuel consumption calculations;
• calculation of wood drying costs;
• design drawing project of drying kiln.
Elaborated and defended course project – 100%
1. Bukšāns E., Metodiskie materiāli kursa projekta izstrādei Koksnes hidrotermiskā apstrāde, Jelgava, 2019.- 34 lpp.
2. Bukšāns E., Koksnes hidrotermiskā apstrāde, Lekciju kurss, 2016. – 141 lpp.
3. Kokins L., Staprāns J. Koksnes hidrotermiskā apstrāde un konservēšana - R: Zvaigzne, 1984. - 221 lpp.
1. Miķītis Ē., Upmanis K. Koksnes žāvēšana. - R.: Liesma, 1971. - 288 lpp.
2. Bowyer L., Shmulsky R., Haygreen J.G. Forest Products and Wood Science. An Introduction. 4th edition. Ames; Iowa: Iowa State Press, 2003. 554 p.
3. Handbook of wood chemistry and wood composites. Ed. R.M. Rowell. Boca Raton: Taylor&Francis, 2005. 487 p.
4. Стерлин Д.М. Сушка в производстве фанеры и древесностружечных плит. - Москва: Лесная промышленность, 1977.
5. Janik W. Handbuch der Holztrocknung. - Leipzig: VEB Fachbuchverlag, 1965. - S 221.
6. Справочник по сушке древесины. - Москва: Лесная промышленность, 1990. - 204 стр.
7. Шубин Г.С. Проектирование установок для гидротермической обработки древесины. - Москва: Лесная
промышленность, 1983. - 272 стр.
8. Серговский П.С., Расев А.И. Гидротермическая обработка и консервирование древесины. - Москва: Лесная
промышленность, 1987. - 353 стр.
1. Latvijas kokrūpniecības un meža nozaru mēnešraksts "Lietaskoks".
2. Starptautiskie žurnāli "Baltijas koks" un "Baltic Timber Journal".
3. Koka nozares laikraksts "Holz-Zentralblatt".
4. Žurnāls "Timber Industry Magazine".
The study course is included in the compulsory part of the professional higher education study program Wood Processing realized by Forest Faculty